# Imperial Reports Mount Polley Permit Issuance, Mount Polley Production Update for 2026 Second Quarter, and Huckleberry Mine Exploration Results

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52

Original source: https://www.globenewswire.com/news-release/2026/07/21/3331013/0/en/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for-2026-second-quarter-and-huckleberry-mine-exploration-results.html

Publisher: globenewswire

Original announcement: 2026-07-21T00:00:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: Imperial Metals Corporation

- Ticker: III

- Exchange: Unavailable

- Region: British Columbia

- Primary commodity: Copper

- Secondary commodities: Gold, Molybdenum, Silver

- Document categories: Production, Drill results, Permitting

- Extracted: 2026-08-20 21:07:02 UTC

Narrative sentiment: 0.30 · Bullish

## Minestarters Atlas summary

Imperial Metals Corporation has received a key permit for the Mount Polley Tailings Dam expansion, securing storage capacity until 2034. The Mount Polley mine reported a significant decrease in Q2 2026 copper and gold production compared to the previous year, attributed to processing lower-grade stockpiles, but the company is implementing measures to improve grades. Additionally, exploration drilling at the Huckleberry Mine revealed multiple long intercepts of copper, molybdenum, silver, and gold mineralization, which will be used to update the mine model and optimize future plans.

Reasoning: The company secured a critical permit for its Mount Polley mine, ensuring operational continuity. While Mount Polley's Q2 production declined due to lower-grade feed, the company has outlined initiatives to improve grades. Concurrently, exploration drilling at Huckleberry yielded promising long intercepts of polymetallic mineralization, indicating potential resource expansion, though true widths are not yet confirmed.

- Positive factor: Permit issuance for Mount Polley tailings dam expansion ensures continued operations.

- Positive factor: Huckleberry drill results show long intervals of copper-molybdenum-gold-silver mineralization, extending the Main zone and defining new targets.

- Negative factor: Mount Polley Q2 2026 production significantly decreased year-over-year due to processing lower-grade stockpiles.

- Negative factor: Huckleberry drill results are reported as apparent widths only, with true widths not confirmed.

Low confidence — this extraction should be reviewed alongside the original source.

Facts used in scoring: 100

## Classification and evidence

**Permit Issued**

Polarity: positive

Story-specific tag

Definition: No canonical definition is currently available.

Why it applies: The British Columbia Environmental Assessment Office \(EAO\) recommended approval, and ministers granted consent, leading to the issuance of permits for Mount Polley Tailings Dam construction.

Evidence · text

> Minister Brar \(Mining and Critical Minerals\) and Minister Davidson \(Environment and Parks\) have granted consent, and the corresponding permits were issued.

**Tailings Facility Expansion**

Polarity: neutral

Story-specific tag

Definition: No canonical definition is currently available.

Why it applies: The permit is specifically for 'Mount Polley Tailings Dam construction to the 987 metre elevation from the previously permitted 974 metre elevation', indicating an expansion of the tailings facility.

Evidence · text

> Mount Polley Tailings Dam construction to the 987 metre elevation from the previously permitted 974 metre elevation.

**Production Update**

Polarity: neutral

Story-specific tag

Definition: No canonical definition is currently available.

Why it applies: The document provides 'Mount Polley Production Update for 2026 Second Quarter', detailing ore milled, grades, recoveries, and contained metal.

Evidence · text

> Mount Polley Production Update for 2026 Second Quarter

**Grade Decline**

Polarity: negative

Story-specific tag

Definition: Average grade dropped >5% vs prior estimate — deposit economics worsening. May indicate high-grading in early drilling.

Why it applies: Copper grade decreased from 0.295% in 2025 to 0.152% in 2026, and gold grade decreased from 0.286 g/t to 0.199 g/t.

Evidence · table

> 0.152

Context: Grade % - copper

**Recovery Stagnant**

Polarity: negative

Story-specific tag

Definition: No improvement across multiple test programs on comparable material.

Why it applies: Copper recovery decreased from 83.0% in 2025 to 60.0% in 2026, and gold recovery decreased from 68.4% to 63.6%.

