Stuve Gold Corp. Announces Results of Initial Diamond Drilling at Teresa/Coba SW Property and Engages Market Maker

Original announcement by tmx on

Company
Stuve Gold Corp.
Ticker
STUV
Exchange
TSX
Region
Chile
Primary commodity
Copper
Secondary commodities
Gold, Silver, Cobalt
Document categories
Drill results, Capital raise
Extracted
2026-09-19 05:05:21 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Stuve Gold Corp. announced high-grade polymetallic drill results from its initial diamond drilling program at the Teresa/Coba SW property in Chile. The program successfully extended copper, gold, silver, and cobalt mineralization 240m southwest and to a depth of 175m. The company also engaged Red Cloud Securities for market-making services to improve share liquidity.

Reasoning: The document reports high-grade copper, gold, silver, and cobalt intercepts from an initial diamond drilling program, confirming the extension of mineralization at the Teresa/Coba SW property. The results are significant for an early-stage exploration program, with good QA/QC disclosure. However, the lack of true width disclosure and cut-off grades introduces some uncertainty.

Positive factors

  • High-grade polymetallic intercepts confirm extension of mineralization
  • Initial drilling program successfully identified significant mineralization
  • QA/QC procedures are disclosed, including certified lab and QP sign-off

Negative factors

  • True width not disclosed for intercepts, potentially overstating thickness
  • No cut-off grade disclosed for compositing, reducing transparency

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

Facts used in scoring: 24

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 explicitly mentions QA/QC procedures, including sample handling, delivery to ALS prep-lab, and analysis by ALS in Lima, Peru, with review by a Qualified Person.

Evidence · text

“During the drilling program all samples were cut from the drill core using a diamond saw by experienced Stuve Gold staff under the supervision of Eric Hanson P. Geo, a qualified person within the meaning of National Instrument 43-101. Each sample, consisting of one half of the relative core interval selected, was bagged and sealed on site and delivered by Stuve Gold staff to the ALS prep-lab in La Serena for processing. ALS subsequently shipped a 30g sub-sample pulp to their laboratory in Lima, Peru where they were analysed for gold by fire assay pre-concentration, AA finish and 35 other elements, including copper, silver and cobalt, by the ICP technique following Agua Regia digestion.”

Apparent Width Onlynegative

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

Why it applies: The document reports downhole intercept lengths without providing true width estimates or drill orientation relative to mineralization.

Evidence · text

“The high-grade drill hole intercepts are as follows: Hole From To Width Cu% Au g/t Ag g/t Co% COBA-21-01 92.6 98.71 6.11”

No Cut-off Disclosurenegative · Story-specific tag

No canonical definition is currently available.

Why it applies: The document reports drill intercepts but does not state the cut-off grade used for compositing the intervals.

Evidence · text

“The high-grade drill hole intercepts are as follows: Hole From To Width Cu% Au g/t Ag g/t Co% COBA-21-01 92.6 98.71 6.11”

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: The drilling confirmed the extension of mineralization 240m southwest and to a total depth of 175m, beyond existing workings.

Evidence · text

“The results from the five holes intersecting mineralization confirm the extension of significant copper, gold, silver and cobalt mineralization and a productive zone a further 240m southwest and to a total depth of 175m (60m below the existing underground workings of the South (secondary) shaft)”

Extracted facts

Stored fact records: 24. Some facts used in scoring do not have a stored record.

Drill Results (24)

COBA-21-01Teresa/Coba SW · copperGrade: 2.5Grade Unit: %Intercept: 6.11 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
COBA-21-01
Project
Teresa/Coba SW
Commodity
copper
Region
chile
Reported Region
chile
Ticker
STUV

Geometry

Grade
2.5
Grade Unit
%
Intercept
6.11 m
From
92.6 m
To
98.71 m
Intercept Depth
92.6 m

Classification

Program
exploration
Sample Type
drill
Group ID
COBA-21-01:92.6-98.71
Mining Method
underground

QA/QC

Laboratory
ALS
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2021-08-17T00:00:00.000Z

Dates

Event date
2021-09-28T00:00:00.000Z

Reasoning: This intercept shows a strong copper grade in an initial exploration hole, contributing to the extension of mineralization. However, the lack of true width and cut-off grade disclosure reduces confidence in the reported interval's representativeness.

