# TDG Continues Expanding Aurora West and Identifies New Porphyry Target

Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a

Original source: https://money.tmx.com/en/quote/TDG/news/8638361589006669/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target

Publisher: tmx

Original announcement: 2026-02-04T12:00:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: TDG Gold Corp.

- Ticker: TDG

- Exchange: TSX

- Region: British Columbia

- Primary commodity: Gold

- Secondary commodities: Copper, Silver

- Document categories: Drill results, Resource update

- Extracted: 2026-09-13 02:50:44 UTC

Narrative sentiment: 0.80 · Bullish

## Minestarters Atlas summary

TDG Gold Corp. announced drill results from its 2025 exploration program at the Aurora West Zone, part of the Greater Shasta–Newberry Project in British Columbia. Step-out drill hole TDG25-020 significantly expanded mineralization, intersecting 1.02 g/t gold and 0.43% copper over 14.0 meters within a broader 86.3-meter interval. The company also identified a new porphyry-style target 600 meters north of the Aurora Complex, further supporting the district-scale potential of the project.

Reasoning: TDG Gold Corp. reported strong drill results that significantly extended mineralization at the Aurora West Zone and identified a new porphyry target, indicating substantial growth potential for the project within a district-scale system.

- Positive factor: Significant step-out drilling extended mineralization at Aurora West by 350m down-dip.

- Positive factor: High-grade gold and copper intercepts were reported, consistent with porphyry mineralization.

- Positive factor: A new porphyry-style target was identified 600m north of the Aurora Complex, expanding exploration potential.

- Positive factor: The Aurora West Zone strike length has been expanded to approximately 1,000m.

- Positive factor: QA/QC protocols were disclosed, including certified labs and QP sign-off.

- Negative factor: True width of drill intercepts is unknown.

- Negative factor: Some drill holes returned low-grade or trace mineralization.

- Negative factor: Diluted gold and copper grades were noted in TDG25-020 due to interpreted late mafic dykes.

- Negative factor: Assay results are preliminary, with the full set for the 2025 program not yet received.

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

Facts used in scoring: 48

## Classification and evidence

No classification tags are available.

## Extracted facts

Stored fact records: 48. Some facts used in scoring do not have a stored record.

## Drill Results (46)

### TDG25-020

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-0)

Aurora West Zone · gold

#### Identity

- Hole ID: TDG25-020
- Project: Aurora West Zone
- Commodity: gold
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 1.02
- Grade Unit: g/t
- Intercept: 14 m
- From: 806 m
- To: 820 m
- Hole Depth: 869 m
- Intercept Depth: 736.5 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: TDG25-020:806-820
- Mining Method: open\_pit

#### Location

- Location: West Zone
- Easting: 622100
- Northing: 6348685
- CRS: UTM Z9N NAD83
- Elevation: 1251 m
- Azimuth: 140 °
- Dip: -70 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Cutoff Grade: 0.3
- Cutoff Unit: g/t

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: A high-grade gold sub-interval within the significant step-out hole TDG25-020, indicating strong mineralization.

- Positive factor: Strong gold grade for a porphyry system.

- Positive factor: Significant intercept within a key step-out hole.

- Negative factor: True width is unknown.

Evidence · table

> 1.02

Context: 14.0

#### Tags used in scoring

**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: qaqc\_disclosed is true

### TDG25-020

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-1)

Aurora West Zone · copper

#### Identity

- Hole ID: TDG25-020
- Project: Aurora West Zone
- Commodity: copper
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.43
- Grade Unit: %
- Intercept: 14 m
- From: 806 m
- To: 820 m
- Hole Depth: 869 m
- Intercept Depth: 736.5 m

#### Classification

- Deposit Type: porphyry
- Program: exploration
- Sample Type: drill
- Group ID: TDG25-020:806-820
- Mining Method: open\_pit

#### Location

- Location: West Zone
- Easting: 622100
- Northing: 6348685
- CRS: UTM Z9N NAD83
- Elevation: 1251 m
- Azimuth: 140 °
- Dip: -70 °
- Loc. Confidence: high
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Cutoff Grade: 0.1
- Cutoff Unit: %

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: A high-grade copper sub-interval within the significant step-out hole TDG25-020, indicating strong mineralization.