Evidence · table

> 60.0

Context: Recovery % - copper

**Tonnage Decline**

Polarity: negative

Story-specific tag

Definition: Resource tonnage decreased vs prior estimate — pit optimization removed marginal material or geological model revised down.

Why it applies: Ore milled decreased from 1,759,093 tonnes in 2025 to 1,683,357 tonnes in 2026.

Evidence · table

> 1,683,357

Context: Ore milled - tonnes

**Contained Metal Decline**

Polarity: negative

Story-specific tag

Definition: Contained metal decreased vs prior despite tonnage growth — grade dilution exceeds volume gain.

Why it applies: Contained copper decreased from 9.496 million pounds in 2025 to 3.382 million pounds in 2026, and contained gold decreased from 11,061 ounces to 6,848 ounces.

Evidence · table

> 3.382

Context: Copper - million pounds

**Exploration Drilling**

Polarity: neutral

Story-specific tag

Definition: No canonical definition is currently available.

Why it applies: The Huckleberry section is titled 'Huckleberry Mine Exploration Results' and describes a 'diamond drilling program' designed to 'test an extension' and 'test below a molybdenum trend'.

Evidence · text

> Huckleberry Mine Exploration Results

**Step-Out Extension**

Polarity: positive

Definition: Mineralization extended beyond the previously known limit.

Why it applies: The drilling program was designed 'to test an extension of the Main zone to the southwest'.

Evidence · text

> to test an extension of the Main zone to the southwest

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: The release states that Jim Miller-Tait, P.Geo., is the Qualified Person, samples were analyzed at Activation Laboratories Ltd., and a full QA/QC program using blanks, standards and duplicates was completed.

Evidence · text

> Jim Miller-Tait, P.Geo., Imperial’s Vice President Exploration, has reviewed this news release as the designated Qualified Person as defined by National Instrument 43-101 \(“NI 43-101”\) for the Huckleberry exploration program. The Huckleberry samples reported were analyzed at Activation Laboratories Ltd. located in Kamloops. A full QA/QC program using blanks, standards and duplicates was completed for all diamond drilling samples submitted to the lab.

**Apparent Width Only**

Polarity: negative

Definition: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: The release explicitly states: 'Significant assay intervals reported represent apparent widths. Insufficient geological information is available to confirm the geological model and true width of significant assay intervals.'

Evidence · text

> Significant assay intervals reported represent apparent widths. Insufficient geological information is available to confirm the geological model and true width of significant assay intervals.

**Long Intercepts**

Polarity: positive

Story-specific tag

Definition: No canonical definition is currently available.

Why it applies: Several drill holes reported intercept lengths well over 100 meters, such as 135.0 m, 231.5 m, 232.5 m, 175.0 m, 182.5 m, and 240.0 m.

Evidence · table

> 135.0

Context: MZ-26-01A

## Extracted facts

Stored fact records: 36. Some facts used in scoring do not have a stored record.

## Drill Results (36)

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-64)

Huckleberry · copper

#### Identity

- Hole ID: including
- Project: Huckleberry
- Commodity: copper
- Ticker: III

#### Geometry

- Grade: 0.51
- Grade Unit: %
- Intercept: 85 m
- From: 87.5 m
- To: 172.5 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:87.5-172.5
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table. 0.51 % copper is strong against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 43.4 %·m is weak \(grade alone is strong; the better of the two is used\).

- Positive factor: 0.51 % copper 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: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-65)

Huckleberry · molybdenum

#### Identity

- Hole ID: including
- Project: Huckleberry
- Commodity: molybdenum
- Ticker: III

#### Geometry

- Grade: 0.007
- Grade Unit: %
- Intercept: 85 m
- From: 87.5 m
- To: 172.5 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:87.5-172.5
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table: 0.007 % molybdenum. No grade band defined for this commodity, so the score is a placeholder.

- Negative factor: No grade rubric for molybdenum; intercept not scored.

Evidence · table

> 0.007

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-66)

Huckleberry · silver

#### Identity

- Hole ID: including
- Project: Huckleberry
- Commodity: silver
- Ticker: III

#### Geometry

- Grade: 1.93
- Grade Unit: g/t
- Intercept: 85 m
- From: 87.5 m
- To: 172.5 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:87.5-172.5
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table. 1.93 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 164.0 g/t·m is below.

