# GT1: GT1 Strengthens Board with Ontario Permitting Expertise

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/gt1-gt1-strengthens-board-with-ontario-permitting-expertise--dc2ca262-ebc9-4bf7-9f4d-dd176c6d2cf0

Original source: https://www.asx.com.au/asx/v2/statistics/displayAnnouncement.do?display=pdf&idsId=03151569

Publisher: asx

Original announcement: 2026-10-12T22:29:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: 2026-10-12T23:25:26.760Z

Atlas analysis updated: 2026-10-12T23:25:26.760Z

- Company: Green Technology Metals Limited

- Ticker: GT1

- Exchange: ASX

- Region: Ontario, Canada

- Primary commodity: Lithium

- Secondary commodities: Rubidium, Tantalum

- Document categories: Other, Resource update

- Extracted: 2026-10-12 23:25:27 UTC

Narrative sentiment: 0.60 · Bullish

## Minestarters Atlas summary

Green Technology Metals has appointed Ruben Wallin, a specialist in Canadian environmental permitting and sustainability, to its Board of Directors. This appointment is intended to support the development and permitting processes for the Seymour Lithium Project in Ontario.

Reasoning: The appointment of a director with specific Ontario permitting expertise is a strategic de-risking move for the Seymour project's development phase.

- Positive factor: Strengthens board with permitting and environmental expertise

- Positive factor: Directly relevant to Seymour project development priorities

- Positive factor: Provides Canadian project development experience

Facts used in scoring: 14

## Classification and evidence

**Resource Update**

Polarity: neutral

Definition: Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: The document contains a summary table of the current Mineral Resource estimate.

Evidence · text

> current global Mineral Resource estimate of 30.4Mt at 1.17% Li2O

## Extracted facts

Stored fact records: 14. Some facts used in scoring do not have a stored record.

## Resource Estimates (14)

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/gt1-gt1-strengthens-board-with-ontario-permitting-expertise--dc2ca262-ebc9-4bf7-9f4d-dd176c6d2cf0#fact-resource-facts-0)

Root Bay Open pit · lithium

Historical result

Needs review: historical\_restatement

#### Identity

- Project: Root Bay Open pit
- Commodity: lithium
- Region: canada\_on
- Reported Region: Ontario, Canada
- Ticker: GT1

#### Resource scope

- Estimate type: resource
- Resource group id: resource:7b7dfbc8c92b7ad6f02a

#### Resource Data

- Category: indicated
- Tonnes: 5800000
- Grade: 1.28
- Grade Unit: % Li2O

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2023-10-18T00:00:00.000Z

#### Dates

- Event date: 2026-10-12T00:00:00.000Z

Reasoning: Historical indicated resource for Root Bay Open pit.

Evidence · table

> 5.8

Context: 5.8

#### Tags used in scoring

**Indicated Resource**

Polarity: positive

Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

**No Contained Metal**

Polarity: negative

Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained\_metal was not reported

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.0 years before this release

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/gt1-gt1-strengthens-board-with-ontario-permitting-expertise--dc2ca262-ebc9-4bf7-9f4d-dd176c6d2cf0#fact-resource-facts-1)

Root Bay Open pit · lithium

Historical result

Needs review: historical\_restatement

#### Identity

- Project: Root Bay Open pit
- Commodity: lithium
- Region: canada\_on
- Reported Region: Ontario, Canada
- Ticker: GT1

#### Resource scope

- Estimate type: resource
- Resource group id: resource:864de29e80acac8768d8

#### Resource Data

- Category: inferred
- Tonnes: 100000
- Grade: 0.73
- Grade Unit: % Li2O

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2023-10-18T00:00:00.000Z

#### Dates

- Event date: 2026-10-12T00:00:00.000Z

Reasoning: Historical inferred resource for Root Bay Open pit.

