# San Lorenzo Reports Final Assay Results from Hole SAL 10-25 with Drilling Ending in Porphyry Style Mineralization at the Arco de Oro Target

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8

Original source: https://money.tmx.com/en/quote/SLG/news/6938381992030060/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending

Publisher: tmx

Original announcement: 2026-06-04T12:00:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: San Lorenzo Gold Corp.

- Ticker: SLG

- Exchange: TSX

- Region: Chile

- Primary commodity: Gold

- Secondary commodities: Copper, Silver

- Document categories: Drill results

- Extracted: 2026-08-24 10:36:32 UTC

Narrative sentiment: 0.70 · Bullish

## Minestarters Atlas summary

San Lorenzo Gold Corp. announced final assay results from hole SAL 10-25 at its Arco de Oro target, part of the Salvadora property in Chile. The drilling confirmed continuous gold-copper mineralization over significant widths, including 102.3m at 1.33 g/t gold and 52.6m at 1.67 g/t gold, extending to the bottom of the 574m hole. These step-out results indicate a large, gold-rich porphyry copper-gold system that remains open at depth, with some deeper intercepts being newly reported.

Reasoning: San Lorenzo Gold reports significant new and continuous gold-copper mineralization from step-out drilling at the Arco de Oro target, confirming a large porphyry system open at depth. While some results were previously reported and true widths are unknown, the overall picture is highly positive for the project's potential.

- Positive factor: long\_intercepts

- Positive factor: moderate\_to\_strong\_gold\_grades

- Positive factor: extends\_mineralization\_at\_depth

- Positive factor: confirms\_porphyry\_style\_mineralization

- Positive factor: step\_out\_drilling\_successful

- Positive factor: mineralization\_open\_at\_depth

- Positive factor: qaqc\_disclosed

- Positive factor: qp\_signed

- Negative factor: apparent\_width\_only

- Negative factor: low\_copper\_grades\_for\_porphyry

- Negative factor: some\_data\_previously\_reported

Facts used in scoring: 162

## Classification and evidence

No classification tags are available.

## Extracted facts

Stored fact records: 162. Some facts used in scoring do not have a stored record.

## Drill Results (162)

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-0)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 0.78
- Grade Unit: g/t
- Intercept: 27.7 m
- From: 84.3 m
- To: 112 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:84.3-112.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical gold intercept shows weak grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Negative factor: weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.78

Context: 27.7

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-1)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.3
- Grade Unit: g/t
- Intercept: 27.7 m
- From: 84.3 m
- To: 112 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:84.3-112.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical silver intercept shows negligible grades, contributing low materiality and novelty to the release.

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.3

Context: 27.7

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-2)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 27.7 m
- From: 84.3 m
- To: 112 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:84.3-112.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical copper intercept shows very weak grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Negative factor: very\_weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.04

Context: 27.7

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-3)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 1.39
- Grade Unit: g/t
- Intercept: 13.8 m
- From: 132 m
- To: 145.8 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:132.0-145.8
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical gold intercept shows moderate grades for a porphyry deposit, contributing moderate materiality but low novelty to the release.

- Positive factor: moderate\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1.39

Context: 13.8

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-4)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.3
- Grade Unit: g/t
- Intercept: 13.8 m
- From: 132 m
- To: 145.8 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:132.0-145.8
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical silver intercept shows negligible grades, contributing low materiality and novelty to the release.

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.3

Context: 13.8

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-5)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 13.8 m
- From: 132 m
- To: 145.8 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:132.0-145.8
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical copper intercept shows very weak grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Negative factor: very\_weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.10

Context: 13.8

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-6)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 1.33
- Grade Unit: g/t
- Intercept: 102.3 m
- From: 152.7 m
- To: 255 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:152.7-255.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical long intercept of moderate gold grade for a porphyry deposit is highly material but has low novelty as it was previously reported.

- Positive factor: long\_intercept

- Positive factor: moderate\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1.33

Context: 102.3

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-7)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.3
- Grade Unit: g/t
- Intercept: 102.3 m
- From: 152.7 m
- To: 255 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:152.7-255.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical silver intercept shows negligible grades, contributing low materiality and novelty to the release.

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.3

Context: 102.3

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-8)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.09
- Grade Unit: %
- Intercept: 102.3 m
- From: 152.7 m
- To: 255 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:152.7-255.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical copper intercept shows very weak grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Negative factor: very\_weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.09

Context: 102.3

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-9)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 2.21
- Grade Unit: g/t
- Intercept: 13.3 m
- From: 152.7 m
- To: 166 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:152.7-166.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical sub-interval shows strong gold grades for a porphyry deposit, contributing moderate materiality but low novelty to the release.

- Positive factor: strong\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 2.21

Context: 13.3

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-10)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.3
- Grade Unit: g/t
- Intercept: 13.3 m
- From: 152.7 m
- To: 166 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:152.7-166.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical silver intercept shows negligible grades, contributing low materiality and novelty to the release.

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.3

Context: 13.3

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-11)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.12
- Grade Unit: %
- Intercept: 13.3 m
- From: 152.7 m
- To: 166 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:152.7-166.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical copper intercept shows very weak grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Negative factor: very\_weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.12

Context: 13.3

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-12)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 1.48
- Grade Unit: g/t
- Intercept: 33.7 m
- From: 184 m
- To: 217.7 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:184.0-217.7
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical sub-interval shows moderate gold grades for a porphyry deposit, contributing moderate materiality but low novelty to the release.

- Positive factor: moderate\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1.48

Context: 33.7

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-13)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.3
- Grade Unit: g/t
- Intercept: 33.7 m
- From: 184 m
- To: 217.7 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:184.0-217.7
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical silver intercept shows negligible grades, contributing low materiality and novelty to the release.

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.3

Context: 33.7

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-14)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.11
- Grade Unit: %
- Intercept: 33.7 m
- From: 184 m
- To: 217.7 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:184.0-217.7
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical copper intercept shows very weak grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Negative factor: very\_weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.11

Context: 33.7

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-15)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 1.24
- Grade Unit: g/t
- Intercept: 30 m
- From: 265 m
- To: 295 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:265.0-295.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical gold intercept shows moderate grades for a porphyry deposit, contributing moderate materiality but low novelty to the release.

- Positive factor: moderate\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1.24

Context: 30.0

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-16)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.4
- Grade Unit: g/t
- Intercept: 30 m
- From: 265 m
- To: 295 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:265.0-295.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical silver intercept shows negligible grades, contributing low materiality and novelty to the release.