- Positive factor: Strong copper grade for a porphyry system.

- Positive factor: Significant intercept within a key step-out hole.

- Negative factor: True width is unknown.

Evidence · table

> 0.43

Context: 14.0

#### Tags used in scoring

**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: qaqc\_disclosed is true

### TDG25-012

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-4)

Aurora West Zone · gold

#### Identity

- Hole ID: TDG25-012
- Project: Aurora West Zone
- Commodity: gold
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 1.1
- Grade Unit: g/t
- Intercept: 115 m
- From: 554 m
- To: 669 m
- Intercept Depth: 554 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: TDG25-012:554-669
- Mining Method: open\_pit

#### Location

- Location: West Zone
- CRS: UTM Z9N NAD83
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 1.1 g/t gold is exceptional against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 126.5 g/t·m is strong \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 1.1 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

> 1.10

Context: TDG25-012

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### TDG25-012

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-5)

Aurora West Zone · copper

#### Identity

- Hole ID: TDG25-012
- Project: Aurora West Zone
- Commodity: copper
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.38
- Grade Unit: %
- Intercept: 115 m
- From: 554 m
- To: 669 m
- Intercept Depth: 554 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: TDG25-012:554-669
- Mining Method: open\_pit

#### Location

- Location: West Zone
- CRS: UTM Z9N NAD83
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

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 43.7 %·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

> 0.38

Context: TDG25-012

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-6)

Aurora West Zone · gold

#### Identity

- Hole ID: incl.
- Project: Aurora West Zone
- Commodity: gold
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.57
- Grade Unit: g/t
- Intercept: 15 m
- From: 556 m
- To: 571 m
- Intercept Depth: 556 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:556-571
- Mining Method: open\_pit

#### Location

- CRS: UTM Z9N NAD83

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.57 g/t gold is strong against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 8.5 g/t·m is below \(grade alone is strong; the better of the two is used\).

- Positive factor: 0.57 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

> 0.57

Context: incl.

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-7)

Aurora West Zone · copper

#### Identity

- Hole ID: incl.
- Project: Aurora West Zone
- Commodity: copper
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.2
- Grade Unit: %
- Intercept: 15 m
- From: 556 m
- To: 571 m
- Intercept Depth: 556 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:556-571
- Mining Method: open\_pit

#### Location

- CRS: UTM Z9N NAD83

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % copper is weak against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 3.0 %·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

> 0.20

Context: incl.

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### and incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-8)

Aurora West Zone · gold

#### Identity

- Hole ID: and incl.
- Project: Aurora West Zone
- Commodity: gold
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 1.3
- Grade Unit: g/t
- Intercept: 88 m
- From: 581 m
- To: 669 m
- Intercept Depth: 581 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and incl.:581-669
- Mining Method: open\_pit

#### Location

- CRS: UTM Z9N NAD83

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 1.3 g/t gold is exceptional against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 114.4 g/t·m is strong \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 1.3 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

> 1.30

Context: and incl.

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### and incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-9)

Aurora West Zone · copper

#### Identity

- Hole ID: and incl.
- Project: Aurora West Zone
- Commodity: copper
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.43
- Grade Unit: %
- Intercept: 88 m
- From: 581 m
- To: 669 m
- Intercept Depth: 581 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and incl.:581-669
- Mining Method: open\_pit

#### Location

- CRS: UTM Z9N NAD83

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.43 % copper is strong against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 37.8 %·m is weak \(grade alone is strong; the better of the two is used\).

- Positive factor: 0.43 % copper is strong on the porphyry deposit band.

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

Evidence · table

> 0.43

Context: and incl.

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### TDG25-015

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-10)

Aurora West Zone · gold

#### Identity

- Hole ID: TDG25-015
- Project: Aurora West Zone
- Commodity: gold
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.46
- Grade Unit: g/t
- Intercept: 183.1 m
- From: 501.9 m
- To: 685 m
- Intercept Depth: 501.9 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: TDG25-015:501.9-685
- Mining Method: open\_pit

#### Location

- Location: West Zone
- CRS: UTM Z9N NAD83
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.46 g/t gold is moderate against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 84.2 g/t·m is moderate.