Evidence · table

> 0.1

Context: 0.1

#### Tags used in scoring

**Inferred Resource**

Polarity: negative

Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

**No Contained Metal**

Polarity: negative

Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained\_metal was not reported

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.0 years before this release

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/gt1-gt1-strengthens-board-with-ontario-permitting-expertise--dc2ca262-ebc9-4bf7-9f4d-dd176c6d2cf0#fact-resource-facts-2)

Root Bay Underground · lithium

Historical result

Needs review: historical\_restatement

#### Identity

- Project: Root Bay Underground
- Commodity: lithium
- Region: canada\_on
- Reported Region: Ontario, Canada
- Ticker: GT1

#### Resource scope

- Estimate type: resource
- Resource group id: resource:62f4762066cceb0b0124

#### Resource Data

- Category: indicated
- Tonnes: 4200000
- Grade: 1.37
- Grade Unit: % Li2O

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2023-10-18T00:00:00.000Z

#### Dates

- Event date: 2026-10-12T00:00:00.000Z

Reasoning: Historical indicated resource for Root Bay Underground.

Evidence · table

> 4.2

Context: 4.2

#### Tags used in scoring

**Indicated Resource**

Polarity: positive

Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

**No Contained Metal**

Polarity: negative

Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained\_metal was not reported

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.0 years before this release

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/gt1-gt1-strengthens-board-with-ontario-permitting-expertise--dc2ca262-ebc9-4bf7-9f4d-dd176c6d2cf0#fact-resource-facts-3)

Root Bay Underground · lithium

Historical result

Needs review: historical\_restatement

#### Identity

- Project: Root Bay Underground
- Commodity: lithium
- Region: canada\_on
- Reported Region: Ontario, Canada
- Ticker: GT1

#### Resource scope

- Estimate type: resource
- Resource group id: resource:5d7f4d9e590761133081

#### Resource Data

- Category: inferred
- Tonnes: 5500000
- Grade: 1.24
- Grade Unit: % Li2O

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2023-10-18T00:00:00.000Z

#### Dates

- Event date: 2026-10-12T00:00:00.000Z

Reasoning: Historical inferred resource for Root Bay Underground.

Evidence · table

> 5.5

Context: 5.5

#### Tags used in scoring

**Inferred Resource**

Polarity: negative

Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

**No Contained Metal**

Polarity: negative

Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained\_metal was not reported

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.0 years before this release

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/gt1-gt1-strengthens-board-with-ontario-permitting-expertise--dc2ca262-ebc9-4bf7-9f4d-dd176c6d2cf0#fact-resource-facts-4)

McCombe · lithium

Historical result

Needs review: historical\_restatement

#### Identity

- Project: McCombe
- Commodity: lithium
- Region: canada\_on
- Reported Region: Ontario, Canada
- Ticker: GT1

#### Resource scope

- Estimate type: resource
- Resource group id: resource:39e6457ae07aebd03a18

#### Resource Data

- Category: inferred
- Tonnes: 4500000
- Grade: 1.01
- Grade Unit: % Li2O

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2023-10-18T00:00:00.000Z

#### Dates

- Event date: 2026-10-12T00:00:00.000Z

Reasoning: Historical inferred resource for McCombe.

Evidence · table

> 4.5

Context: 4.5

#### Tags used in scoring

**Inferred Resource**

Polarity: negative

Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

**No Contained Metal**

Polarity: negative

Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained\_metal was not reported

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.0 years before this release

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/gt1-gt1-strengthens-board-with-ontario-permitting-expertise--dc2ca262-ebc9-4bf7-9f4d-dd176c6d2cf0#fact-resource-facts-5)

North Aubry · lithium

Historical result

Needs review: historical\_restatement

#### Identity

- Project: North Aubry
- Commodity: lithium
- Region: canada\_on
- Reported Region: Ontario, Canada
- Ticker: GT1

#### Resource scope

- Estimate type: resource
- Resource group id: resource:4a1e8e1243bfbb75e733

#### Resource Data

- Category: indicated
- Tonnes: 6100000
- Grade: 1.25
- Grade Unit: % Li2O

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2023-11-21T00:00:00.000Z

#### Dates

- Event date: 2026-10-12T00:00:00.000Z

Reasoning: Historical indicated resource for North Aubry.

