# Sienna Resources Inc.: Company Update

Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c

Original source: https://money.tmx.com/en/quote/SIEN/news/8989393080218624/sienna-resources-inc-company-update

Publisher: tmx

Original announcement: 2025-04-17T13:25:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: Sienna Resources Inc.

- Ticker: SIEN

- Exchange: TSX

- Region: Ontario

- Primary commodity: Silver

- Secondary commodities: Copper, Manganese, Zinc

- Document categories: Drill results

- Extracted: 2026-09-14 23:08:45 UTC

Narrative sentiment: 0.60 · Bullish

## Minestarters Atlas summary

Sienna Resources has announced maiden drill results from its 100% owned Case Lake Project in Ontario, identifying a polymetallic VMS system. The results include silver intercepts, notably 8.3 g/t Ag over 1.5 m, alongside copper, manganese, and zinc mineralization.

Reasoning: Maiden drill results from the Case Lake Project successfully identified a polymetallic VMS system with silver, copper, manganese, and zinc intercepts.

- Positive factor: Identification of a polymetallic VMS system

- Positive factor: Silver intercepts in maiden drilling

- Positive factor: Multi-element mineralization \(Cu, Mn, Zn\)

Facts used in scoring: 33

## Classification and evidence

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: The release mentions a Qualified Person \(Curtis Ferron MSc. P.Geo.\) has reviewed and approved the technical disclosure.

Evidence · text

> Qualified Person: Curtis Ferron MSc. P.Geo. a qualified person as defined by National Instrument 43-101 has reviewed and approved

## Extracted facts

Stored fact records: 33. Some facts used in scoring do not have a stored record.

## Drill Results (33)

### CL25-01

[Link to this fact](https://atlas-extractions.minestarters.com/news/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-0)

Case Lake West · silver

#### Identity

- Hole ID: CL25-01
- Project: Case Lake West
- Commodity: silver
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 0.3
- Grade Unit: g/t
- Intercept: 30 m
- From: 118 m
- To: 148 m
- Intercept Depth: 118 m

#### Classification

- Program: exploration
- Sample Type: drill
- Group ID: CL25-01:118-148
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N
- Loc. Confidence: high

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Low grade silver intercept in maiden drilling.

Evidence · table

> 0.3

Context: 30

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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

### CL25-01

[Link to this fact](https://atlas-extractions.minestarters.com/news/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-1)

Case Lake West · copper

#### Identity

- Hole ID: CL25-01
- Project: Case Lake West
- Commodity: copper
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 105
- Grade Unit: ppm
- Intercept: 30 m
- From: 118 m
- To: 148 m
- Intercept Depth: 118 m

#### Classification

- Program: exploration
- Sample Type: drill
- Group ID: CL25-01:118-148
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N
- Loc. Confidence: high

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Trace copper mineralization identified.

Evidence · table

> 105.0

Context: 30

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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

### CL25-01

[Link to this fact](https://atlas-extractions.minestarters.com/news/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-2)

Case Lake West · manganese

#### Identity

- Hole ID: CL25-01
- Project: Case Lake West
- Commodity: manganese
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 878.7
- Grade Unit: ppm
- Intercept: 30 m
- From: 118 m
- To: 148 m
- Intercept Depth: 118 m

#### Classification

- Program: exploration
- Sample Type: drill
- Group ID: CL25-01:118-148
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N
- Loc. Confidence: high

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Trace manganese mineralization identified.

Evidence · table

> 878.7

Context: 30

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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

### CL25-01

[Link to this fact](https://atlas-extractions.minestarters.com/news/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-3)

Case Lake West · zinc

#### Identity

- Hole ID: CL25-01
- Project: Case Lake West
- Commodity: zinc
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 354.7
- Grade Unit: ppm
- Intercept: 30 m
- From: 118 m
- To: 148 m
- Intercept Depth: 118 m

#### Classification

- Program: exploration
- Sample Type: drill
- Group ID: CL25-01:118-148
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N
- Loc. Confidence: high

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Trace zinc mineralization identified.