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

Evidence · table

> 0.46

Context: TDG25-015

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### TDG25-015

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-11)

Aurora West Zone · copper

#### Identity

- Hole ID: TDG25-015
- Project: Aurora West Zone
- Commodity: copper
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.19
- Grade Unit: %
- Intercept: 183.1 m
- From: 501.9 m
- To: 685 m
- Intercept Depth: 501.9 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: TDG25-015:501.9-685
- Mining Method: open\_pit

#### Location

- Location: West Zone
- CRS: UTM Z9N NAD83
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.19 % copper is weak against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 34.8 %·m is weak.

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

Evidence · table

> 0.19

Context: TDG25-015

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-12)

Aurora West Zone · gold

#### Identity

- Hole ID: incl.
- Project: Aurora West Zone
- Commodity: gold
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.79
- Grade Unit: g/t
- Intercept: 10 m
- From: 520 m
- To: 530 m
- Intercept Depth: 520 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:520-530
- Mining Method: open\_pit

#### Location

- CRS: UTM Z9N NAD83

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.79 g/t gold is strong against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 7.9 g/t·m is below \(grade alone is strong; the better of the two is used\).

- Positive factor: 0.79 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

> 0.79

Context: incl.

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-13)

Aurora West Zone · copper

#### Identity

- Hole ID: incl.
- Project: Aurora West Zone
- Commodity: copper
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.25
- Grade Unit: %
- Intercept: 10 m
- From: 520 m
- To: 530 m
- Intercept Depth: 520 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:520-530
- Mining Method: open\_pit

#### Location

- CRS: UTM Z9N NAD83

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.25 % copper is moderate against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 2.5 %·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

> 0.25

Context: incl.

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### and incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-14)

Aurora West Zone · gold

#### Identity

- Hole ID: and incl.
- Project: Aurora West Zone
- Commodity: gold
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.53
- Grade Unit: g/t
- Intercept: 11 m
- From: 555 m
- To: 566 m
- Intercept Depth: 555 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and incl.:555-566
- Mining Method: open\_pit

#### Location

- CRS: UTM Z9N NAD83

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.53 g/t gold is strong against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 5.8 g/t·m is below \(grade alone is strong; the better of the two is used\).

- Positive factor: 0.53 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

> 0.53

Context: and incl.

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### and incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-15)

Aurora West Zone · copper

#### Identity

- Hole ID: and incl.
- Project: Aurora West Zone
- Commodity: copper
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.18
- Grade Unit: %
- Intercept: 11 m
- From: 555 m
- To: 566 m
- Intercept Depth: 555 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and incl.:555-566
- Mining Method: open\_pit

#### Location

- CRS: UTM Z9N NAD83

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.18 % copper is weak against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 2.0 %·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

> 0.18

Context: and incl.

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### and incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-16)

Aurora West Zone · gold

#### Identity

- Hole ID: and incl.
- Project: Aurora West Zone
- Commodity: gold
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 1.03
- Grade Unit: g/t
- Intercept: 15 m
- From: 633 m
- To: 648 m
- Intercept Depth: 633 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and incl.:633-648
- Mining Method: open\_pit

#### Location

- CRS: UTM Z9N NAD83

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 1.03 g/t gold is exceptional against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 15.5 g/t·m is weak \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 1.03 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

> 1.03

Context: and incl.

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### and incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-17)

Aurora West Zone · copper

#### Identity

- Hole ID: and incl.
- Project: Aurora West Zone
- Commodity: copper
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.31
- Grade Unit: %
- Intercept: 15 m
- From: 633 m
- To: 648 m
- Intercept Depth: 633 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and incl.:633-648
- Mining Method: open\_pit

#### Location

- CRS: UTM Z9N NAD83

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

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 4.7 %·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

> 0.31

Context: and incl.