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.4

Context: 30.0

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-17)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.09
- Grade Unit: %
- Intercept: 30 m
- From: 265 m
- To: 295 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:265.0-295.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical copper intercept shows very weak grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Negative factor: very\_weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.09

Context: 30.0

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-18)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 1.67
- Grade Unit: g/t
- Intercept: 52.6 m
- From: 310.4 m
- To: 363 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:310.4-363.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This long intercept of moderate gold grade for a porphyry deposit is significant as it extends mineralization at depth and confirms the porphyry style, despite being an apparent width and partially historical.

- Positive factor: long\_intercept

- Positive factor: moderate\_grade\_for\_deposit\_type

- Positive factor: extends\_mineralization\_at\_depth

- Positive factor: confirms\_porphyry\_style\_mineralization

- Negative factor: apparent\_width\_only

- Negative factor: low\_copper\_grades\_for\_porphyry

Evidence · table

> 1.67

Context: 52.6

#### Rejected tags

**Partially Historical Data** — Rejected; excluded from scoring

Polarity: neutral

Story-specific tag

Definition: No canonical definition is currently available.

Reason: The upper portion of this interval \(above 348m\) was previously reported, though the company presents the full interval as part of new deeper intercepts.

Evidence · text

> Note 1 : results for hole SAL 10-25, from surface to a depth of 348 metres, were previously reported by San Lorenzo on May 8, 2026. The results contained in this release that are below 348 metres in depth are newly received.

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-19)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.3
- Grade Unit: g/t
- Intercept: 52.6 m
- From: 310.4 m
- To: 363 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:310.4-363.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This silver intercept shows negligible grades but contributes to the novelty by extending mineralization at depth, despite being an apparent width and partially historical.

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

Evidence · table

> 0.3

Context: 52.6

#### Rejected tags

**Partially Historical Data** — Rejected; excluded from scoring

Polarity: neutral

Story-specific tag

Definition: No canonical definition is currently available.

Reason: The upper portion of this interval \(above 348m\) was previously reported, though the company presents the full interval as part of new deeper intercepts.

Evidence · text

> Note 1 : results for hole SAL 10-25, from surface to a depth of 348 metres, were previously reported by San Lorenzo on May 8, 2026. The results contained in this release that are below 348 metres in depth are newly received.

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-20)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.13
- Grade Unit: %
- Intercept: 52.6 m
- From: 310.4 m
- To: 363 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:310.4-363.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This copper intercept shows very weak grades for a porphyry deposit but contributes to the novelty by extending mineralization at depth, despite being an apparent width and partially historical.

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: very\_weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

Evidence · table

> 0.13

Context: 52.6

#### Rejected tags

**Partially Historical Data** — Rejected; excluded from scoring

Polarity: neutral

Story-specific tag

Definition: No canonical definition is currently available.

Reason: The upper portion of this interval \(above 348m\) was previously reported, though the company presents the full interval as part of new deeper intercepts.

Evidence · text

> Note 1 : results for hole SAL 10-25, from surface to a depth of 348 metres, were previously reported by San Lorenzo on May 8, 2026. The results contained in this release that are below 348 metres in depth are newly received.

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-21)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 2.29
- Grade Unit: g/t
- Intercept: 16 m
- From: 314 m
- To: 330 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:314.0-330.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This sub-interval shows strong gold grades for a porphyry deposit, contributing moderate materiality and high novelty by extending mineralization at depth, despite being an apparent width and partially historical.

- Positive factor: strong\_grade\_for\_deposit\_type

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: apparent\_width\_only

Evidence · table

> 2.29

Context: 16.0

#### Rejected tags

**Partially Historical Data** — Rejected; excluded from scoring

Polarity: neutral

Story-specific tag

Definition: No canonical definition is currently available.

Reason: The upper portion of this interval \(above 348m\) was previously reported, though the company presents the full interval as part of new deeper intercepts.

Evidence · text

> Note 1 : results for hole SAL 10-25, from surface to a depth of 348 metres, were previously reported by San Lorenzo on May 8, 2026. The results contained in this release that are below 348 metres in depth are newly received.

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-22)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.3
- Grade Unit: g/t
- Intercept: 16 m
- From: 314 m
- To: 330 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:314.0-330.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This silver intercept shows negligible grades but contributes to the novelty by extending mineralization at depth, despite being an apparent width and partially historical.

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

Evidence · table

> 0.3

Context: 16.0

#### Rejected tags

**Partially Historical Data** — Rejected; excluded from scoring

Polarity: neutral

Story-specific tag

Definition: No canonical definition is currently available.

Reason: The upper portion of this interval \(above 348m\) was previously reported, though the company presents the full interval as part of new deeper intercepts.

Evidence · text

> Note 1 : results for hole SAL 10-25, from surface to a depth of 348 metres, were previously reported by San Lorenzo on May 8, 2026. The results contained in this release that are below 348 metres in depth are newly received.

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-23)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.15
- Grade Unit: %
- Intercept: 16 m
- From: 314 m
- To: 330 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:314.0-330.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This copper intercept shows weak grades for a porphyry deposit but contributes to the novelty by extending mineralization at depth, despite being an apparent width and partially historical.

- Positive factor: weak\_grade\_for\_deposit\_type

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: apparent\_width\_only

Evidence · table

> 0.15

Context: 16.0

#### Rejected tags

**Partially Historical Data** — Rejected; excluded from scoring

Polarity: neutral

Story-specific tag

Definition: No canonical definition is currently available.

Reason: The upper portion of this interval \(above 348m\) was previously reported, though the company presents the full interval as part of new deeper intercepts.

Evidence · text

> Note 1 : results for hole SAL 10-25, from surface to a depth of 348 metres, were previously reported by San Lorenzo on May 8, 2026. The results contained in this release that are below 348 metres in depth are newly received.

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-24)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 0.74
- Grade Unit: g/t
- Intercept: 10 m
- From: 373 m
- To: 383 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:373.0-383.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This new gold intercept shows weak grades for a porphyry deposit but is notable for extending mineralization at depth, despite being an apparent width.

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

Evidence · table

> 0.74

Context: 10.0

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-25)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.7
- Grade Unit: g/t
- Intercept: 10 m
- From: 373 m
- To: 383 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:373.0-383.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This new silver intercept shows negligible grades but contributes to the novelty by extending mineralization at depth, despite being an apparent width.

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

Evidence · table

> 0.7

Context: 10.0

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-26)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.07
- Grade Unit: %
- Intercept: 10 m
- From: 373 m
- To: 383 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:373.0-383.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This new copper intercept shows very weak grades for a porphyry deposit but contributes to the novelty by extending mineralization at depth, despite being an apparent width.