Evidence · table

> 354.7

Context: 30

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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

### CL25-02

[Link to this fact](https://atlas-extractions.minestarters.com/news/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-4)

Case Lake West · silver

#### Identity

- Hole ID: CL25-02
- Project: Case Lake West
- Commodity: silver
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 0.6
- Grade Unit: g/t
- Intercept: 36 m
- From: 67 m
- To: 103 m
- Intercept Depth: 67 m

#### Classification

- Program: exploration
- Sample Type: drill
- Group ID: CL25-02:67-103
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N
- Loc. Confidence: high

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Low grade silver intercept.

Evidence · table

> 0.6

Context: 36

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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

### CL25-02

[Link to this fact](https://atlas-extractions.minestarters.com/news/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-5)

Case Lake West · silver

#### Identity

- Hole ID: CL25-02
- Project: Case Lake West
- Commodity: silver
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 1
- Grade Unit: g/t
- Intercept: 13.5 m
- From: 83.5 m
- To: 97 m
- Intercept Depth: 83.5 m

#### Classification

- Program: exploration
- Sample Type: drill
- Group ID: CL25-02:83.5-97
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N
- Loc. Confidence: high

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Sub-interval with slightly higher silver grade.

Evidence · table

> 1.0

Context: 13.5

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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

### CL25-02

[Link to this fact](https://atlas-extractions.minestarters.com/news/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-6)

Case Lake West · silver

#### Identity

- Hole ID: CL25-02
- Project: Case Lake West
- Commodity: silver
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 2.8
- Grade Unit: g/t
- Intercept: 6 m
- From: 137 m
- To: 143 m
- Intercept Depth: 137 m

#### Classification

- Program: exploration
- Sample Type: drill
- Group ID: CL25-02:137-143
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N
- Loc. Confidence: high

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Higher grade silver intercept.

Evidence · table

> 2.8

Context: 6

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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

### CL25-02

[Link to this fact](https://atlas-extractions.minestarters.com/news/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-7)

Case Lake West · silver

#### Identity

- Hole ID: CL25-02
- Project: Case Lake West
- Commodity: silver
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 5.3
- Grade Unit: g/t
- Intercept: 3 m
- From: 137 m
- To: 140 m
- Intercept Depth: 137 m

#### Classification

- Program: exploration
- Sample Type: drill
- Group ID: CL25-02:137-140
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N
- Loc. Confidence: high

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: High grade silver sub-interval.

Evidence · table

> 5.3

Context: 3

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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

### CL25-02

[Link to this fact](https://atlas-extractions.minestarters.com/news/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-8)

Case Lake West · silver

#### Identity

- Hole ID: CL25-02
- Project: Case Lake West
- Commodity: silver
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 8.3
- Grade Unit: g/t
- Intercept: 1.5 m
- From: 137 m
- To: 138.5 m
- Intercept Depth: 137 m

#### Classification

- Program: exploration
- Sample Type: drill
- Group ID: CL25-02:137-138.5
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N
- Loc. Confidence: high

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: High grade silver sub-interval.

Evidence · table

> 8.3

Context: 1.5

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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

### CL25-03

[Link to this fact](https://atlas-extractions.minestarters.com/news/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-9)

Case Lake West · silver

#### Identity

- Hole ID: CL25-03
- Project: Case Lake West
- Commodity: silver
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 0.6
- Grade Unit: g/t
- Intercept: 9 m
- From: 285 m
- To: 294 m
- Intercept Depth: 285 m

#### Classification

- Program: exploration
- Sample Type: drill
- Group ID: CL25-03:285-294
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N
- Loc. Confidence: high

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Low grade silver intercept.