Positive factors

  • High copper grade for an initial exploration hole
  • Part of a program extending known mineralization

Negative factors

  • True width not disclosed
  • No cut-off grade disclosed

Evidence · table

“2.5”

Context: 6.11

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

COBA-21-01Teresa/Coba SW · goldGrade: 4.45Grade Unit: g/tIntercept: 6.11 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
COBA-21-01
Project
Teresa/Coba SW
Commodity
gold
Region
chile
Reported Region
chile
Ticker
STUV

Geometry

Grade
4.45
Grade Unit
g/t
Intercept
6.11 m
From
92.6 m
To
98.71 m
Intercept Depth
92.6 m

Classification

Program
exploration
Sample Type
drill
Group ID
COBA-21-01:92.6-98.71
Mining Method
underground

QA/QC

Laboratory
ALS
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2021-08-17T00:00:00.000Z

Dates

Event date
2021-09-28T00:00:00.000Z

Reasoning: This intercept shows a strong gold grade in an initial exploration hole, contributing to the extension of mineralization. However, the lack of true width and cut-off grade disclosure reduces confidence in the reported interval's representativeness.

Positive factors

  • Strong gold grade for an initial exploration hole
  • Part of a program extending known mineralization

Negative factors

  • True width not disclosed
  • No cut-off grade disclosed

Evidence · table

“4.45”

Context: 6.11

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

COBA-21-01Teresa/Coba SW · silverGrade: 28.9Grade Unit: g/tIntercept: 6.11 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
COBA-21-01
Project
Teresa/Coba SW
Commodity
silver
Region
chile
Reported Region
chile
Ticker
STUV

Geometry

Grade
28.9
Grade Unit
g/t
Intercept
6.11 m
From
92.6 m
To
98.71 m
Intercept Depth
92.6 m

Classification

Program
exploration
Sample Type
drill
Group ID
COBA-21-01:92.6-98.71
Mining Method
underground

QA/QC

Laboratory
ALS
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2021-08-17T00:00:00.000Z

Dates

Event date
2021-09-28T00:00:00.000Z

Reasoning: This intercept shows a moderate silver grade in an initial exploration hole, contributing to the extension of mineralization. However, the lack of true width and cut-off grade disclosure reduces confidence in the reported interval's representativeness.

Positive factors

  • Moderate silver grade for an initial exploration hole
  • Part of a program extending known mineralization

Negative factors

  • True width not disclosed
  • No cut-off grade disclosed

Evidence · table

“28.9”

Context: 6.11

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

COBA-21-01Teresa/Coba SW · cobaltGrade: 0.56Grade Unit: %Intercept: 6.11 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
COBA-21-01
Project
Teresa/Coba SW
Commodity
cobalt
Region
chile
Reported Region
chile
Ticker
STUV

Geometry

Grade
0.56
Grade Unit
%
Intercept
6.11 m
From
92.6 m
To
98.71 m
Intercept Depth
92.6 m

Classification

Program
exploration
Sample Type
drill
Group ID
COBA-21-01:92.6-98.71
Mining Method
underground

QA/QC

Laboratory
ALS
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2021-08-17T00:00:00.000Z

Dates

Event date
2021-09-28T00:00:00.000Z

Reasoning: This intercept shows a high cobalt grade in an initial exploration hole, contributing to the extension of mineralization. However, the lack of true width and cut-off grade disclosure reduces confidence in the reported interval's representativeness.

Positive factors

  • High cobalt grade for an initial exploration hole
  • Part of a program extending known mineralization

Negative factors

  • True width not disclosed
  • No cut-off grade disclosed

Evidence · table

“0.56”

Context: 6.11

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

COBA-21-01Teresa/Coba SW · copperGrade: 2.9Grade Unit: %Intercept: 4.47 mView all details
Link to this fact

Identity

Hole ID
COBA-21-01
Project
Teresa/Coba SW
Commodity
copper
Region
chile
Reported Region
chile
Ticker
STUV

Geometry

Grade
2.9
Grade Unit
%
Intercept
4.47 m
From
93.25 m
To
97.72 m
Intercept Depth
93.25 m

Classification

Program
exploration
Sample Type
drill
Group ID
COBA-21-01:93.25-97.72
Mining Method
underground

QA/QC

Laboratory
ALS
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2021-09-28T00:00:00.000Z

Reasoning: This included intercept shows an exceptional copper grade, indicating a high-grade core within the broader mineralized zone. The lack of true width and cut-off grade disclosure remains a negative factor.