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: very\_weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

Evidence · table

> 0.07

Context: 10.0

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-27)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 0.91
- Grade Unit: g/t
- Intercept: 48 m
- From: 397 m
- To: 445 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:397.0-445.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This new long intercept of weak gold grade for a porphyry deposit is material for extending mineralization at depth and confirming the porphyry style, despite being an apparent width.

- Positive factor: long\_intercept

- Positive factor: weak\_grade\_for\_deposit\_type

- Positive factor: extends\_mineralization\_at\_depth

- Positive factor: confirms\_porphyry\_style\_mineralization

- Negative factor: apparent\_width\_only

- Negative factor: low\_copper\_grades\_for\_porphyry

Evidence · table

> 0.91

Context: 48.0

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-28)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.8
- Grade Unit: g/t
- Intercept: 48 m
- From: 397 m
- To: 445 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:397.0-445.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This new silver intercept shows negligible grades but contributes to the novelty by extending mineralization at depth, despite being an apparent width.

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

Evidence · table

> 0.8

Context: 48.0

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-29)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.08
- Grade Unit: %
- Intercept: 48 m
- From: 397 m
- To: 445 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:397.0-445.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This new copper intercept shows very weak grades for a porphyry deposit but contributes to the novelty by extending mineralization at depth, despite being an apparent width.

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: very\_weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

Evidence · table

> 0.08

Context: 48.0

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-30)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 0.71
- Grade Unit: g/t
- Intercept: 16 m
- From: 457 m
- To: 473 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:457.0-473.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This new gold intercept shows weak grades for a porphyry deposit but is notable for extending mineralization at depth, despite being an apparent width.

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

Evidence · table

> 0.71

Context: 16.0

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-31)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 1.1
- Grade Unit: g/t
- Intercept: 16 m
- From: 457 m
- To: 473 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:457.0-473.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This new silver intercept shows negligible grades but contributes to the novelty by extending mineralization at depth, despite being an apparent width.

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

Evidence · table

> 1.1

Context: 16.0

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-32)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.07
- Grade Unit: %
- Intercept: 16 m
- From: 457 m
- To: 473 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:457.0-473.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This new copper intercept shows very weak grades for a porphyry deposit but contributes to the novelty by extending mineralization at depth, despite being an apparent width.

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: very\_weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

Evidence · table

> 0.07

Context: 16.0

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-33)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 0.51
- Grade Unit: g/t
- Intercept: 20 m
- From: 483 m
- To: 503 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:483.0-503.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This new gold intercept shows weak grades for a porphyry deposit but is notable for extending mineralization at depth, despite being an apparent width.

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

Evidence · table

> 0.51

Context: 20.0

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-34)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 1.6
- Grade Unit: g/t
- Intercept: 20 m
- From: 483 m
- To: 503 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:483.0-503.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This new silver intercept shows negligible grades but contributes to the novelty by extending mineralization at depth, despite being an apparent width.

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

Evidence · table

> 1.6

Context: 20.0

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-35)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.05
- Grade Unit: %
- Intercept: 20 m
- From: 483 m
- To: 503 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:483.0-503.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This new copper intercept shows very weak grades for a porphyry deposit but contributes to the novelty by extending mineralization at depth, despite being an apparent width.

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: very\_weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

Evidence · table

> 0.05

Context: 20.0

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-36)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 0.81
- Grade Unit: g/t
- Intercept: 65 m
- From: 509 m
- To: 574 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:509.0-574.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This new long intercept of weak gold grade for a porphyry deposit is highly material as it extends mineralization to the bottom of the hole, confirming the porphyry style and indicating it remains open at depth, despite being an apparent width.

- Positive factor: long\_intercept

- Positive factor: weak\_grade\_for\_deposit\_type

- Positive factor: extends\_mineralization\_at\_depth

- Positive factor: confirms\_porphyry\_style\_mineralization

- Positive factor: mineralization\_open\_at\_depth

- Negative factor: apparent\_width\_only

- Negative factor: low\_copper\_grades\_for\_porphyry

Evidence · table

> 0.81

Context: 65.0

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-37)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 2
- Grade Unit: g/t
- Intercept: 65 m
- From: 509 m
- To: 574 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:509.0-574.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This new silver intercept shows negligible grades but contributes to the novelty by extending mineralization at depth, despite being an apparent width.

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

Evidence · table

> 2.0

Context: 65.0

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-38)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.07
- Grade Unit: %
- Intercept: 65 m
- From: 509 m
- To: 574 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:509.0-574.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This new copper intercept shows very weak grades for a porphyry deposit but contributes to the novelty by extending mineralization at depth, despite being an apparent width.

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: very\_weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

Evidence · table

> 0.07

Context: 65.0

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-39)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 1.76
- Grade Unit: g/t
- Intercept: 14.2 m
- From: 541.8 m
- To: 556 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:541.8-556.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This new sub-interval shows moderate gold grades for a porphyry deposit, contributing moderate materiality and high novelty by extending mineralization at depth, despite being an apparent width.

- Positive factor: moderate\_grade\_for\_deposit\_type

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: apparent\_width\_only

Evidence · table

> 1.76

Context: 14.2

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-40)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 7.3
- Grade Unit: g/t
- Intercept: 14.2 m
- From: 541.8 m
- To: 556 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:541.8-556.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This new silver intercept shows negligible grades but contributes to the novelty by extending mineralization at depth, despite being an apparent width.

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

Evidence · table

> 7.3

Context: 14.2

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-41)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.16
- Grade Unit: %
- Intercept: 14.2 m
- From: 541.8 m
- To: 556 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:541.8-556.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This new copper intercept shows weak grades for a porphyry deposit, contributing low materiality and high novelty by extending mineralization at depth, despite being an apparent width.

- Positive factor: weak\_grade\_for\_deposit\_type

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: apparent\_width\_only

Evidence · table

> 0.16

Context: 14.2

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-42)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 1.53
- Grade Unit: g/t
- Intercept: 1.58 m
- From: 310.42 m
- To: 312 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:310.42-312.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows moderate gold grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Positive factor: moderate\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1.53

Context: 1.58

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-43)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.3
- Grade Unit: g/t
- Intercept: 1.58 m
- From: 310.42 m
- To: 312 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:310.42-312.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows negligible silver grades, contributing low materiality and novelty to the release.