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### TDG25-017

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-18)

Aurora West Zone · gold

#### Identity

- Hole ID: TDG25-017
- Project: Aurora West Zone
- Commodity: gold
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.5
- Grade Unit: g/t
- Intercept: 13 m
- From: 484 m
- To: 497 m
- Intercept Depth: 484 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: TDG25-017:484-497
- Mining Method: open\_pit

#### Location

- Location: West Zone
- CRS: UTM Z9N NAD83
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.5 g/t gold is strong against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 6.5 g/t·m is below \(grade alone is strong; the better of the two is used\).

- Positive factor: 0.5 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

> 0.50

Context: TDG25-017

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### TDG25-017

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-19)

Aurora West Zone · copper

#### Identity

- Hole ID: TDG25-017
- Project: Aurora West Zone
- Commodity: copper
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.01
- Grade Unit: %
- Intercept: 13 m
- From: 484 m
- To: 497 m
- Intercept Depth: 484 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: TDG25-017:484-497
- Mining Method: open\_pit

#### Location

- Location: West Zone
- CRS: UTM Z9N NAD83
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.01 % copper is below against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 0.1 %·m is below.

- Negative factor: 0.01 % 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

> 0.01

Context: TDG25-017

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### and

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-20)

Aurora West Zone · gold

#### Identity

- Hole ID: and
- Project: Aurora West Zone
- Commodity: gold
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 1.38
- Grade Unit: g/t
- Intercept: 32.3 m
- From: 614 m
- To: 646.3 m
- Intercept Depth: 614 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and:614-646.3
- Mining Method: open\_pit

#### Location

- Location: West Zone
- CRS: UTM Z9N NAD83
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 1.38 g/t gold is exceptional against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 44.6 g/t·m is moderate \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 1.38 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

> 1.38

Context: and

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### and

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-21)

Aurora West Zone · copper

#### Identity

- Hole ID: and
- Project: Aurora West Zone
- Commodity: copper
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.41
- Grade Unit: %
- Intercept: 32.3 m
- From: 614 m
- To: 646.3 m
- Intercept Depth: 614 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and:614-646.3
- Mining Method: open\_pit

#### Location

- Location: West Zone
- CRS: UTM Z9N NAD83
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.41 % copper is strong against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 13.2 %·m is below \(grade alone is strong; the better of the two is used\).

- Positive factor: 0.41 % copper is strong on the porphyry deposit band.

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

Evidence · table

> 0.41

Context: and

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### and

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-22)

Aurora West Zone · gold

#### Identity

- Hole ID: and
- Project: Aurora West Zone
- Commodity: gold
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.61
- Grade Unit: g/t
- Intercept: 18.5 m
- From: 653.5 m
- To: 672 m
- Intercept Depth: 653.5 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and:653.5-672
- Mining Method: open\_pit

#### Location

- Location: West Zone
- CRS: UTM Z9N NAD83
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.61 g/t gold is strong against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 11.3 g/t·m is weak \(grade alone is strong; the better of the two is used\).

- Positive factor: 0.61 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

> 0.61

Context: and

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### and

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-23)

Aurora West Zone · copper

#### Identity

- Hole ID: and
- Project: Aurora West Zone
- Commodity: copper
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.21
- Grade Unit: %
- Intercept: 18.5 m
- From: 653.5 m
- To: 672 m
- Intercept Depth: 653.5 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and:653.5-672
- Mining Method: open\_pit

#### Location

- Location: West Zone
- CRS: UTM Z9N NAD83
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.21 % copper is weak against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 3.9 %·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

> 0.21

Context: and

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### TDG25-019

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-24)

Aurora West Zone · gold

#### Identity

- Hole ID: TDG25-019
- Project: Aurora West Zone
- Commodity: gold
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.59
- Grade Unit: g/t
- Intercept: 60.2 m
- From: 631.9 m
- To: 692 m
- Intercept Depth: 631.9 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: TDG25-019:631.9-692
- Mining Method: open\_pit

#### Location

- Location: West Zone
- CRS: UTM Z9N NAD83
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.59 g/t gold is strong against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 35.5 g/t·m is moderate \(grade alone is strong; the better of the two is used\).