- Negative factor: 1.93 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

> 1.93

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-67)

Huckleberry · gold

#### Identity

- Hole ID: including
- Project: Huckleberry
- Commodity: gold
- Ticker: III

#### Geometry

- Grade: 0.1
- Grade Unit: g/t
- Intercept: 85 m
- From: 87.5 m
- To: 172.5 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:87.5-172.5
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 g/t gold is below against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 8.5 g/t·m is below.

- Negative factor: 0.1 g/t gold is below the weak threshold \(0.15 g/t\) on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.10

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-68)

Huckleberry · copper

#### Identity

- Hole ID: including
- Project: Huckleberry
- Commodity: copper
- Ticker: III

#### Geometry

- Grade: 0.31
- Grade Unit: %
- Intercept: 170.4 m
- From: 86 m
- To: 256.4 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:86-256.4
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table. 0.31 % copper is moderate against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 52.8 %·m is weak \(grade alone is moderate; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.31

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-69)

Huckleberry · molybdenum

#### Identity

- Hole ID: including
- Project: Huckleberry
- Commodity: molybdenum
- Ticker: III

#### Geometry

- Grade: 0.013
- Grade Unit: %
- Intercept: 170.4 m
- From: 86 m
- To: 256.4 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:86-256.4
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table: 0.013 % molybdenum. No grade band defined for this commodity, so the score is a placeholder.

- Negative factor: No grade rubric for molybdenum; intercept not scored.

Evidence · table

> 0.013

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-70)

Huckleberry · silver

#### Identity

- Hole ID: including
- Project: Huckleberry
- Commodity: silver
- Ticker: III

#### Geometry

- Grade: 2.63
- Grade Unit: g/t
- Intercept: 170.4 m
- From: 86 m
- To: 256.4 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:86-256.4
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table. 2.63 g/t silver is weak against the default band \[500, 200, 100, 30\] g/t. Grade×width 448.2 g/t·m is weak \(grade alone is below; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 2.63

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-71)

Huckleberry · gold

#### Identity

- Hole ID: including
- Project: Huckleberry
- Commodity: gold
- Ticker: III

#### Geometry

- Grade: 0.07
- Grade Unit: g/t
- Intercept: 170.4 m
- From: 86 m
- To: 256.4 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:86-256.4
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table. 0.07 g/t gold is weak against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 11.9 g/t·m is weak \(grade alone is below; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.07

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-72)

Huckleberry · copper

#### Identity

- Hole ID: including
- Project: Huckleberry
- Commodity: copper
- Ticker: III

#### Geometry

- Grade: 0.56
- Grade Unit: %
- Intercept: 41.4 m
- From: 215 m
- To: 256.4 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:215-256.4
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table. 0.56 % copper is strong against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 23.2 %·m is weak \(grade alone is strong; the better of the two is used\).

- Positive factor: 0.56 % copper is strong on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.56

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-73)

Huckleberry · molybdenum

#### Identity

- Hole ID: including
- Project: Huckleberry
- Commodity: molybdenum
- Ticker: III

#### Geometry

- Grade: 0.017
- Grade Unit: %
- Intercept: 41.4 m
- From: 215 m
- To: 256.4 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:215-256.4
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table: 0.017 % molybdenum. No grade band defined for this commodity, so the score is a placeholder.

- Negative factor: No grade rubric for molybdenum; intercept not scored.

Evidence · table

> 0.017

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-74)

Huckleberry · silver

#### Identity

- Hole ID: including
- Project: Huckleberry
- Commodity: silver
- Ticker: III

#### Geometry

- Grade: 2.08
- Grade Unit: g/t
- Intercept: 41.4 m
- From: 215 m
- To: 256.4 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:215-256.4
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table. 2.08 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 86.1 g/t·m is below.

- Negative factor: 2.08 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

> 2.08

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-75)

Huckleberry · gold

#### Identity

- Hole ID: including
- Project: Huckleberry
- Commodity: gold
- Ticker: III

#### Geometry

- Grade: 0.13
- Grade Unit: g/t
- Intercept: 41.4 m
- From: 215 m
- To: 256.4 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:215-256.4
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table. 0.13 g/t gold is below against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 5.4 g/t·m is below.