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.3

Context: 1.58

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-44)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.1159
- Grade Unit: %
- Intercept: 1.58 m
- From: 310.42 m
- To: 312 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:310.42-312.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows very weak copper grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Negative factor: very\_weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1159

Context: 1.58

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-45)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 1.46
- Grade Unit: g/t
- Intercept: 2 m
- From: 312 m
- To: 314 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:312.0-314.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows moderate gold grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Positive factor: moderate\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1.46

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-46)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.2
- Grade Unit: g/t
- Intercept: 2 m
- From: 312 m
- To: 314 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:312.0-314.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows negligible silver grades, contributing low materiality and novelty to the release.

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.2

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-47)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.1109
- Grade Unit: %
- Intercept: 2 m
- From: 312 m
- To: 314 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:312.0-314.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows very weak copper grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Negative factor: very\_weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1109

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-48)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 1.86
- Grade Unit: g/t
- Intercept: 2 m
- From: 314 m
- To: 316 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:314.0-316.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows moderate gold grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Positive factor: moderate\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1.86

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-49)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.4
- Grade Unit: g/t
- Intercept: 2 m
- From: 314 m
- To: 316 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:314.0-316.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows negligible silver grades, contributing low materiality and novelty to the release.

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.4

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-50)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.1259
- Grade Unit: %
- Intercept: 2 m
- From: 314 m
- To: 316 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:314.0-316.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows very weak copper grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Negative factor: very\_weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1259

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-51)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 2.99
- Grade Unit: g/t
- Intercept: 2 m
- From: 316 m
- To: 318 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:316.0-318.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows strong gold grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Positive factor: strong\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 2.99

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-52)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.2
- Grade Unit: g/t
- Intercept: 2 m
- From: 316 m
- To: 318 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:316.0-318.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows negligible silver grades, contributing low materiality and novelty to the release.

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.2

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-53)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.189
- Grade Unit: %
- Intercept: 2 m
- From: 316 m
- To: 318 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:316.0-318.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows weak copper grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Positive factor: weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1890

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-54)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 3.23
- Grade Unit: g/t
- Intercept: 2 m
- From: 318 m
- To: 320 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:318.0-320.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows strong gold grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Positive factor: strong\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 3.23

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-55)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.3
- Grade Unit: g/t
- Intercept: 2 m
- From: 318 m
- To: 320 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:318.0-320.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows negligible silver grades, contributing low materiality and novelty to the release.

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.3

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-56)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.192
- Grade Unit: %
- Intercept: 2 m
- From: 318 m
- To: 320 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:318.0-320.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows weak copper grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Positive factor: weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1920

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-57)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 3.79
- Grade Unit: g/t
- Intercept: 2 m
- From: 320 m
- To: 322 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:320.0-322.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows strong gold grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Positive factor: strong\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 3.79

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-58)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.6
- Grade Unit: g/t
- Intercept: 2 m
- From: 320 m
- To: 322 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:320.0-322.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows negligible silver grades, contributing low materiality and novelty to the release.

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.6

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-59)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.21
- Grade Unit: %
- Intercept: 2 m
- From: 320 m
- To: 322 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:320.0-322.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows weak copper grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Positive factor: weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 2100

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-60)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 1.38
- Grade Unit: g/t
- Intercept: 2 m
- From: 322 m
- To: 324 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:322.0-324.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows moderate gold grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Positive factor: moderate\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1.38

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-61)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.2
- Grade Unit: g/t
- Intercept: 2 m
- From: 322 m
- To: 324 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:322.0-324.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows negligible silver grades, contributing low materiality and novelty to the release.

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.2

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-62)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.1045
- Grade Unit: %
- Intercept: 2 m
- From: 322 m
- To: 324 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:322.0-324.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows very weak copper grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Negative factor: very\_weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1045

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-63)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 1.65
- Grade Unit: g/t
- Intercept: 2 m
- From: 324 m
- To: 326 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:324.0-326.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows moderate gold grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Positive factor: moderate\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1.65

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-64)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.4
- Grade Unit: g/t
- Intercept: 2 m
- From: 324 m
- To: 326 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:324.0-326.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows negligible silver grades, contributing low materiality and novelty to the release.

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.4

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-65)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.1248
- Grade Unit: %
- Intercept: 2 m
- From: 324 m
- To: 326 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:324.0-326.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows very weak copper grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Negative factor: very\_weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1248

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-66)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 1.66
- Grade Unit: g/t
- Intercept: 2 m
- From: 326 m
- To: 328 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:326.0-328.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows moderate gold grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Positive factor: moderate\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1.66

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-67)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.3
- Grade Unit: g/t
- Intercept: 2 m
- From: 326 m
- To: 328 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:326.0-328.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows negligible silver grades, contributing low materiality and novelty to the release.

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.3

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-68)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.1252
- Grade Unit: %
- Intercept: 2 m
- From: 326 m
- To: 328 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:326.0-328.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows very weak copper grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Negative factor: very\_weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1252

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-69)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 1.74
- Grade Unit: g/t
- Intercept: 2 m
- From: 328 m
- To: 330 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:328.0-330.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows moderate gold grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Positive factor: moderate\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1.74

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-70)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.2
- Grade Unit: g/t
- Intercept: 2 m
- From: 328 m
- To: 330 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:328.0-330.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows negligible silver grades, contributing low materiality and novelty to the release.

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.2

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-71)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.1319
- Grade Unit: %
- Intercept: 2 m
- From: 328 m
- To: 330 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:328.0-330.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows very weak copper grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Negative factor: very\_weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1319

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-72)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 1.23
- Grade Unit: g/t
- Intercept: 2 m
- From: 330 m
- To: 332 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:330.0-332.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows moderate gold grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Positive factor: moderate\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1.23

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-73)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.2
- Grade Unit: g/t
- Intercept: 2 m
- From: 330 m
- To: 332 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:330.0-332.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows negligible silver grades, contributing low materiality and novelty to the release.

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.2

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-74)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.0935
- Grade Unit: %
- Intercept: 2 m
- From: 330 m
- To: 332 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:330.0-332.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows very weak copper grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Negative factor: very\_weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 935

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-75)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 1.47
- Grade Unit: g/t
- Intercept: 2 m
- From: 332 m
- To: 334 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:332.0-334.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows moderate gold grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Positive factor: moderate\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1.47

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-76)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.3
- Grade Unit: g/t
- Intercept: 2 m
- From: 332 m
- To: 334 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:332.0-334.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows negligible silver grades, contributing low materiality and novelty to the release.