Positive factors

  • Exceptional copper grade within a broader mineralized zone
  • Confirms high-grade core within the intercept

Negative factors

  • True width not disclosed
  • No cut-off grade disclosed

Evidence · table

“2.9”

Context: 4.47

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

COBA-21-01Teresa/Coba SW · goldGrade: 5.37Grade Unit: g/tIntercept: 4.47 mView all details
Link to this fact

Identity

Hole ID
COBA-21-01
Project
Teresa/Coba SW
Commodity
gold
Region
chile
Reported Region
chile
Ticker
STUV

Geometry

Grade
5.37
Grade Unit
g/t
Intercept
4.47 m
From
93.25 m
To
97.72 m
Intercept Depth
93.25 m

Classification

Program
exploration
Sample Type
drill
Group ID
COBA-21-01:93.25-97.72
Mining Method
underground

QA/QC

Laboratory
ALS
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2021-09-28T00:00:00.000Z

Reasoning: This included intercept shows an exceptional gold grade, indicating a high-grade core within the broader mineralized zone. The lack of true width and cut-off grade disclosure remains a negative factor.

Positive factors

  • Exceptional gold grade within a broader mineralized zone
  • Confirms high-grade core within the intercept

Negative factors

  • True width not disclosed
  • No cut-off grade disclosed

Evidence · table

“5.37”

Context: 4.47

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

COBA-21-01Teresa/Coba SW · silverGrade: 34.4Grade Unit: g/tIntercept: 4.47 mView all details
Link to this fact

Identity

Hole ID
COBA-21-01
Project
Teresa/Coba SW
Commodity
silver
Region
chile
Reported Region
chile
Ticker
STUV

Geometry

Grade
34.4
Grade Unit
g/t
Intercept
4.47 m
From
93.25 m
To
97.72 m
Intercept Depth
93.25 m

Classification

Program
exploration
Sample Type
drill
Group ID
COBA-21-01:93.25-97.72
Mining Method
underground

QA/QC

Laboratory
ALS
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2021-09-28T00:00:00.000Z

Reasoning: This included intercept shows a moderate silver grade, indicating a high-grade core within the broader mineralized zone. The lack of true width and cut-off grade disclosure remains a negative factor.

Positive factors

  • Moderate silver grade within a broader mineralized zone
  • Confirms high-grade core within the intercept

Negative factors

  • True width not disclosed
  • No cut-off grade disclosed

Evidence · table

“34.4”

Context: 4.47

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

COBA-21-01Teresa/Coba SW · cobaltGrade: 0.61Grade Unit: %Intercept: 4.47 mView all details
Link to this fact

Identity

Hole ID
COBA-21-01
Project
Teresa/Coba SW
Commodity
cobalt
Region
chile
Reported Region
chile
Ticker
STUV

Geometry

Grade
0.61
Grade Unit
%
Intercept
4.47 m
From
93.25 m
To
97.72 m
Intercept Depth
93.25 m

Classification

Program
exploration
Sample Type
drill
Group ID
COBA-21-01:93.25-97.72
Mining Method
underground

QA/QC

Laboratory
ALS
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2021-09-28T00:00:00.000Z

Reasoning: This included intercept shows a high cobalt grade, indicating a high-grade core within the broader mineralized zone. The lack of true width and cut-off grade disclosure remains a negative factor.

Positive factors

  • High cobalt grade within a broader mineralized zone
  • Confirms high-grade core within the intercept

Negative factors

  • True width not disclosed
  • No cut-off grade disclosed

Evidence · table

“0.61”

Context: 4.47

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

COBA-21-04Teresa/Coba SW · copperGrade: 1.96Grade Unit: %Intercept: 14.7 mView all details
Link to this fact

Identity

Hole ID
COBA-21-04
Project
Teresa/Coba SW
Commodity
copper
Region
chile
Reported Region
chile
Ticker
STUV

Geometry

Grade
1.96
Grade Unit
%
Intercept
14.7 m
From
100.3 m
To
115 m
Intercept Depth
100.3 m

Classification

Program
exploration
Sample Type
drill
Group ID
COBA-21-04:100.3-115
Mining Method
underground

QA/QC

Laboratory
ALS
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2021-09-28T00:00:00.000Z

Reasoning: This intercept shows a strong copper grade over a significant width in an initial exploration hole, contributing to the extension of mineralization. However, the lack of true width and cut-off grade disclosure reduces confidence in the reported interval's representativeness.