Evidence · table

> 0.6

Context: 9

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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

### CL25-03

[Link to this fact](https://atlas-extractions.minestarters.com/news/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-10)

Case Lake West · silver

#### Identity

- Hole ID: CL25-03
- Project: Case Lake West
- Commodity: silver
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 0.6
- Grade Unit: g/t
- Intercept: 6 m
- From: 316.5 m
- To: 322.5 m
- Intercept Depth: 316.5 m

#### Classification

- Program: exploration
- Sample Type: drill
- Group ID: CL25-03:316.5-322.5
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N
- Loc. Confidence: high

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Low grade silver intercept.

Evidence · table

> 0.6

Context: 6

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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

### CL25-03

[Link to this fact](https://atlas-extractions.minestarters.com/news/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-11)

Case Lake West · silver

#### Identity

- Hole ID: CL25-03
- Project: Case Lake West
- Commodity: silver
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 0.5
- Grade Unit: g/t
- Intercept: 3 m
- From: 328.5 m
- To: 331.5 m
- Intercept Depth: 328.5 m

#### Classification

- Program: exploration
- Sample Type: drill
- Group ID: CL25-03:328.5-331.5
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N
- Loc. Confidence: high

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Low grade silver intercept.

Evidence · table

> 0.5

Context: 3

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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

### CL25-01

[Link to this fact](https://atlas-extractions.minestarters.com/news/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-12)

Case Lake West · silver

#### Identity

- Hole ID: CL25-01
- Project: Case Lake West
- Commodity: silver
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 0.5
- Grade Unit: g/t
- Intercept: 4.5 m
- From: 130 m
- To: 134.5 m
- Intercept Depth: 130 m

#### Classification

- Sample Type: drill
- Group ID: CL25-01:130-134.5
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Expanded from assay table. 0.5 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 2.3 g/t·m is below.

- Negative factor: 0.5 g/t silver is below the weak threshold \(30 g/t\) on the default band.

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

Evidence · table

> 0.5

Context: including

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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

### CL25-01

[Link to this fact](https://atlas-extractions.minestarters.com/news/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-13)

Case Lake West · copper

#### Identity

- Hole ID: CL25-01
- Project: Case Lake West
- Commodity: copper
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 150
- Grade Unit: ppm
- Intercept: 4.5 m
- From: 130 m
- To: 134.5 m
- Intercept Depth: 130 m

#### Classification

- Sample Type: drill
- Group ID: CL25-01:130-134.5
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Expanded from assay table: 150 ppm copper, reported in a unit the rubric does not cover \(%\).

- Negative factor: Grade unit ppm does not match the copper rubric unit %; not scored.

Evidence · table

> 150.0

Context: including

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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

### CL25-01

[Link to this fact](https://atlas-extractions.minestarters.com/news/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-14)

Case Lake West · zinc

#### Identity

- Hole ID: CL25-01
- Project: Case Lake West
- Commodity: zinc
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 834.7
- Grade Unit: ppm
- Intercept: 4.5 m
- From: 130 m
- To: 134.5 m
- Intercept Depth: 130 m

#### Classification

- Sample Type: drill
- Group ID: CL25-01:130-134.5
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Expanded from assay table: 834.7 ppm zinc, reported in a unit the rubric does not cover \(%\).

- Negative factor: Grade unit ppm does not match the zinc rubric unit %; not scored.

Evidence · table

> 834.7

Context: including

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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

### CL25-02

[Link to this fact](https://atlas-extractions.minestarters.com/news/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-15)

Case Lake West · copper

#### Identity

- Hole ID: CL25-02
- Project: Case Lake West
- Commodity: copper
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 189.5
- Grade Unit: ppm
- Intercept: 36 m
- From: 67 m
- To: 103 m
- Intercept Depth: 67 m

#### Classification

- Sample Type: drill
- Group ID: CL25-02:67-103
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Expanded from assay table: 189.5 ppm copper, reported in a unit the rubric does not cover \(%\).

- Negative factor: Grade unit ppm does not match the copper rubric unit %; not scored.