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.3

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-77)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.111
- Grade Unit: %
- Intercept: 2 m
- From: 332 m
- To: 334 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:332.0-334.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows very weak copper grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Negative factor: very\_weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1110

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-78)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 1.71
- Grade Unit: g/t
- Intercept: 2 m
- From: 334 m
- To: 336 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:334.0-336.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows moderate gold grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Positive factor: moderate\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1.71

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-79)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.2
- Grade Unit: g/t
- Intercept: 2 m
- From: 334 m
- To: 336 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:334.0-336.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows negligible silver grades, contributing low materiality and novelty to the release.

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.2

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-80)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.1295
- Grade Unit: %
- Intercept: 2 m
- From: 334 m
- To: 336 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:334.0-336.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows very weak copper grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Negative factor: very\_weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1295

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-81)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 1.33
- Grade Unit: g/t
- Intercept: 2 m
- From: 336 m
- To: 338 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:336.0-338.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows moderate gold grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Positive factor: moderate\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1.33

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-82)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.2
- Grade Unit: g/t
- Intercept: 2 m
- From: 336 m
- To: 338 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:336.0-338.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows negligible silver grades, contributing low materiality and novelty to the release.

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.2

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-83)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.1009
- Grade Unit: %
- Intercept: 2 m
- From: 336 m
- To: 338 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:336.0-338.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows very weak copper grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Negative factor: very\_weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1009

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-84)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 1.59
- Grade Unit: g/t
- Intercept: 2 m
- From: 338 m
- To: 340 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:338.0-340.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows moderate gold grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Positive factor: moderate\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1.59

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-85)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.4
- Grade Unit: g/t
- Intercept: 2 m
- From: 338 m
- To: 340 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:338.0-340.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows negligible silver grades, contributing low materiality and novelty to the release.

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.4

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-86)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.1208
- Grade Unit: %
- Intercept: 2 m
- From: 338 m
- To: 340 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:338.0-340.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows very weak copper grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Negative factor: very\_weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1208

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-87)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 2.13
- Grade Unit: g/t
- Intercept: 2 m
- From: 340 m
- To: 342 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:340.0-342.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows strong gold grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Positive factor: strong\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 2.13

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-88)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.3
- Grade Unit: g/t
- Intercept: 2 m
- From: 340 m
- To: 342 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:340.0-342.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows negligible silver grades, contributing low materiality and novelty to the release.

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.3

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-89)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.1525
- Grade Unit: %
- Intercept: 2 m
- From: 340 m
- To: 342 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:340.0-342.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows weak copper grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Positive factor: weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1525

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-90)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 1.99
- Grade Unit: g/t
- Intercept: 2 m
- From: 342 m
- To: 344 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:342.0-344.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows moderate gold grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Positive factor: moderate\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1.99

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-91)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.2
- Grade Unit: g/t
- Intercept: 2 m
- From: 342 m
- To: 344 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:342.0-344.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows negligible silver grades, contributing low materiality and novelty to the release.

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.2

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-92)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.151
- Grade Unit: %
- Intercept: 2 m
- From: 342 m
- To: 344 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:342.0-344.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows weak copper grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Positive factor: weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 1510

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-93)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 2.68
- Grade Unit: g/t
- Intercept: 2 m
- From: 344 m
- To: 346 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:344.0-346.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows strong gold grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Positive factor: strong\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 2.68

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-94)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.5
- Grade Unit: g/t
- Intercept: 2 m
- From: 344 m
- To: 346 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:344.0-346.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows negligible silver grades, contributing low materiality and novelty to the release.

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.5

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-95)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.2029
- Grade Unit: %
- Intercept: 2 m
- From: 344 m
- To: 346 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:344.0-346.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows weak copper grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Positive factor: weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 2029

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-96)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 2.71
- Grade Unit: g/t
- Intercept: 2 m
- From: 346 m
- To: 348 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:346.0-348.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows strong gold grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Positive factor: strong\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 2.71

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-97)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.6
- Grade Unit: g/t
- Intercept: 2 m
- From: 346 m
- To: 348 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:346.0-348.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows negligible silver grades, contributing low materiality and novelty to the release.

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 0.6

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-98)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.2022
- Grade Unit: %
- Intercept: 2 m
- From: 346 m
- To: 348 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:346.0-348.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2026-05-08T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This historical individual assay shows weak copper grades for a porphyry deposit, contributing low materiality and novelty to the release.

- Positive factor: weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

- Negative factor: stale\_data\_re\_release

Evidence · table

> 2022

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-99)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 1.28
- Grade Unit: g/t
- Intercept: 2 m
- From: 348 m
- To: 350 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:348.0-350.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This new individual assay shows moderate gold grades for a porphyry deposit, contributing low materiality and high novelty by extending mineralization at depth, despite being an apparent width.

- Positive factor: moderate\_grade\_for\_deposit\_type

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: apparent\_width\_only

Evidence · table

> 1.28

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-100)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.4
- Grade Unit: g/t
- Intercept: 2 m
- From: 348 m
- To: 350 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:348.0-350.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This new individual assay shows negligible silver grades but contributes to the novelty by extending mineralization at depth, despite being an apparent width.

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

Evidence · table

> 0.4

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-101)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.1164
- Grade Unit: %
- Intercept: 2 m
- From: 348 m
- To: 350 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:348.0-350.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This new individual assay shows very weak copper grades for a porphyry deposit but contributes to the novelty by extending mineralization at depth, despite being an apparent width.

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: very\_weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

Evidence · table

> 1164

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-102)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 1.16
- Grade Unit: g/t
- Intercept: 2 m
- From: 350 m
- To: 352 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:350.0-352.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This new individual assay shows moderate gold grades for a porphyry deposit, contributing low materiality and high novelty by extending mineralization at depth, despite being an apparent width.

- Positive factor: moderate\_grade\_for\_deposit\_type

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: apparent\_width\_only

Evidence · table

> 1.16

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-103)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.4
- Grade Unit: g/t
- Intercept: 2 m
- From: 350 m
- To: 352 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:350.0-352.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This new individual assay shows negligible silver grades but contributes to the novelty by extending mineralization at depth, despite being an apparent width.

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

Evidence · table

> 0.4

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-104)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.1052
- Grade Unit: %
- Intercept: 2 m
- From: 350 m
- To: 352 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:350.0-352.0
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This new individual assay shows very weak copper grades for a porphyry deposit but contributes to the novelty by extending mineralization at depth, despite being an apparent width.