- Positive factor: 0.59 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

> 0.59

Context: TDG25-019

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### TDG25-019

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-25)

Aurora West Zone · copper

#### Identity

- Hole ID: TDG25-019
- Project: Aurora West Zone
- Commodity: copper
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.26
- Grade Unit: %
- Intercept: 60.2 m
- From: 631.9 m
- To: 692 m
- Intercept Depth: 631.9 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: TDG25-019:631.9-692
- Mining Method: open\_pit

#### Location

- Location: West Zone
- CRS: UTM Z9N NAD83
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.26 % copper is moderate against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 15.7 %·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

> 0.26

Context: TDG25-019

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-26)

Aurora West Zone · gold

#### Identity

- Hole ID: incl.
- Project: Aurora West Zone
- Commodity: gold
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.94
- Grade Unit: g/t
- Intercept: 24.1 m
- From: 635 m
- To: 659.1 m
- Intercept Depth: 635 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:635-659.1
- Mining Method: open\_pit

#### Location

- CRS: UTM Z9N NAD83

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.94 g/t gold is strong against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 22.7 g/t·m is weak \(grade alone is strong; the better of the two is used\).

- Positive factor: 0.94 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

> 0.94

Context: incl.

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-27)

Aurora West Zone · copper

#### Identity

- Hole ID: incl.
- Project: Aurora West Zone
- Commodity: copper
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.35
- Grade Unit: %
- Intercept: 24.1 m
- From: 635 m
- To: 659.1 m
- Intercept Depth: 635 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:635-659.1
- Mining Method: open\_pit

#### Location

- CRS: UTM Z9N NAD83

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.35 % copper is moderate against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 8.4 %·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

> 0.35

Context: incl.

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### TDG25-014

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-28)

Aurora West Zone · gold

#### Identity

- Hole ID: TDG25-014
- Project: Aurora West Zone
- Commodity: gold
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.02
- Grade Unit: g/t
- Intercept: 3.8 m
- From: 174 m
- To: 177.8 m
- Intercept Depth: 174 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: TDG25-014:174-177.8
- Mining Method: open\_pit

#### Location

- Location: West Zone
- CRS: UTM Z9N NAD83
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.02 g/t gold is below against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 0.1 g/t·m is below.

- Negative factor: 0.02 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

> 0.02

Context: TDG25-014

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### TDG25-014

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-29)

Aurora West Zone · copper

#### Identity

- Hole ID: TDG25-014
- Project: Aurora West Zone
- Commodity: copper
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.12
- Grade Unit: %
- Intercept: 3.8 m
- From: 174 m
- To: 177.8 m
- Intercept Depth: 174 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: TDG25-014:174-177.8
- Mining Method: open\_pit

#### Location

- Location: West Zone
- CRS: UTM Z9N NAD83
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

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 0.5 %·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: TDG25-014

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### and

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-30)

Aurora West Zone · gold

#### Identity

- Hole ID: and
- Project: Aurora West Zone
- Commodity: gold
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.23
- Grade Unit: g/t
- Intercept: 8.5 m
- From: 305 m
- To: 313.5 m
- Intercept Depth: 305 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and:305-313.5
- Mining Method: open\_pit

#### Location

- Location: West Zone
- CRS: UTM Z9N NAD83
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.23 g/t gold is weak against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 2.0 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

> 0.23

Context: and

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### and

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-31)

Aurora West Zone · copper

#### Identity

- Hole ID: and
- Project: Aurora West Zone
- Commodity: copper
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.02
- Grade Unit: %
- Intercept: 8.5 m
- From: 305 m
- To: 313.5 m
- Intercept Depth: 305 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and:305-313.5
- Mining Method: open\_pit

#### Location

- Location: West Zone
- CRS: UTM Z9N NAD83
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.02 % copper is below against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 0.2 %·m is below.

- Negative factor: 0.02 % 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

> 0.02

Context: and

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### and

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-32)

Aurora West Zone · gold

#### Identity

- Hole ID: and
- Project: Aurora West Zone
- Commodity: gold
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.02
- Grade Unit: g/t
- Intercept: 0.7 m
- From: 454.2 m
- To: 454.9 m
- Intercept Depth: 454.2 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and:454.2-454.9
- Mining Method: open\_pit

#### Location

- Location: West Zone
- CRS: UTM Z9N NAD83
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.02 g/t gold is below against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 0.0 g/t·m is below.