- Negative factor: 0.13 g/t gold is below the weak threshold \(0.15 g/t\) on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.13

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-76)

Huckleberry · copper

#### Identity

- Hole ID: including
- Project: Huckleberry
- Commodity: copper
- Ticker: III

#### Geometry

- Grade: 0.34
- Grade Unit: %
- Intercept: 65 m
- From: 85 m
- To: 150 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:85-150
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table. 0.34 % copper is moderate against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 22.1 %·m is weak \(grade alone is moderate; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.34

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-77)

Huckleberry · molybdenum

#### Identity

- Hole ID: including
- Project: Huckleberry
- Commodity: molybdenum
- Ticker: III

#### Geometry

- Grade: 0.009
- Grade Unit: %
- Intercept: 65 m
- From: 85 m
- To: 150 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:85-150
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table: 0.009 % molybdenum. No grade band defined for this commodity, so the score is a placeholder.

- Negative factor: No grade rubric for molybdenum; intercept not scored.

Evidence · table

> 0.009

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-78)

Huckleberry · silver

#### Identity

- Hole ID: including
- Project: Huckleberry
- Commodity: silver
- Ticker: III

#### Geometry

- Grade: 1.74
- Grade Unit: g/t
- Intercept: 65 m
- From: 85 m
- To: 150 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:85-150
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table. 1.74 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 113.1 g/t·m is below.

- Negative factor: 1.74 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

> 1.74

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-79)

Huckleberry · gold

#### Identity

- Hole ID: including
- Project: Huckleberry
- Commodity: gold
- Ticker: III

#### Geometry

- Grade: 0.05
- Grade Unit: g/t
- Intercept: 65 m
- From: 85 m
- To: 150 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:85-150
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table. 0.05 g/t gold is below against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 3.3 g/t·m is below.

- Negative factor: 0.05 g/t gold is below the weak threshold \(0.15 g/t\) on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.05

Context: including

### and

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-80)

Huckleberry · copper

#### Identity

- Hole ID: and
- Project: Huckleberry
- Commodity: copper
- Ticker: III

#### Geometry

- Grade: 0.38
- Grade Unit: %
- Intercept: 175 m
- From: 157.5 m
- To: 332.5 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and:157.5-332.5
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table. 0.38 % copper is moderate against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 66.5 %·m is moderate.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.38

Context: and

### and

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-81)

Huckleberry · molybdenum

#### Identity

- Hole ID: and
- Project: Huckleberry
- Commodity: molybdenum
- Ticker: III

#### Geometry

- Grade: 0.011
- Grade Unit: %
- Intercept: 175 m
- From: 157.5 m
- To: 332.5 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and:157.5-332.5
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table: 0.011 % molybdenum. No grade band defined for this commodity, so the score is a placeholder.

- Negative factor: No grade rubric for molybdenum; intercept not scored.

Evidence · table

> 0.011

Context: and

### and

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-82)

Huckleberry · silver

#### Identity

- Hole ID: and
- Project: Huckleberry
- Commodity: silver
- Ticker: III

#### Geometry

- Grade: 1.47
- Grade Unit: g/t
- Intercept: 175 m
- From: 157.5 m
- To: 332.5 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and:157.5-332.5
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table. 1.47 g/t silver is weak against the default band \[500, 200, 100, 30\] g/t. Grade×width 257.3 g/t·m is weak \(grade alone is below; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.47

Context: and

### and

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-83)

Huckleberry · gold

#### Identity

- Hole ID: and
- Project: Huckleberry
- Commodity: gold
- Ticker: III

#### Geometry

- Grade: 0.06
- Grade Unit: g/t
- Intercept: 175 m
- From: 157.5 m
- To: 332.5 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and:157.5-332.5
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table. 0.06 g/t gold is weak against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 10.5 g/t·m is weak \(grade alone is below; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.06

Context: and

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-84)

Huckleberry · copper

#### Identity

- Hole ID: including
- Project: Huckleberry
- Commodity: copper
- Ticker: III

#### Geometry

- Grade: 0.45
- Grade Unit: %
- Intercept: 140 m
- From: 157.5 m
- To: 297.5 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:157.5-297.5
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table. 0.45 % copper is strong against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 63.0 %·m is moderate \(grade alone is strong; the better of the two is used\).