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: very\_weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

Evidence · table

> 1052

Context: 2.00

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-105)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 1.06
- Grade Unit: g/t
- Intercept: 2.55 m
- From: 352 m
- To: 354.55 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:352.0-354.55
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This new individual assay shows moderate gold grades for a porphyry deposit, contributing low materiality and high novelty by extending mineralization at depth, despite being an apparent width.

- Positive factor: moderate\_grade\_for\_deposit\_type

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: apparent\_width\_only

Evidence · table

> 1.06

Context: 2.55

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-106)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.2
- Grade Unit: g/t
- Intercept: 2.55 m
- From: 352 m
- To: 354.55 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:352.0-354.55
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This new individual assay shows negligible silver grades but contributes to the novelty by extending mineralization at depth, despite being an apparent width.

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: negligible\_grade

- Negative factor: apparent\_width\_only

Evidence · table

> 0.2

Context: 2.55

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-107)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.0965
- Grade Unit: %
- Intercept: 2.55 m
- From: 352 m
- To: 354.55 m
- Hole Depth: 574 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: SAL-10-25:352.0-354.55
- Mining Method: open\_pit

#### QA/QC

- Laboratory: ALS Laboratories
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: fire\_assay, aqua\_regia

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: This new individual assay shows very weak copper grades for a porphyry deposit but contributes to the novelty by extending mineralization at depth, despite being an apparent width.

- Positive factor: extends\_mineralization\_at\_depth

- Negative factor: very\_weak\_grade\_for\_deposit\_type

- Negative factor: apparent\_width\_only

Evidence · table

> 965

Context: 2.55

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-108)

Arco de Oro · gold

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 0.78
- Grade Unit: g/t
- Intercept: 27.7 m
- From: 84.3 m
- To: 112 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:84.3-112
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.78 g/t gold is strong against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 21.6 g/t·m is weak \(grade alone is strong; the better of the two is used\).

- Positive factor: 0.78 g/t gold is strong on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.78

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-109)

Arco de Oro · silver

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.3
- Grade Unit: g/t
- Intercept: 27.7 m
- From: 84.3 m
- To: 112 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:84.3-112
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 8.3 g/t·m is below.

- Negative factor: 0.3 g/t silver is below the weak threshold \(30 g/t\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.3

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-110)

Arco de Oro · copper

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.04
- Grade Unit: %
- Intercept: 27.7 m
- From: 84.3 m
- To: 112 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:84.3-112
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.04 % copper is below against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 1.1 %·m is below.

- Negative factor: 0.04 % copper is below the weak threshold \(0.15 %\) on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.04

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-111)

Arco de Oro · gold

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 1.39
- Grade Unit: g/t
- Intercept: 13.8 m
- From: 132 m
- To: 145.8 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:132-145.8
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 1.39 g/t gold is exceptional against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 19.2 g/t·m is weak \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 1.39 g/t gold is exceptional on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.39

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-112)

Arco de Oro · silver

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.3
- Grade Unit: g/t
- Intercept: 13.8 m
- From: 132 m
- To: 145.8 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:132-145.8
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 4.1 g/t·m is below.

- Negative factor: 0.3 g/t silver is below the weak threshold \(30 g/t\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.3

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-113)

Arco de Oro · copper

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.1
- Grade Unit: %
- Intercept: 13.8 m
- From: 132 m
- To: 145.8 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:132-145.8
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % copper is below against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 1.4 %·m is below.

- Negative factor: 0.1 % copper is below the weak threshold \(0.15 %\) on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.10

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-114)

Arco de Oro · gold

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 1.33
- Grade Unit: g/t
- Intercept: 102.3 m
- From: 152.7 m
- To: 255 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:152.7-255
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 1.33 g/t gold is exceptional against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 136.1 g/t·m is strong \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 1.33 g/t gold is exceptional on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.33

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-115)

Arco de Oro · silver

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.3
- Grade Unit: g/t
- Intercept: 102.3 m
- From: 152.7 m
- To: 255 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:152.7-255
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 30.7 g/t·m is below.

- Negative factor: 0.3 g/t silver is below the weak threshold \(30 g/t\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.3

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-116)

Arco de Oro · copper

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.09
- Grade Unit: %
- Intercept: 102.3 m
- From: 152.7 m
- To: 255 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:152.7-255
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.09 % copper is below against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 9.2 %·m is below.

- Negative factor: 0.09 % copper is below the weak threshold \(0.15 %\) on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.09

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-117)

Arco de Oro · gold

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 2.21
- Grade Unit: g/t
- Intercept: 13.3 m
- From: 152.7 m
- To: 166 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:152.7-166
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 2.21 g/t gold is exceptional against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 29.4 g/t·m is weak \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 2.21 g/t gold is exceptional on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 2.21

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-118)

Arco de Oro · silver

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.3
- Grade Unit: g/t
- Intercept: 13.3 m
- From: 152.7 m
- To: 166 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:152.7-166
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 4.0 g/t·m is below.

- Negative factor: 0.3 g/t silver is below the weak threshold \(30 g/t\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.3

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-119)

Arco de Oro · copper

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.12
- Grade Unit: %
- Intercept: 13.3 m
- From: 152.7 m
- To: 166 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:152.7-166
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.12 % copper is below against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 1.6 %·m is below.

- Negative factor: 0.12 % copper is below the weak threshold \(0.15 %\) on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.12

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-120)

Arco de Oro · gold

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 1.48
- Grade Unit: g/t
- Intercept: 33.7 m
- From: 184 m
- To: 217.7 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:184-217.7
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 1.48 g/t gold is exceptional against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 49.9 g/t·m is moderate \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 1.48 g/t gold is exceptional on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.48

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-121)

Arco de Oro · silver

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.3
- Grade Unit: g/t
- Intercept: 33.7 m
- From: 184 m
- To: 217.7 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:184-217.7
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 10.1 g/t·m is below.

- Negative factor: 0.3 g/t silver is below the weak threshold \(30 g/t\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.3

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-122)

Arco de Oro · copper

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.11
- Grade Unit: %
- Intercept: 33.7 m
- From: 184 m
- To: 217.7 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:184-217.7
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.11 % copper is below against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 3.7 %·m is below.

- Negative factor: 0.11 % copper is below the weak threshold \(0.15 %\) on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.11

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-123)

Arco de Oro · gold

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 1.24
- Grade Unit: g/t
- Intercept: 30 m
- From: 265 m
- To: 295 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:265-295
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 1.24 g/t gold is exceptional against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 37.2 g/t·m is moderate \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 1.24 g/t gold is exceptional on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.24

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-124)

Arco de Oro · silver

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.4
- Grade Unit: g/t
- Intercept: 30 m
- From: 265 m
- To: 295 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:265-295
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.4 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 12.0 g/t·m is below.