Positive factors

  • Strong copper grade over a significant width for an initial exploration hole
  • Part of a program extending known mineralization

Negative factors

  • True width not disclosed
  • No cut-off grade disclosed

Evidence · table

“1.96”

Context: 14.7

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

COBA-21-04Teresa/Coba SW · goldGrade: 2.46Grade Unit: g/tIntercept: 14.7 mView all details
Link to this fact

Identity

Hole ID
COBA-21-04
Project
Teresa/Coba SW
Commodity
gold
Region
chile
Reported Region
chile
Ticker
STUV

Geometry

Grade
2.46
Grade Unit
g/t
Intercept
14.7 m
From
100.3 m
To
115 m
Intercept Depth
100.3 m

Classification

Program
exploration
Sample Type
drill
Group ID
COBA-21-04:100.3-115
Mining Method
underground

QA/QC

Laboratory
ALS
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2021-09-28T00:00:00.000Z

Reasoning: This intercept shows a strong gold grade over a significant width in an initial exploration hole, contributing to the extension of mineralization. However, the lack of true width and cut-off grade disclosure reduces confidence in the reported interval's representativeness.

Positive factors

  • Strong gold grade over a significant width for an initial exploration hole
  • Part of a program extending known mineralization

Negative factors

  • True width not disclosed
  • No cut-off grade disclosed

Evidence · table

“2.46”

Context: 14.7

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

COBA-21-04Teresa/Coba SW · silverGrade: 5.6Grade Unit: g/tIntercept: 14.7 mView all details
Link to this fact

Identity

Hole ID
COBA-21-04
Project
Teresa/Coba SW
Commodity
silver
Region
chile
Reported Region
chile
Ticker
STUV

Geometry

Grade
5.6
Grade Unit
g/t
Intercept
14.7 m
From
100.3 m
To
115 m
Intercept Depth
100.3 m

Classification

Program
exploration
Sample Type
drill
Group ID
COBA-21-04:100.3-115
Mining Method
underground

QA/QC

Laboratory
ALS
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2021-09-28T00:00:00.000Z

Reasoning: This intercept shows a moderate silver grade over a significant width in an initial exploration hole, contributing to the extension of mineralization. However, the lack of true width and cut-off grade disclosure reduces confidence in the reported interval's representativeness.

Positive factors

  • Moderate silver grade over a significant width for an initial exploration hole
  • Part of a program extending known mineralization

Negative factors

  • True width not disclosed
  • No cut-off grade disclosed

Evidence · table

“5.6”

Context: 14.7

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

COBA-21-04Teresa/Coba SW · cobaltGrade: 0.1Grade Unit: %Intercept: 14.7 mView all details
Link to this fact

Identity

Hole ID
COBA-21-04
Project
Teresa/Coba SW
Commodity
cobalt
Region
chile
Reported Region
chile
Ticker
STUV

Geometry

Grade
0.1
Grade Unit
%
Intercept
14.7 m
From
100.3 m
To
115 m
Intercept Depth
100.3 m

Classification

Program
exploration
Sample Type
drill
Group ID
COBA-21-04:100.3-115
Mining Method
underground

QA/QC

Laboratory
ALS
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2021-09-28T00:00:00.000Z

Reasoning: This intercept shows a moderate cobalt grade over a significant width in an initial exploration hole, contributing to the extension of mineralization. However, the lack of true width and cut-off grade disclosure reduces confidence in the reported interval's representativeness.

Positive factors

  • Moderate cobalt grade over a significant width for an initial exploration hole
  • Part of a program extending known mineralization

Negative factors

  • True width not disclosed
  • No cut-off grade disclosed

Evidence · table

“0.10”

Context: 14.7

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

COBA-21-04Teresa/Coba SW · copperGrade: 3.42Grade Unit: %Intercept: 7.32 mView all details
Link to this fact

Identity

Hole ID
COBA-21-04
Project
Teresa/Coba SW
Commodity
copper
Region
chile
Reported Region
chile
Ticker
STUV

Geometry

Grade
3.42
Grade Unit
%
Intercept
7.32 m
From
106.38 m
To
113.7 m
Intercept Depth
106.38 m

Classification

Program
exploration
Sample Type
drill
Group ID
COBA-21-04:106.38-113.7
Mining Method
underground

QA/QC

Laboratory
ALS
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2021-09-28T00:00:00.000Z

Reasoning: This included intercept shows an exceptional copper grade, indicating a high-grade core within the broader mineralized zone. The lack of true width and cut-off grade disclosure remains a negative factor.