- Negative factor: 0.02 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

> 0.02

Context: and

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### and

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-33)

Aurora West Zone · copper

#### Identity

- Hole ID: and
- Project: Aurora West Zone
- Commodity: copper
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 2.24
- Grade Unit: %
- Intercept: 0.7 m
- From: 454.2 m
- To: 454.9 m
- Intercept Depth: 454.2 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and:454.2-454.9
- Mining Method: open\_pit

#### Location

- Location: West Zone
- CRS: UTM Z9N NAD83
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 2.24 % copper is exceptional against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 1.6 %·m is below \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 2.24 % copper is exceptional on the porphyry deposit band.

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

Evidence · table

> 2.24

Context: and

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### TDG25-018

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-34)

Aurora West Zone · gold

#### Identity

- Hole ID: TDG25-018
- Project: Aurora West Zone
- Commodity: gold
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.02
- Grade Unit: g/t
- Intercept: 11 m
- From: 351 m
- To: 362 m
- Intercept Depth: 351 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: TDG25-018:351-362
- Mining Method: open\_pit

#### Location

- Location: West Zone
- CRS: UTM Z9N NAD83
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.02 g/t gold is below against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 0.2 g/t·m is below.

- Negative factor: 0.02 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

> 0.02

Context: TDG25-018

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### TDG25-018

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-35)

Aurora West Zone · copper

#### Identity

- Hole ID: TDG25-018
- Project: Aurora West Zone
- Commodity: copper
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.14
- Grade Unit: %
- Intercept: 11 m
- From: 351 m
- To: 362 m
- Intercept Depth: 351 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: TDG25-018:351-362
- Mining Method: open\_pit

#### Location

- Location: West Zone
- CRS: UTM Z9N NAD83
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.14 % copper is below against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 1.5 %·m is below.

- Negative factor: 0.14 % 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

> 0.14

Context: TDG25-018

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### and

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-36)

Aurora West Zone · gold

#### Identity

- Hole ID: and
- Project: Aurora West Zone
- Commodity: gold
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.01
- Grade Unit: g/t
- Intercept: 6 m
- From: 372 m
- To: 378 m
- Intercept Depth: 372 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and:372-378
- Mining Method: open\_pit

#### Location

- Location: West Zone
- CRS: UTM Z9N NAD83
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.01 g/t gold is below against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 0.1 g/t·m is below.

- Negative factor: 0.01 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

> 0.01

Context: and

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### and

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-37)

Aurora West Zone · copper

#### Identity

- Hole ID: and
- Project: Aurora West Zone
- Commodity: copper
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.12
- Grade Unit: %
- Intercept: 6 m
- From: 372 m
- To: 378 m
- Intercept Depth: 372 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and:372-378
- Mining Method: open\_pit

#### Location

- Location: West Zone
- CRS: UTM Z9N NAD83
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

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 0.7 %·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: and

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### and

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-38)

Aurora West Zone · gold

#### Identity

- Hole ID: and
- Project: Aurora West Zone
- Commodity: gold
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.01
- Grade Unit: g/t
- Intercept: 13.2 m
- From: 742.9 m
- To: 756.1 m
- Intercept Depth: 742.9 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and:742.9-756.1
- Mining Method: open\_pit

#### Location

- Location: West Zone
- CRS: UTM Z9N NAD83
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.01 g/t gold is below against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 0.1 g/t·m is below.

- Negative factor: 0.01 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

> 0.01

Context: and

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### and

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-39)

Aurora West Zone · copper

#### Identity

- Hole ID: and
- Project: Aurora West Zone
- Commodity: copper
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.23
- Grade Unit: %
- Intercept: 13.2 m
- From: 742.9 m
- To: 756.1 m
- Intercept Depth: 742.9 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and:742.9-756.1
- Mining Method: open\_pit

#### Location

- Location: West Zone
- CRS: UTM Z9N NAD83
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.23 % copper is weak against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 3.0 %·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

> 0.23

Context: and

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### and

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-40)

Aurora West Zone · gold

#### Identity

- Hole ID: and
- Project: Aurora West Zone
- Commodity: gold
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0
- Grade Unit: g/t
- Intercept: 9.4 m
- From: 775.6 m
- To: 785 m
- Intercept Depth: 775.6 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and:775.6-785
- Mining Method: open\_pit

#### Location

- Location: West Zone
- CRS: UTM Z9N NAD83
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0 g/t gold is below against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 0.0 g/t·m is below.