Evidence · table

> 6.1

Context: 6.1

#### Tags used in scoring

**Indicated Resource**

Polarity: positive

Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

**No Contained Metal**

Polarity: negative

Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained\_metal was not reported

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.9 years before this release

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/gt1-gt1-strengthens-board-with-ontario-permitting-expertise--dc2ca262-ebc9-4bf7-9f4d-dd176c6d2cf0#fact-resource-facts-6)

North Aubry · tantalum

Historical result

Needs review: historical\_restatement

#### Identity

- Project: North Aubry
- Commodity: tantalum
- Region: canada\_on
- Reported Region: Ontario, Canada
- Ticker: GT1

#### Resource scope

- Estimate type: resource
- Resource group id: resource:4a1e8e1243bfbb75e733

#### Resource Data

- Category: indicated
- Tonnes: 6100000
- Grade: 149
- Grade Unit: ppm Ta2O5

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2023-11-21T00:00:00.000Z

#### Dates

- Event date: 2026-10-12T00:00:00.000Z

Reasoning: Historical tantalum grade for North Aubry.

Evidence · table

> 149

Context: 6.1

#### Tags used in scoring

**Indicated Resource**

Polarity: positive

Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

**No Contained Metal**

Polarity: negative

Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained\_metal was not reported

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.9 years before this release

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/gt1-gt1-strengthens-board-with-ontario-permitting-expertise--dc2ca262-ebc9-4bf7-9f4d-dd176c6d2cf0#fact-resource-facts-7)

North Aubry · rubidium

Historical result

Needs review: historical\_restatement

#### Identity

- Project: North Aubry
- Commodity: rubidium
- Region: canada\_on
- Reported Region: Ontario, Canada
- Ticker: GT1

#### Resource scope

- Estimate type: resource
- Resource group id: resource:4a1e8e1243bfbb75e733

#### Resource Data

- Category: indicated
- Tonnes: 6100000
- Grade: 0.28
- Grade Unit: % Rb2O

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2023-11-21T00:00:00.000Z

#### Dates

- Event date: 2026-10-12T00:00:00.000Z

Reasoning: Historical rubidium grade for North Aubry.

Evidence · table

> 0.28

Context: 6.1

#### Tags used in scoring

**Indicated Resource**

Polarity: positive

Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

**No Contained Metal**

Polarity: negative

Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained\_metal was not reported

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.9 years before this release

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/gt1-gt1-strengthens-board-with-ontario-permitting-expertise--dc2ca262-ebc9-4bf7-9f4d-dd176c6d2cf0#fact-resource-facts-8)

North Aubry · lithium

Historical result

Needs review: historical\_restatement

#### Identity

- Project: North Aubry
- Commodity: lithium
- Region: canada\_on
- Reported Region: Ontario, Canada
- Ticker: GT1

#### Resource scope

- Estimate type: resource
- Resource group id: resource:c95720be4299a62d42ef

#### Resource Data

- Category: inferred
- Tonnes: 2100000
- Grade: 0.8
- Grade Unit: % Li2O

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2023-11-21T00:00:00.000Z

#### Dates

- Event date: 2026-10-12T00:00:00.000Z

Reasoning: Historical inferred resource for North Aubry.

Evidence · table

> 2.1

Context: 2.1

#### Tags used in scoring

**Inferred Resource**

Polarity: negative

Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

**No Contained Metal**

Polarity: negative

Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained\_metal was not reported

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.9 years before this release

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/gt1-gt1-strengthens-board-with-ontario-permitting-expertise--dc2ca262-ebc9-4bf7-9f4d-dd176c6d2cf0#fact-resource-facts-9)

North Aubry · tantalum

Historical result

Needs review: historical\_restatement

#### Identity

- Project: North Aubry
- Commodity: tantalum
- Region: canada\_on
- Reported Region: Ontario, Canada
- Ticker: GT1

#### Resource scope

- Estimate type: resource
- Resource group id: resource:c95720be4299a62d42ef

#### Resource Data

- Category: inferred
- Tonnes: 2100000
- Grade: 108
- Grade Unit: ppm Ta2O5

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2023-11-21T00:00:00.000Z

#### Dates

- Event date: 2026-10-12T00:00:00.000Z

Reasoning: Historical tantalum grade for North Aubry.