- Negative factor: 0.4 g/t silver is below the weak threshold \(30 g/t\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.4

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-125)

Arco de Oro · copper

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.09
- Grade Unit: %
- Intercept: 30 m
- From: 265 m
- To: 295 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:265-295
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.09 % copper is below against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 2.7 %·m is below.

- Negative factor: 0.09 % copper is below the weak threshold \(0.15 %\) on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.09

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-126)

Arco de Oro · gold

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 1.67
- Grade Unit: g/t
- Intercept: 52.6 m
- From: 310.4 m
- To: 363 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:310.4-363
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 1.67 g/t gold is exceptional against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 87.8 g/t·m is moderate \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 1.67 g/t gold is exceptional on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.67

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-127)

Arco de Oro · silver

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.3
- Grade Unit: g/t
- Intercept: 52.6 m
- From: 310.4 m
- To: 363 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:310.4-363
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 15.8 g/t·m is below.

- Negative factor: 0.3 g/t silver is below the weak threshold \(30 g/t\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.3

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-128)

Arco de Oro · copper

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.13
- Grade Unit: %
- Intercept: 52.6 m
- From: 310.4 m
- To: 363 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:310.4-363
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.13 % copper is below against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 6.8 %·m is below.

- Negative factor: 0.13 % copper is below the weak threshold \(0.15 %\) on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.13

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-129)

Arco de Oro · gold

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 2.29
- Grade Unit: g/t
- Intercept: 16 m
- From: 314 m
- To: 330 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:314-330
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 2.29 g/t gold is exceptional against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 36.6 g/t·m is moderate \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 2.29 g/t gold is exceptional on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 2.29

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-130)

Arco de Oro · silver

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.3
- Grade Unit: g/t
- Intercept: 16 m
- From: 314 m
- To: 330 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:314-330
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 4.8 g/t·m is below.

- Negative factor: 0.3 g/t silver is below the weak threshold \(30 g/t\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.3

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-131)

Arco de Oro · copper

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.15
- Grade Unit: %
- Intercept: 16 m
- From: 314 m
- To: 330 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:314-330
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.15 % copper is weak against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 2.4 %·m is below \(grade alone is weak; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.15

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-132)

Arco de Oro · gold

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 0.74
- Grade Unit: g/t
- Intercept: 10 m
- From: 373 m
- To: 383 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:373-383
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.74 g/t gold is strong against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 7.4 g/t·m is below \(grade alone is strong; the better of the two is used\).

- Positive factor: 0.74 g/t gold is strong on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.74

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-133)

Arco de Oro · silver

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.7
- Grade Unit: g/t
- Intercept: 10 m
- From: 373 m
- To: 383 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:373-383
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.7 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 7.0 g/t·m is below.

- Negative factor: 0.7 g/t silver is below the weak threshold \(30 g/t\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.7

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-134)

Arco de Oro · copper

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.07
- Grade Unit: %
- Intercept: 10 m
- From: 373 m
- To: 383 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:373-383
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.07 % copper is below against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 0.7 %·m is below.

- Negative factor: 0.07 % copper is below the weak threshold \(0.15 %\) on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.07

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-135)

Arco de Oro · gold

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 0.91
- Grade Unit: g/t
- Intercept: 48 m
- From: 397 m
- To: 445 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:397-445
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.91 g/t gold is strong against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 43.7 g/t·m is moderate \(grade alone is strong; the better of the two is used\).

- Positive factor: 0.91 g/t gold is strong on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.91

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-136)

Arco de Oro · silver

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.8
- Grade Unit: g/t
- Intercept: 48 m
- From: 397 m
- To: 445 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:397-445
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.8 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 38.4 g/t·m is below.

- Negative factor: 0.8 g/t silver is below the weak threshold \(30 g/t\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.8

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-137)

Arco de Oro · copper

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.08
- Grade Unit: %
- Intercept: 48 m
- From: 397 m
- To: 445 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:397-445
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.08 % copper is below against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 3.8 %·m is below.

- Negative factor: 0.08 % copper is below the weak threshold \(0.15 %\) on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.08

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-138)

Arco de Oro · gold

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 0.71
- Grade Unit: g/t
- Intercept: 16 m
- From: 457 m
- To: 473 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:457-473
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.71 g/t gold is strong against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 11.4 g/t·m is weak \(grade alone is strong; the better of the two is used\).

- Positive factor: 0.71 g/t gold is strong on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.71

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-139)

Arco de Oro · silver

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 1.1
- Grade Unit: g/t
- Intercept: 16 m
- From: 457 m
- To: 473 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:457-473
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 1.1 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 17.6 g/t·m is below.

- Negative factor: 1.1 g/t silver is below the weak threshold \(30 g/t\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.1

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-140)

Arco de Oro · copper

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.07
- Grade Unit: %
- Intercept: 16 m
- From: 457 m
- To: 473 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:457-473
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.07 % copper is below against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 1.1 %·m is below.

- Negative factor: 0.07 % copper is below the weak threshold \(0.15 %\) on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.07

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-141)

Arco de Oro · gold

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 0.51
- Grade Unit: g/t
- Intercept: 20 m
- From: 483 m
- To: 503 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:483-503
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.51 g/t gold is strong against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 10.2 g/t·m is weak \(grade alone is strong; the better of the two is used\).

- Positive factor: 0.51 g/t gold is strong on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.51

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-142)

Arco de Oro · silver

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 1.6
- Grade Unit: g/t
- Intercept: 20 m
- From: 483 m
- To: 503 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:483-503
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 1.6 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 32.0 g/t·m is below.

- Negative factor: 1.6 g/t silver is below the weak threshold \(30 g/t\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.6

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-143)

Arco de Oro · copper

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.05
- Grade Unit: %
- Intercept: 20 m
- From: 483 m
- To: 503 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:483-503
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.05 % copper is below against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 1.0 %·m is below.

- Negative factor: 0.05 % copper is below the weak threshold \(0.15 %\) on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.05

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-144)

Arco de Oro · gold

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 0.81
- Grade Unit: g/t
- Intercept: 65 m
- From: 509 m
- To: 574 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:509-574
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.81 g/t gold is strong against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 52.7 g/t·m is moderate \(grade alone is strong; the better of the two is used\).

- Positive factor: 0.81 g/t gold is strong on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.81

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-145)

Arco de Oro · silver

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 2
- Grade Unit: g/t
- Intercept: 65 m
- From: 509 m
- To: 574 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:509-574
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 2 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 130.0 g/t·m is below.