- Positive factor: 0.45 % copper is strong on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.45

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-85)

Huckleberry · molybdenum

#### Identity

- Hole ID: including
- Project: Huckleberry
- Commodity: molybdenum
- Ticker: III

#### Geometry

- Grade: 0.013
- Grade Unit: %
- Intercept: 140 m
- From: 157.5 m
- To: 297.5 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:157.5-297.5
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table: 0.013 % molybdenum. No grade band defined for this commodity, so the score is a placeholder.

- Negative factor: No grade rubric for molybdenum; intercept not scored.

Evidence · table

> 0.013

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-86)

Huckleberry · silver

#### Identity

- Hole ID: including
- Project: Huckleberry
- Commodity: silver
- Ticker: III

#### Geometry

- Grade: 1.72
- Grade Unit: g/t
- Intercept: 140 m
- From: 157.5 m
- To: 297.5 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:157.5-297.5
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table. 1.72 g/t silver is weak against the default band \[500, 200, 100, 30\] g/t. Grade×width 240.8 g/t·m is weak \(grade alone is below; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.72

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-87)

Huckleberry · gold

#### Identity

- Hole ID: including
- Project: Huckleberry
- Commodity: gold
- Ticker: III

#### Geometry

- Grade: 0.07
- Grade Unit: g/t
- Intercept: 140 m
- From: 157.5 m
- To: 297.5 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:157.5-297.5
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table. 0.07 g/t gold is below against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 9.8 g/t·m is below.

- Negative factor: 0.07 g/t gold is below the weak threshold \(0.15 g/t\) on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.07

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-88)

Huckleberry · copper

#### Identity

- Hole ID: including
- Project: Huckleberry
- Commodity: copper
- Ticker: III

#### Geometry

- Grade: 0.5
- Grade Unit: %
- Intercept: 107.5 m
- From: 165 m
- To: 272.5 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:165-272.5
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table. 0.5 % copper is strong against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 53.8 %·m is weak \(grade alone is strong; the better of the two is used\).

- Positive factor: 0.5 % copper is strong on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.50

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-89)

Huckleberry · molybdenum

#### Identity

- Hole ID: including
- Project: Huckleberry
- Commodity: molybdenum
- Ticker: III

#### Geometry

- Grade: 0.013
- Grade Unit: %
- Intercept: 107.5 m
- From: 165 m
- To: 272.5 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:165-272.5
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table: 0.013 % molybdenum. No grade band defined for this commodity, so the score is a placeholder.

- Negative factor: No grade rubric for molybdenum; intercept not scored.

Evidence · table

> 0.013

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-90)

Huckleberry · silver

#### Identity

- Hole ID: including
- Project: Huckleberry
- Commodity: silver
- Ticker: III

#### Geometry

- Grade: 1.95
- Grade Unit: g/t
- Intercept: 107.5 m
- From: 165 m
- To: 272.5 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:165-272.5
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table. 1.95 g/t silver is weak against the default band \[500, 200, 100, 30\] g/t. Grade×width 209.6 g/t·m is weak \(grade alone is below; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 1.95

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-91)

Huckleberry · gold

#### Identity

- Hole ID: including
- Project: Huckleberry
- Commodity: gold
- Ticker: III

#### Geometry

- Grade: 0.07
- Grade Unit: g/t
- Intercept: 107.5 m
- From: 165 m
- To: 272.5 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:165-272.5
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table. 0.07 g/t gold is below against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 7.5 g/t·m is below.

- Negative factor: 0.07 g/t gold is below the weak threshold \(0.15 g/t\) on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.07

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-92)

Huckleberry · copper

#### Identity

- Hole ID: including
- Project: Huckleberry
- Commodity: copper
- Ticker: III

#### Geometry

- Grade: 0.42
- Grade Unit: %
- Intercept: 55 m
- From: 142.5 m
- To: 197.5 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:142.5-197.5
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table. 0.42 % copper is strong against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 23.1 %·m is weak \(grade alone is strong; the better of the two is used\).