- Negative factor: 0 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

> 0.00

Context: and

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### and

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-41)

Aurora West Zone · copper

#### Identity

- Hole ID: and
- Project: Aurora West Zone
- Commodity: copper
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.11
- Grade Unit: %
- Intercept: 9.4 m
- From: 775.6 m
- To: 785 m
- Intercept Depth: 775.6 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and:775.6-785
- Mining Method: open\_pit

#### Location

- Location: West Zone
- CRS: UTM Z9N NAD83
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

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 1.0 %·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: and

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### TDG25-020

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-42)

Aurora West Zone · gold

#### Identity

- Hole ID: TDG25-020
- Project: Aurora West Zone
- Commodity: gold
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.49
- Grade Unit: g/t
- Intercept: 86.3 m
- From: 736.5 m
- To: 822.8 m
- Intercept Depth: 736.5 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: TDG25-020:736.5-822.8
- Mining Method: open\_pit

#### Location

- Location: West Zone
- CRS: UTM Z9N NAD83
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.49 g/t gold is moderate against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 42.3 g/t·m is moderate.

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

Evidence · table

> 0.49

Context: TDG25-020

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### TDG25-020

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-43)

Aurora West Zone · copper

#### Identity

- Hole ID: TDG25-020
- Project: Aurora West Zone
- Commodity: copper
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.23
- Grade Unit: %
- Intercept: 86.3 m
- From: 736.5 m
- To: 822.8 m
- Intercept Depth: 736.5 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: TDG25-020:736.5-822.8
- Mining Method: open\_pit

#### Location

- Location: West Zone
- CRS: UTM Z9N NAD83
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.23 % copper is weak against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 19.8 %·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

> 0.23

Context: TDG25-020

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-44)

Aurora West Zone · gold

#### Identity

- Hole ID: incl.
- Project: Aurora West Zone
- Commodity: gold
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.57
- Grade Unit: g/t
- Intercept: 24 m
- From: 770 m
- To: 794 m
- Intercept Depth: 770 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:770-794
- Mining Method: open\_pit

#### Location

- CRS: UTM Z9N NAD83

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.57 g/t gold is strong against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 13.7 g/t·m is weak \(grade alone is strong; the better of the two is used\).

- Positive factor: 0.57 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

> 0.57

Context: incl.

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-45)

Aurora West Zone · copper

#### Identity

- Hole ID: incl.
- Project: Aurora West Zone
- Commodity: copper
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.29
- Grade Unit: %
- Intercept: 24 m
- From: 770 m
- To: 794 m
- Intercept Depth: 770 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: incl.:770-794
- Mining Method: open\_pit

#### Location

- CRS: UTM Z9N NAD83

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

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 7.0 %·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: incl.

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### and incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-46)

Aurora West Zone · gold

#### Identity

- Hole ID: and incl.
- Project: Aurora West Zone
- Commodity: gold
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 1.02
- Grade Unit: g/t
- Intercept: 14 m
- From: 806 m
- To: 820 m
- Intercept Depth: 806 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and incl.:806-820
- Mining Method: open\_pit

#### Location

- CRS: UTM Z9N NAD83

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 1.02 g/t gold is exceptional against the porphyry deposit band \[1, 0.5, 0.3, 0.15\] g/t. Grade×width 14.3 g/t·m is weak \(grade alone is exceptional; the better of the two is used\).

- Positive factor: 1.02 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

> 1.02

Context: and incl.