Evidence · table

> 108

Context: 2.1

#### Tags used in scoring

**Inferred Resource**

Polarity: negative

Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

**No Contained Metal**

Polarity: negative

Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained\_metal was not reported

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.9 years before this release

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/gt1-gt1-strengthens-board-with-ontario-permitting-expertise--dc2ca262-ebc9-4bf7-9f4d-dd176c6d2cf0#fact-resource-facts-10)

North Aubry · rubidium

Historical result

Needs review: historical\_restatement

#### Identity

- Project: North Aubry
- Commodity: rubidium
- Region: canada\_on
- Reported Region: Ontario, Canada
- Ticker: GT1

#### Resource scope

- Estimate type: resource
- Resource group id: resource:c95720be4299a62d42ef

#### Resource Data

- Category: inferred
- Tonnes: 2100000
- Grade: 0.25
- Grade Unit: % Rb2O

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2023-11-21T00:00:00.000Z

#### Dates

- Event date: 2026-10-12T00:00:00.000Z

Reasoning: Historical inferred resource for North Aubry.

Evidence · table

> 0.25

Context: 2.1

#### Tags used in scoring

**Inferred Resource**

Polarity: negative

Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

**No Contained Metal**

Polarity: negative

Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained\_metal was not reported

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.9 years before this release

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/gt1-gt1-strengthens-board-with-ontario-permitting-expertise--dc2ca262-ebc9-4bf7-9f4d-dd176c6d2cf0#fact-resource-facts-11)

South Aubry · lithium

Historical result

Needs review: historical\_restatement

#### Identity

- Project: South Aubry
- Commodity: lithium
- Region: canada\_on
- Reported Region: Ontario, Canada
- Ticker: GT1

#### Resource scope

- Estimate type: resource
- Resource group id: resource:15e1245122708cd837e2

#### Resource Data

- Category: inferred
- Tonnes: 2000000
- Grade: 0.6
- Grade Unit: % Li2O

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2023-11-21T00:00:00.000Z

#### Dates

- Event date: 2026-10-12T00:00:00.000Z

Reasoning: Historical inferred resource for South Aubry.

Evidence · table

> 2.0

Context: 2.0

#### Tags used in scoring

**Inferred Resource**

Polarity: negative

Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

**No Contained Metal**

Polarity: negative

Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained\_metal was not reported

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.9 years before this release

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/gt1-gt1-strengthens-board-with-ontario-permitting-expertise--dc2ca262-ebc9-4bf7-9f4d-dd176c6d2cf0#fact-resource-facts-12)

South Aubry · tantalum

Historical result

Needs review: historical\_restatement

#### Identity

- Project: South Aubry
- Commodity: tantalum
- Region: canada\_on
- Reported Region: Ontario, Canada
- Ticker: GT1

#### Resource scope

- Estimate type: resource
- Resource group id: resource:15e1245122708cd837e2

#### Resource Data

- Category: inferred
- Tonnes: 2000000
- Grade: 91
- Grade Unit: ppm Ta2O5

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2023-11-21T00:00:00.000Z

#### Dates

- Event date: 2026-10-12T00:00:00.000Z

Reasoning: Historical tantalum grade for South Aubry.

Evidence · table

> 91

Context: 2.0

#### Tags used in scoring

**Inferred Resource**

Polarity: negative

Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

**No Contained Metal**

Polarity: negative

Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained\_metal was not reported

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.9 years before this release

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/gt1-gt1-strengthens-board-with-ontario-permitting-expertise--dc2ca262-ebc9-4bf7-9f4d-dd176c6d2cf0#fact-resource-facts-13)

South Aubry · rubidium

Historical result

Needs review: historical\_restatement

#### Identity

- Project: South Aubry
- Commodity: rubidium
- Region: canada\_on
- Reported Region: Ontario, Canada
- Ticker: GT1

#### Resource scope

- Estimate type: resource
- Resource group id: resource:15e1245122708cd837e2

#### Resource Data

- Category: inferred
- Tonnes: 2000000
- Grade: 0
- Grade Unit: % Rb2O

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2023-11-21T00:00:00.000Z

#### Dates

- Event date: 2026-10-12T00:00:00.000Z

Reasoning: Historical rubidium grade for South Aubry.

Evidence · table

No evidence quote provided.

Context: 2.0

#### Tags used in scoring

**Inferred Resource**

Polarity: negative

Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

**No Contained Metal**

Polarity: negative

Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained\_metal was not reported

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.9 years before this release

## 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.