Positive factors

  • Exceptional copper grade within a broader mineralized zone
  • Confirms high-grade core within the intercept

Negative factors

  • True width not disclosed
  • No cut-off grade disclosed

Evidence · table

“3.42”

Context: 7.32

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

COBA-21-04Teresa/Coba SW · goldGrade: 4.98Grade Unit: g/tIntercept: 7.32 mView all details
Link to this fact

Identity

Hole ID
COBA-21-04
Project
Teresa/Coba SW
Commodity
gold
Region
chile
Reported Region
chile
Ticker
STUV

Geometry

Grade
4.98
Grade Unit
g/t
Intercept
7.32 m
From
106.38 m
To
113.7 m
Intercept Depth
106.38 m

Classification

Program
exploration
Sample Type
drill
Group ID
COBA-21-04:106.38-113.7
Mining Method
underground

QA/QC

Laboratory
ALS
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2021-09-28T00:00:00.000Z

Reasoning: This included intercept shows a strong gold grade, indicating a high-grade core within the broader mineralized zone. The lack of true width and cut-off grade disclosure remains a negative factor.

Positive factors

  • Strong gold grade within a broader mineralized zone
  • Confirms high-grade core within the intercept

Negative factors

  • True width not disclosed
  • No cut-off grade disclosed

Evidence · table

“4.98”

Context: 7.32

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

COBA-21-04Teresa/Coba SW · silverGrade: 9.7Grade Unit: g/tIntercept: 7.32 mView all details
Link to this fact

Identity

Hole ID
COBA-21-04
Project
Teresa/Coba SW
Commodity
silver
Region
chile
Reported Region
chile
Ticker
STUV

Geometry

Grade
9.7
Grade Unit
g/t
Intercept
7.32 m
From
106.38 m
To
113.7 m
Intercept Depth
106.38 m

Classification

Program
exploration
Sample Type
drill
Group ID
COBA-21-04:106.38-113.7
Mining Method
underground

QA/QC

Laboratory
ALS
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2021-09-28T00:00:00.000Z

Reasoning: This included intercept shows a moderate silver grade, indicating a high-grade core within the broader mineralized zone. The lack of true width and cut-off grade disclosure remains a negative factor.

Positive factors

  • Moderate silver grade within a broader mineralized zone
  • Confirms high-grade core within the intercept

Negative factors

  • True width not disclosed
  • No cut-off grade disclosed

Evidence · table

“9.7”

Context: 7.32

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

COBA-21-04Teresa/Coba SW · cobaltGrade: 0.12Grade Unit: %Intercept: 7.32 mView all details
Link to this fact

Identity

Hole ID
COBA-21-04
Project
Teresa/Coba SW
Commodity
cobalt
Region
chile
Reported Region
chile
Ticker
STUV

Geometry

Grade
0.12
Grade Unit
%
Intercept
7.32 m
From
106.38 m
To
113.7 m
Intercept Depth
106.38 m

Classification

Program
exploration
Sample Type
drill
Group ID
COBA-21-04:106.38-113.7
Mining Method
underground

QA/QC

Laboratory
ALS
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2021-09-28T00:00:00.000Z

Reasoning: This included intercept shows a moderate cobalt grade, indicating a high-grade core within the broader mineralized zone. The lack of true width and cut-off grade disclosure remains a negative factor.

Positive factors

  • Moderate cobalt grade within a broader mineralized zone
  • Confirms high-grade core within the intercept

Negative factors

  • True width not disclosed
  • No cut-off grade disclosed

Evidence · table

“0.12”

Context: 7.32

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

COBA-21-07The objectives of this program were to better understand previously worked sections of the Teresa vein · copperGrade: 1.4Grade Unit: %Intercept: 4.71 mView all details
Link to this fact

Identity

Hole ID
COBA-21-07
Project
The objectives of this program were to better understand previously worked sections of the Teresa vein
Commodity
copper
Region
chile
Reported Region
chile
Ticker
STUV

Geometry

Grade
1.4
Grade Unit
%
Intercept
4.71 m
From
174.49 m
To
179.2 m
Intercept Depth
174.49 m

Classification

Program
exploration
Sample Type
drill
Group ID
COBA-21-07:174.49-179.2
Mining Method
underground

QA/QC

Laboratory
ALS
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2021-09-28T00:00:00.000Z

Reasoning: This intercept shows a strong copper grade in an initial exploration hole, contributing to the extension of mineralization. However, the lack of true width and cut-off grade disclosure reduces confidence in the reported interval's representativeness.