Evidence · table

> 189.5

Context: CL25-02

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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

### CL25-02

[Link to this fact](https://atlas-extractions.minestarters.com/news/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-16)

Case Lake West · zinc

#### Identity

- Hole ID: CL25-02
- Project: Case Lake West
- Commodity: zinc
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 155.6
- Grade Unit: ppm
- Intercept: 36 m
- From: 67 m
- To: 103 m
- Intercept Depth: 67 m

#### Classification

- Sample Type: drill
- Group ID: CL25-02:67-103
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Expanded from assay table: 155.6 ppm zinc, reported in a unit the rubric does not cover \(%\).

- Negative factor: Grade unit ppm does not match the zinc rubric unit %; not scored.

Evidence · table

> 155.6

Context: CL25-02

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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

### CL25-02

[Link to this fact](https://atlas-extractions.minestarters.com/news/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-17)

Case Lake West · copper

#### Identity

- Hole ID: CL25-02
- Project: Case Lake West
- Commodity: copper
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 363.6
- Grade Unit: ppm
- Intercept: 13.5 m
- From: 83.5 m
- To: 97 m
- Intercept Depth: 83.5 m

#### Classification

- Sample Type: drill
- Group ID: CL25-02:83.5-97
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Expanded from assay table: 363.6 ppm copper, reported in a unit the rubric does not cover \(%\).

- Negative factor: Grade unit ppm does not match the copper rubric unit %; not scored.

Evidence · table

> 363.6

Context: including

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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

### CL25-02

[Link to this fact](https://atlas-extractions.minestarters.com/news/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-18)

Case Lake West · zinc

#### Identity

- Hole ID: CL25-02
- Project: Case Lake West
- Commodity: zinc
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 137.4
- Grade Unit: ppm
- Intercept: 13.5 m
- From: 83.5 m
- To: 97 m
- Intercept Depth: 83.5 m

#### Classification

- Sample Type: drill
- Group ID: CL25-02:83.5-97
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Expanded from assay table: 137.4 ppm zinc, reported in a unit the rubric does not cover \(%\).

- Negative factor: Grade unit ppm does not match the zinc rubric unit %; not scored.

Evidence · table

> 137.4

Context: including

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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

### CL25-02

[Link to this fact](https://atlas-extractions.minestarters.com/news/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-19)

Case Lake West · copper

#### Identity

- Hole ID: CL25-02
- Project: Case Lake West
- Commodity: copper
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 50.3
- Grade Unit: ppm
- Intercept: 6 m
- From: 137 m
- To: 143 m
- Intercept Depth: 137 m

#### Classification

- Sample Type: drill
- Group ID: CL25-02:137-143
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Expanded from assay table: 50.3 ppm copper, reported in a unit the rubric does not cover \(%\).

- Negative factor: Grade unit ppm does not match the copper rubric unit %; not scored.

Evidence · table

> 50.3

Context: CL25-02

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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

### CL25-02

[Link to this fact](https://atlas-extractions.minestarters.com/news/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-20)

Case Lake West · zinc

#### Identity

- Hole ID: CL25-02
- Project: Case Lake West
- Commodity: zinc
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 97
- Grade Unit: ppm
- Intercept: 6 m
- From: 137 m
- To: 143 m
- Intercept Depth: 137 m

#### Classification

- Sample Type: drill
- Group ID: CL25-02:137-143
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Expanded from assay table: 97 ppm zinc, reported in a unit the rubric does not cover \(%\).

- Negative factor: Grade unit ppm does not match the zinc rubric unit %; not scored.

Evidence · table

> 97.0

Context: CL25-02

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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

### CL25-02

[Link to this fact](https://atlas-extractions.minestarters.com/news/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-21)

Case Lake West · copper

#### Identity

- Hole ID: CL25-02
- Project: Case Lake West
- Commodity: copper
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 59
- Grade Unit: ppm
- Intercept: 3 m
- From: 137 m
- To: 140 m
- Intercept Depth: 137 m

#### Classification

- Sample Type: drill
- Group ID: CL25-02:137-140
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Expanded from assay table: 59 ppm copper, reported in a unit the rubric does not cover \(%\).