- Positive factor: 0.42 % copper is strong on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.42

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-93)

Huckleberry · molybdenum

#### Identity

- Hole ID: including
- Project: Huckleberry
- Commodity: molybdenum
- Ticker: III

#### Geometry

- Grade: 0.009
- Grade Unit: %
- Intercept: 55 m
- From: 142.5 m
- To: 197.5 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:142.5-197.5
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table: 0.009 % molybdenum. No grade band defined for this commodity, so the score is a placeholder.

- Negative factor: No grade rubric for molybdenum; intercept not scored.

Evidence · table

> 0.009

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-94)

Huckleberry · silver

#### Identity

- Hole ID: including
- Project: Huckleberry
- Commodity: silver
- Ticker: III

#### Geometry

- Grade: 1.65
- Grade Unit: g/t
- Intercept: 55 m
- From: 142.5 m
- To: 197.5 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:142.5-197.5
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table. 1.65 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 90.8 g/t·m is below.

- Negative factor: 1.65 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

> 1.65

Context: including

### including

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-95)

Huckleberry · gold

#### Identity

- Hole ID: including
- Project: Huckleberry
- Commodity: gold
- Ticker: III

#### Geometry

- Grade: 0.09
- Grade Unit: g/t
- Intercept: 55 m
- From: 142.5 m
- To: 197.5 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: including:142.5-197.5
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table. 0.09 g/t gold is below against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 5.0 g/t·m is below.

- Negative factor: 0.09 g/t gold is below the weak threshold \(0.15 g/t\) on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.09

Context: including

### and

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-96)

Huckleberry · copper

#### Identity

- Hole ID: and
- Project: Huckleberry
- Commodity: copper
- Ticker: III

#### Geometry

- Grade: 0.29
- Grade Unit: %
- Intercept: 42.5 m
- From: 257.5 m
- To: 300 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and:257.5-300
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table. 0.29 % copper is moderate against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 12.3 %·m is below \(grade alone is moderate; the better of the two is used\).

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.29

Context: and

### and

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-97)

Huckleberry · molybdenum

#### Identity

- Hole ID: and
- Project: Huckleberry
- Commodity: molybdenum
- Ticker: III

#### Geometry

- Grade: 0.058
- Grade Unit: %
- Intercept: 42.5 m
- From: 257.5 m
- To: 300 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and:257.5-300
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table: 0.058 % molybdenum. No grade band defined for this commodity, so the score is a placeholder.

- Negative factor: No grade rubric for molybdenum; intercept not scored.

Evidence · table

> 0.058

Context: and

### and

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-98)

Huckleberry · silver

#### Identity

- Hole ID: and
- Project: Huckleberry
- Commodity: silver
- Ticker: III

#### Geometry

- Grade: 0.59
- Grade Unit: g/t
- Intercept: 42.5 m
- From: 257.5 m
- To: 300 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and:257.5-300
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table. 0.59 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 25.1 g/t·m is below.

- Negative factor: 0.59 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

> 0.59

Context: and

### and

[Link to this fact](https://atlas-staging.minestarters.com/news/imperial-reports-mount-polley-permit-issuance-mount-polley-production-update-for--17181d10-7bae-47f8-8d76-53027ecdbe52#fact-drill-facts-99)

Huckleberry · gold

#### Identity

- Hole ID: and
- Project: Huckleberry
- Commodity: gold
- Ticker: III

#### Geometry

- Grade: 0.14
- Grade Unit: g/t
- Intercept: 42.5 m
- From: 257.5 m
- To: 300 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and:257.5-300
- Mining Method: open\_pit

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-07-21T00:00:00.000Z

Reasoning: Expanded from assay table. 0.14 g/t gold is below against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 6.0 g/t·m is below.

- Negative factor: 0.14 g/t gold is below the weak threshold \(0.15 g/t\) on the porphyry deposit band.

- Negative factor: Scored from rubric bands during table expansion, not from document context.

Evidence · table

> 0.14

Context: and

## 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.