Positive factors

  • Strong copper grade for an initial exploration hole
  • Part of a program extending known mineralization

Negative factors

  • True width not disclosed
  • No cut-off grade disclosed

Evidence · table

“1.4”

Context: 4.71

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

COBA-21-07The objectives of this program were to better understand previously worked sections of the Teresa vein · goldGrade: 5.27Grade Unit: g/tIntercept: 4.71 mView all details
Link to this fact

Identity

Hole ID
COBA-21-07
Project
The objectives of this program were to better understand previously worked sections of the Teresa vein
Commodity
gold
Region
chile
Reported Region
chile
Ticker
STUV

Geometry

Grade
5.27
Grade Unit
g/t
Intercept
4.71 m
From
174.49 m
To
179.2 m
Intercept Depth
174.49 m

Classification

Program
exploration
Sample Type
drill
Group ID
COBA-21-07:174.49-179.2
Mining Method
underground

QA/QC

Laboratory
ALS
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2021-09-28T00:00:00.000Z

Reasoning: This intercept shows an exceptional gold grade in an initial exploration hole, contributing to the extension of mineralization. However, the lack of true width and cut-off grade disclosure reduces confidence in the reported interval's representativeness.

Positive factors

  • Exceptional gold grade for an initial exploration hole
  • Part of a program extending known mineralization

Negative factors

  • True width not disclosed
  • No cut-off grade disclosed

Evidence · table

“5.27”

Context: 4.71

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

COBA-21-07The objectives of this program were to better understand previously worked sections of the Teresa vein · silverGrade: 2.4Grade Unit: g/tIntercept: 4.71 mView all details
Link to this fact

Identity

Hole ID
COBA-21-07
Project
The objectives of this program were to better understand previously worked sections of the Teresa vein
Commodity
silver
Region
chile
Reported Region
chile
Ticker
STUV

Geometry

Grade
2.4
Grade Unit
g/t
Intercept
4.71 m
From
174.49 m
To
179.2 m
Intercept Depth
174.49 m

Classification

Program
exploration
Sample Type
drill
Group ID
COBA-21-07:174.49-179.2
Mining Method
underground

QA/QC

Laboratory
ALS
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2021-09-28T00:00:00.000Z

Reasoning: This intercept shows a weak silver grade in an initial exploration hole, contributing to the extension of mineralization. However, the low grade, lack of true width, and cut-off grade disclosure reduce confidence.

Positive factors

  • Part of a program extending known mineralization

Negative factors

  • Weak silver grade for an initial exploration hole
  • True width not disclosed
  • No cut-off grade disclosed

Evidence · table

“2.4”

Context: 4.71

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

COBA-21-07The objectives of this program were to better understand previously worked sections of the Teresa vein · cobaltGrade: 0.35Grade Unit: %Intercept: 4.71 mView all details
Link to this fact

Identity

Hole ID
COBA-21-07
Project
The objectives of this program were to better understand previously worked sections of the Teresa vein
Commodity
cobalt
Region
chile
Reported Region
chile
Ticker
STUV

Geometry

Grade
0.35
Grade Unit
%
Intercept
4.71 m
From
174.49 m
To
179.2 m
Intercept Depth
174.49 m

Classification

Program
exploration
Sample Type
drill
Group ID
COBA-21-07:174.49-179.2
Mining Method
underground

QA/QC

Laboratory
ALS
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2021-09-28T00:00:00.000Z

Reasoning: This intercept shows a high cobalt grade in an initial exploration hole, contributing to the extension of mineralization. However, the lack of true width and cut-off grade disclosure reduces confidence in the reported interval's representativeness.