- Negative factor: 2 g/t silver is below the weak threshold \(30 g/t\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 2.0

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-146)

Arco de Oro · copper

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.07
- Grade Unit: %
- Intercept: 65 m
- From: 509 m
- To: 574 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:509-574
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.07 % copper is below against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 4.6 %·m is below.

- Negative factor: 0.07 % copper is below the weak threshold \(0.15 %\) on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.07

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-147)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 1.76
- Grade Unit: g/t
- Intercept: 14.2 m
- From: 541.8 m
- To: 556 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:541.8-556
- Mining Method: open\_pit

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 1.76 g/t gold is exceptional against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 25.0 g/t·m is weak \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 1.76 g/t gold is exceptional on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.76

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-148)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 7.3
- Grade Unit: g/t
- Intercept: 14.2 m
- From: 541.8 m
- To: 556 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:541.8-556
- Mining Method: open\_pit

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 7.3 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 103.7 g/t·m is below.

- Negative factor: 7.3 g/t silver is below the weak threshold \(30 g/t\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 7.3

Context: SAL 10 - 25

### SAL 10 - 25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-149)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL 10 - 25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 0.16
- Grade Unit: %
- Intercept: 14.2 m
- From: 541.8 m
- To: 556 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL 10 - 25:541.8-556
- Mining Method: open\_pit

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.16 % copper is weak against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 2.3 %·m is below \(grade alone is weak; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.16

Context: SAL 10 - 25

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-150)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 0.824
- Grade Unit: g/t
- Intercept: 2.56 m
- From: 354.55 m
- To: 357.11 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL-10-25:354.55-357.11
- Mining Method: open\_pit

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.824 g/t gold is strong against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 2.1 g/t·m is below \(grade alone is strong; the better of the two is used\).

- Positive factor: 0.824 g/t gold is strong on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.824

Context: SAL-10-25

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-151)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.7
- Grade Unit: g/t
- Intercept: 2.56 m
- From: 354.55 m
- To: 357.11 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL-10-25:354.55-357.11
- Mining Method: open\_pit

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.7 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 1.8 g/t·m is below.

- Negative factor: 0.7 g/t silver is below the weak threshold \(30 g/t\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.7

Context: SAL-10-25

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-152)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 749
- Grade Unit: ppm
- Intercept: 2.56 m
- From: 354.55 m
- To: 357.11 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL-10-25:354.55-357.11
- Mining Method: open\_pit

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table: 749 ppm copper, reported in a unit the rubric does not cover \(%\).

- Negative factor: Grade unit ppm does not match the copper rubric unit %; not scored.

Evidence · table

> 749

Context: SAL-10-25

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-153)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 0.913
- Grade Unit: g/t
- Intercept: 1.89 m
- From: 357.11 m
- To: 359 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL-10-25:357.11-359
- Mining Method: open\_pit

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.913 g/t gold is strong against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 1.7 g/t·m is below \(grade alone is strong; the better of the two is used\).

- Positive factor: 0.913 g/t gold is strong on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.913

Context: SAL-10-25

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-154)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.3
- Grade Unit: g/t
- Intercept: 1.89 m
- From: 357.11 m
- To: 359 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL-10-25:357.11-359
- Mining Method: open\_pit

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 0.6 g/t·m is below.

- Negative factor: 0.3 g/t silver is below the weak threshold \(30 g/t\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.3

Context: SAL-10-25

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-155)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 830
- Grade Unit: ppm
- Intercept: 1.89 m
- From: 357.11 m
- To: 359 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL-10-25:357.11-359
- Mining Method: open\_pit

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table: 830 ppm copper, reported in a unit the rubric does not cover \(%\).

- Negative factor: Grade unit ppm does not match the copper rubric unit %; not scored.

Evidence · table

> 830

Context: SAL-10-25

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-156)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 0.205
- Grade Unit: g/t
- Intercept: 2 m
- From: 359 m
- To: 361 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL-10-25:359-361
- Mining Method: open\_pit

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.205 g/t gold is weak against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 0.4 g/t·m is below \(grade alone is weak; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.205

Context: SAL-10-25

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-157)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.3
- Grade Unit: g/t
- Intercept: 2 m
- From: 359 m
- To: 361 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL-10-25:359-361
- Mining Method: open\_pit

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 0.6 g/t·m is below.

- Negative factor: 0.3 g/t silver is below the weak threshold \(30 g/t\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.3

Context: SAL-10-25

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-158)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 184
- Grade Unit: ppm
- Intercept: 2 m
- From: 359 m
- To: 361 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL-10-25:359-361
- Mining Method: open\_pit

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table: 184 ppm copper, reported in a unit the rubric does not cover \(%\).

- Negative factor: Grade unit ppm does not match the copper rubric unit %; not scored.

Evidence · table

> 184

Context: SAL-10-25

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-159)

Arco de Oro · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: gold
- Ticker: SLG

#### Geometry

- Grade: 0.172
- Grade Unit: g/t
- Intercept: 2 m
- From: 361 m
- To: 363 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL-10-25:361-363
- Mining Method: open\_pit

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.172 g/t gold is weak against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 0.3 g/t·m is below \(grade alone is weak; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.172

Context: SAL-10-25

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-160)

Arco de Oro · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: silver
- Ticker: SLG

#### Geometry

- Grade: 0.4
- Grade Unit: g/t
- Intercept: 2 m
- From: 361 m
- To: 363 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL-10-25:361-363
- Mining Method: open\_pit

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2010-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.4 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 0.8 g/t·m is below.

- Negative factor: 0.4 g/t silver is below the weak threshold \(30 g/t\) on the default band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.4

Context: SAL-10-25

### SAL-10-25

[Link to this fact](https://atlas-staging.minestarters.com/news/san-lorenzo-reports-final-assay-results-from-hole-sal-10-25-with-drilling-ending--829a4766-bb3f-48d8-be70-2ddb271503a8#fact-drill-facts-161)

Arco de Oro · copper

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: SAL-10-25
- Project: Arco de Oro
- Commodity: copper
- Ticker: SLG

#### Geometry

- Grade: 156
- Grade Unit: ppm
- Intercept: 2 m
- From: 361 m
- To: 363 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: SAL-10-25:361-363
- Mining Method: open\_pit

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes

#### Dates

- Event date: 2026-06-04T00:00:00.000Z

Reasoning: Expanded from assay table: 156 ppm copper, reported in a unit the rubric does not cover \(%\).

- Negative factor: Grade unit ppm does not match the copper rubric unit %; not scored.

Evidence · table

> 156

Context: SAL-10-25

## How Atlas produces this analysis

Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.
