Sienna Resources Inc.: Company Update

Original announcement by tmx on

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

Analysis by Minestarters Atlas

Minestarters Atlas analysis

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 factors

  • Identification of a polymetallic VMS system
  • Silver intercepts in maiden drilling
  • Multi-element mineralization (Cu, Mn, Zn)

Facts used in scoring: 33

Classification and evidence

QA/QC Disclosedpositive

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)

CL25-01Case Lake West · silverGrade: 0.3Grade Unit: g/tIntercept: 30 mView all details
Link to this fact

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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CL25-01Case Lake West · copperGrade: 105Grade Unit: ppmIntercept: 30 mView all details
Link to this fact

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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CL25-01Case Lake West · manganeseGrade: 878.7Grade Unit: ppmIntercept: 30 mView all details
Link to this fact

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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CL25-01Case Lake West · zincGrade: 354.7Grade Unit: ppmIntercept: 30 mView all details
Link to this fact

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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CL25-02Case Lake West · silverGrade: 0.6Grade Unit: g/tIntercept: 36 mView all details
Link to this fact

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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CL25-02Case Lake West · silverGrade: 1Grade Unit: g/tIntercept: 13.5 mView all details
Link to this fact

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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CL25-02Case Lake West · silverGrade: 2.8Grade Unit: g/tIntercept: 6 mView all details
Link to this fact

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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CL25-02Case Lake West · silverGrade: 5.3Grade Unit: g/tIntercept: 3 mView all details
Link to this fact

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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CL25-02Case Lake West · silverGrade: 8.3Grade Unit: g/tIntercept: 1.5 mView all details
Link to this fact

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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CL25-03Case Lake West · silverGrade: 0.6Grade Unit: g/tIntercept: 9 mView all details
Link to this fact

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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CL25-03Case Lake West · silverGrade: 0.6Grade Unit: g/tIntercept: 6 mView all details
Link to this fact

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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CL25-03Case Lake West · silverGrade: 0.5Grade Unit: g/tIntercept: 3 mView all details
Link to this fact

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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CL25-01Case Lake West · silverGrade: 0.5Grade Unit: g/tIntercept: 4.5 mView all details
Link to this fact

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 factors

  • 0.5 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.5”

Context: including

Tags used in scoring

No QA/QC Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CL25-01Case Lake West · copperGrade: 150Grade Unit: ppmIntercept: 4.5 mView all details
Link to this fact

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 factors

  • 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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CL25-01Case Lake West · zincGrade: 834.7Grade Unit: ppmIntercept: 4.5 mView all details
Link to this fact

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 factors

  • 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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CL25-02Case Lake West · copperGrade: 189.5Grade Unit: ppmIntercept: 36 mView all details
Link to this fact

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 factors

  • 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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CL25-02Case Lake West · zincGrade: 155.6Grade Unit: ppmIntercept: 36 mView all details
Link to this fact

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 factors

  • 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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CL25-02Case Lake West · copperGrade: 363.6Grade Unit: ppmIntercept: 13.5 mView all details
Link to this fact

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 factors

  • 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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CL25-02Case Lake West · zincGrade: 137.4Grade Unit: ppmIntercept: 13.5 mView all details
Link to this fact

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 factors

  • 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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CL25-02Case Lake West · copperGrade: 50.3Grade Unit: ppmIntercept: 6 mView all details
Link to this fact

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 factors

  • 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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CL25-02Case Lake West · zincGrade: 97Grade Unit: ppmIntercept: 6 mView all details
Link to this fact

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 factors

  • 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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CL25-02Case Lake West · copperGrade: 59Grade Unit: ppmIntercept: 3 mView all details
Link to this fact

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 factors

  • 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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CL25-02Case Lake West · zincGrade: 54Grade Unit: ppmIntercept: 3 mView all details
Link to this fact

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 factors

  • 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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CL25-02Case Lake West · copperGrade: 71Grade Unit: ppmIntercept: 1.5 mView all details
Link to this fact

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 factors

  • 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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CL25-02Case Lake West · zincGrade: 35Grade Unit: ppmIntercept: 1.5 mView all details
Link to this fact

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 factors

  • 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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CL25-03Case Lake West · copperGrade: 100.3Grade Unit: ppmIntercept: 9 mView all details
Link to this fact

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 factors

  • 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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CL25-03Case Lake West · zincGrade: 172Grade Unit: ppmIntercept: 9 mView all details
Link to this fact

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 factors

  • 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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

andCase Lake West · silverGrade: 0.6Grade Unit: g/tIntercept: 6 mView all details
Link to this fact

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 factors

  • 0.6 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.6”

Context: and

Tags used in scoring

No QA/QC Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

andCase Lake West · copperGrade: 53Grade Unit: ppmIntercept: 6 mView all details
Link to this fact

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 factors

  • 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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

andCase Lake West · zincGrade: 101.3Grade Unit: ppmIntercept: 6 mView all details
Link to this fact

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 factors

  • 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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

andCase Lake West · silverGrade: 0.5Grade Unit: g/tIntercept: 3 mView all details
Link to this fact

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 factors

  • 0.5 g/t silver is below the weak threshold (30 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.5”

Context: and

Tags used in scoring

No QA/QC Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

andCase Lake West · copperGrade: 90.5Grade Unit: ppmIntercept: 3 mView all details
Link to this fact

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 factors

  • 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 Disclosurenegative

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 Undisclosednegative

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

Why it applies: no cutoff_grade was stated

andCase Lake West · zincGrade: 79Grade Unit: ppmIntercept: 3 mView all details
Link to this fact

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 factors

  • 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 Disclosurenegative

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 Undisclosednegative

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.