- Negative factor: Grade unit ppm does not match the copper rubric unit %; not scored.

Evidence · table

> 59.0

Context: including

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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

### CL25-02

[Link to this fact](https://atlas-extractions.minestarters.com/news/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-22)

Case Lake West · zinc

#### Identity

- Hole ID: CL25-02
- Project: Case Lake West
- Commodity: zinc
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 54
- Grade Unit: ppm
- Intercept: 3 m
- From: 137 m
- To: 140 m
- Intercept Depth: 137 m

#### Classification

- Sample Type: drill
- Group ID: CL25-02:137-140
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Expanded from assay table: 54 ppm zinc, reported in a unit the rubric does not cover \(%\).

- Negative factor: Grade unit ppm does not match the zinc rubric unit %; not scored.

Evidence · table

> 54.0

Context: including

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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

### CL25-02

[Link to this fact](https://atlas-extractions.minestarters.com/news/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-23)

Case Lake West · copper

#### Identity

- Hole ID: CL25-02
- Project: Case Lake West
- Commodity: copper
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 71
- Grade Unit: ppm
- Intercept: 1.5 m
- From: 137 m
- To: 138.5 m
- Intercept Depth: 137 m

#### Classification

- Sample Type: drill
- Group ID: CL25-02:137-138.5
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Expanded from assay table: 71 ppm copper, reported in a unit the rubric does not cover \(%\).

- Negative factor: Grade unit ppm does not match the copper rubric unit %; not scored.

Evidence · table

> 71.0

Context: including

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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

### CL25-02

[Link to this fact](https://atlas-extractions.minestarters.com/news/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-24)

Case Lake West · zinc

#### Identity

- Hole ID: CL25-02
- Project: Case Lake West
- Commodity: zinc
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 35
- Grade Unit: ppm
- Intercept: 1.5 m
- From: 137 m
- To: 138.5 m
- Intercept Depth: 137 m

#### Classification

- Sample Type: drill
- Group ID: CL25-02:137-138.5
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Expanded from assay table: 35 ppm zinc, reported in a unit the rubric does not cover \(%\).

- Negative factor: Grade unit ppm does not match the zinc rubric unit %; not scored.

Evidence · table

> 35.0

Context: including

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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

### CL25-03

[Link to this fact](https://atlas-extractions.minestarters.com/news/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-25)

Case Lake West · copper

#### Identity

- Hole ID: CL25-03
- Project: Case Lake West
- Commodity: copper
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 100.3
- Grade Unit: ppm
- Intercept: 9 m
- From: 285 m
- To: 294 m
- Intercept Depth: 285 m

#### Classification

- Sample Type: drill
- Group ID: CL25-03:285-294
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Expanded from assay table: 100.3 ppm copper, reported in a unit the rubric does not cover \(%\).

- Negative factor: Grade unit ppm does not match the copper rubric unit %; not scored.

Evidence · table

> 100.3

Context: CL25-03

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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

### CL25-03

[Link to this fact](https://atlas-extractions.minestarters.com/news/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-26)

Case Lake West · zinc

#### Identity

- Hole ID: CL25-03
- Project: Case Lake West
- Commodity: zinc
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 172
- Grade Unit: ppm
- Intercept: 9 m
- From: 285 m
- To: 294 m
- Intercept Depth: 285 m

#### Classification

- Sample Type: drill
- Group ID: CL25-03:285-294
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Expanded from assay table: 172 ppm zinc, reported in a unit the rubric does not cover \(%\).

- Negative factor: Grade unit ppm does not match the zinc rubric unit %; not scored.

Evidence · table

> 172.0

Context: CL25-03

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-27)

Case Lake West · silver

#### Identity

- Hole ID: and
- Project: Case Lake West
- Commodity: silver
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 0.6
- Grade Unit: g/t
- Intercept: 6 m
- From: 316.5 m
- To: 322.5 m
- Intercept Depth: 316.5 m

#### Classification

- Sample Type: drill
- Group ID: and:316.5-322.5
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Expanded from assay table. 0.6 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 3.6 g/t·m is below.