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

### and incl.

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-drill-facts-47)

Aurora West Zone · copper

#### Identity

- Hole ID: and incl.
- Project: Aurora West Zone
- Commodity: copper
- Region: canada\_bc
- Reported Region: canada\_bc
- Ticker: TDG

#### Geometry

- Grade: 0.43
- Grade Unit: %
- Intercept: 14 m
- From: 806 m
- To: 820 m
- Intercept Depth: 806 m

#### Classification

- Deposit Type: porphyry
- Sample Type: drill
- Group ID: and incl.:806-820
- Mining Method: open\_pit

#### Location

- CRS: UTM Z9N NAD83

#### QA/QC

- Laboratory: ALS Global
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks, duplicates

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

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

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: Expanded from assay table. 0.43 % copper is strong against the porphyry deposit band \[0.8, 0.4, 0.25, 0.15\] %. Grade×width 6.0 %·m is below \(grade alone is strong; the better of the two is used\).

- Positive factor: 0.43 % copper is strong on the porphyry deposit band.

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

Evidence · table

> 0.43

Context: and incl.

#### Tags used in scoring

**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: qaqc\_disclosed is true

**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

## Resource Estimates (2)

### inferred

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-resource-facts-2)

Shasta · gold

Historical result

Needs review: historical\_restatement

#### Identity

- Project: Shasta
- Commodity: gold
- Region: canada\_bc
- Reported Region: British Columbia
- Ticker: TDG

#### Resource scope

- Estimate type: resource
- Effective date: 2024-12-29T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Sue Bird
- Resource group id: resource:df73f9a0c3ab5be0db18
- Deposit or zone: TSF1

#### Resource Data

- Category: inferred
- Tonnes: 276000
- Grade: 0.97
- Grade Unit: g/t
- Contained Metal: 8.6
- Contained Unit: koz

#### Prior Estimate

- Resource Date: 2024-12-29

#### Metal Equivalent

- Metal Eq. Grade: 1.37
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Location

- Loc. Confidence: inferred

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2025-01-08T00:00:00.000Z

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: A restated Inferred gold resource for TSF1, representing a smaller, potentially satellite deposit.

- Positive factor: Good gold grade in the Inferred category.

- Negative factor: Inferred category has lower geological confidence.

- Negative factor: Relatively small tonnage.

- Negative factor: This is a restatement of a prior estimate, so novelty is low.

Evidence · table

> 0.97

Context: 0.276

#### 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

**QP/CP Signed**

Polarity: positive

Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience.

Why it applies: qp\_signed is true

**NI 43-101 Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard.

Why it applies: reporting\_standards includes ni\_43\_101

### inferred

[Link to this fact](https://atlas-extractions.minestarters.com/news/tdg-continues-expanding-aurora-west-and-identifies-new-porphyry-target--a2845ac1-17fc-4f0c-8cdb-995f96eed65a#fact-resource-facts-3)

Shasta · silver

Historical result

Needs review: historical\_restatement

#### Identity

- Project: Shasta
- Commodity: silver
- Region: canada\_bc
- Reported Region: British Columbia
- Ticker: TDG

#### Resource scope

- Estimate type: resource
- Effective date: 2024-12-29T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Sue Bird
- Resource group id: resource:df73f9a0c3ab5be0db18
- Deposit or zone: TSF1

#### Resource Data

- Category: inferred
- Tonnes: 276000
- Grade: 45
- Grade Unit: g/t
- Contained Metal: 398
- Contained Unit: koz

#### Prior Estimate

- Resource Date: 2024-12-29

#### Metal Equivalent

- Metal Eq. Grade: 1.37
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Location

- Loc. Confidence: inferred

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2025-01-08T00:00:00.000Z

#### Dates

- Event date: 2026-02-04T00:00:00.000Z

Reasoning: A restated Inferred silver resource for TSF1, representing a smaller, potentially satellite deposit.

- Positive factor: Good silver grade in the Inferred category.

- Negative factor: Inferred category has lower geological confidence.

- Negative factor: Relatively small tonnage.

- Negative factor: This is a restatement of a prior estimate, so novelty is low.

Evidence · table

> 45.0

Context: 0.276

#### 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

**QP/CP Signed**

Polarity: positive

Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience.

Why it applies: qp\_signed is true

**NI 43-101 Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard.

Why it applies: reporting\_standards includes ni\_43\_101

## 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.