- Negative factor: 0.6 g/t silver is below the weak threshold \(30 g/t\) on the default band.

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

Evidence · table

> 0.6

Context: and

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-28)

Case Lake West · copper

#### Identity

- Hole ID: and
- Project: Case Lake West
- Commodity: copper
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 53
- Grade Unit: ppm
- Intercept: 6 m
- From: 316.5 m
- To: 322.5 m
- Intercept Depth: 316.5 m

#### Classification

- Sample Type: drill
- Group ID: and:316.5-322.5
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Expanded from assay table: 53 ppm copper, reported in a unit the rubric does not cover \(%\).

- Negative factor: Grade unit ppm does not match the copper rubric unit %; not scored.

Evidence · table

> 53.0

Context: and

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-29)

Case Lake West · zinc

#### Identity

- Hole ID: and
- Project: Case Lake West
- Commodity: zinc
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 101.3
- Grade Unit: ppm
- Intercept: 6 m
- From: 316.5 m
- To: 322.5 m
- Intercept Depth: 316.5 m

#### Classification

- Sample Type: drill
- Group ID: and:316.5-322.5
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Expanded from assay table: 101.3 ppm zinc, reported in a unit the rubric does not cover \(%\).

- Negative factor: Grade unit ppm does not match the zinc rubric unit %; not scored.

Evidence · table

> 101.3

Context: and

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-30)

Case Lake West · silver

#### Identity

- Hole ID: and
- Project: Case Lake West
- Commodity: silver
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 0.5
- Grade Unit: g/t
- Intercept: 3 m
- From: 328.5 m
- To: 331.5 m
- Intercept Depth: 328.5 m

#### Classification

- Sample Type: drill
- Group ID: and:328.5-331.5
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Expanded from assay table. 0.5 g/t silver is below against the default band \[500, 200, 100, 30\] g/t. Grade×width 1.5 g/t·m is below.

- Negative factor: 0.5 g/t silver is below the weak threshold \(30 g/t\) on the default band.

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

Evidence · table

> 0.5

Context: and

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-31)

Case Lake West · copper

#### Identity

- Hole ID: and
- Project: Case Lake West
- Commodity: copper
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 90.5
- Grade Unit: ppm
- Intercept: 3 m
- From: 328.5 m
- To: 331.5 m
- Intercept Depth: 328.5 m

#### Classification

- Sample Type: drill
- Group ID: and:328.5-331.5
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Expanded from assay table: 90.5 ppm copper, reported in a unit the rubric does not cover \(%\).

- Negative factor: Grade unit ppm does not match the copper rubric unit %; not scored.

Evidence · table

> 90.5

Context: and

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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/sienna-resources-inc-company-update--761290c0-3d91-428d-9b2b-583512821f7c#fact-drill-facts-32)

Case Lake West · zinc

#### Identity

- Hole ID: and
- Project: Case Lake West
- Commodity: zinc
- Region: canada\_on
- Reported Region: canada\_on
- Ticker: SIEN

#### Geometry

- Grade: 79
- Grade Unit: ppm
- Intercept: 3 m
- From: 328.5 m
- To: 331.5 m
- Intercept Depth: 328.5 m

#### Classification

- Sample Type: drill
- Group ID: and:328.5-331.5
- Mining Method: unknown

#### Location

- CRS: WGS84 UTM Zone 17N

#### QA/QC

- QP Signed: Yes

#### Review

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

#### Dates

- Event date: 2025-04-17T00:00:00.000Z

Reasoning: Expanded from assay table: 79 ppm zinc, reported in a unit the rubric does not cover \(%\).

- Negative factor: Grade unit ppm does not match the zinc rubric unit %; not scored.

Evidence · table

> 79.0

Context: and

#### Tags used in scoring

**No QA/QC Disclosure**

Polarity: negative

Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc\_disclosed is not 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

## 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.