Positive factors

  • High cobalt grade for an initial exploration hole
  • Part of a program extending known mineralization

Negative factors

  • True width not disclosed
  • No cut-off grade disclosed

Evidence · table

“0.35”

Context: 4.71

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

COBA-21-07The objectives of this program were to better understand previously worked sections of the Teresa vein · copperGrade: 1.72Grade Unit: %Intercept: 3.6 mView all details
Link to this fact

Identity

Hole ID
COBA-21-07
Project
The objectives of this program were to better understand previously worked sections of the Teresa vein
Commodity
copper
Region
chile
Reported Region
chile
Ticker
STUV

Geometry

Grade
1.72
Grade Unit
%
Intercept
3.6 m
From
174.9 m
To
178.5 m
Intercept Depth
174.9 m

Classification

Program
exploration
Sample Type
drill
Group ID
COBA-21-07:174.9-178.5
Mining Method
underground

QA/QC

Laboratory
ALS
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2021-09-28T00:00:00.000Z

Reasoning: This included intercept shows a strong copper grade, indicating a high-grade core within the broader mineralized zone. The lack of true width and cut-off grade disclosure remains a negative factor.

Positive factors

  • Strong copper grade within a broader mineralized zone
  • Confirms high-grade core within the intercept

Negative factors

  • True width not disclosed
  • No cut-off grade disclosed

Evidence · table

“1.72”

Context: 3.6

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

COBA-21-07The objectives of this program were to better understand previously worked sections of the Teresa vein · goldGrade: 6.66Grade Unit: g/tIntercept: 3.6 mView all details
Link to this fact

Identity

Hole ID
COBA-21-07
Project
The objectives of this program were to better understand previously worked sections of the Teresa vein
Commodity
gold
Region
chile
Reported Region
chile
Ticker
STUV

Geometry

Grade
6.66
Grade Unit
g/t
Intercept
3.6 m
From
174.9 m
To
178.5 m
Intercept Depth
174.9 m

Classification

Program
exploration
Sample Type
drill
Group ID
COBA-21-07:174.9-178.5
Mining Method
underground

QA/QC

Laboratory
ALS
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2021-09-28T00:00:00.000Z

Reasoning: This included intercept shows an exceptional gold grade, indicating a high-grade core within the broader mineralized zone. The lack of true width and cut-off grade disclosure remains a negative factor.

Positive factors

  • Exceptional gold grade within a broader mineralized zone
  • Confirms high-grade core within the intercept

Negative factors

  • True width not disclosed
  • No cut-off grade disclosed

Evidence · table

“6.66”

Context: 3.6

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

COBA-21-07The objectives of this program were to better understand previously worked sections of the Teresa vein · silverGrade: 2.7Grade Unit: g/tIntercept: 3.6 mView all details
Link to this fact

Identity

Hole ID
COBA-21-07
Project
The objectives of this program were to better understand previously worked sections of the Teresa vein
Commodity
silver
Region
chile
Reported Region
chile
Ticker
STUV

Geometry

Grade
2.7
Grade Unit
g/t
Intercept
3.6 m
From
174.9 m
To
178.5 m
Intercept Depth
174.9 m

Classification

Program
exploration
Sample Type
drill
Group ID
COBA-21-07:174.9-178.5
Mining Method
underground

QA/QC

Laboratory
ALS
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2021-09-28T00:00:00.000Z

Reasoning: This included intercept shows a weak silver grade, indicating a high-grade core within the broader mineralized zone. The low grade, lack of true width, and cut-off grade disclosure remain negative factors.

Positive factors

  • Confirms high-grade core within the intercept

Negative factors

  • Weak silver grade within a broader mineralized zone
  • True width not disclosed
  • No cut-off grade disclosed

Evidence · table

“2.7”

Context: 3.6

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

COBA-21-07The objectives of this program were to better understand previously worked sections of the Teresa vein · cobaltGrade: 0.45Grade Unit: %Intercept: 3.6 mView all details
Link to this fact

Identity

Hole ID
COBA-21-07
Project
The objectives of this program were to better understand previously worked sections of the Teresa vein
Commodity
cobalt
Region
chile
Reported Region
chile
Ticker
STUV

Geometry

Grade
0.45
Grade Unit
%
Intercept
3.6 m
From
174.9 m
To
178.5 m
Intercept Depth
174.9 m

Classification

Program
exploration
Sample Type
drill
Group ID
COBA-21-07:174.9-178.5
Mining Method
underground

QA/QC

Laboratory
ALS
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2021-09-28T00:00:00.000Z

Reasoning: This included intercept shows a high cobalt grade, indicating a high-grade core within the broader mineralized zone. The lack of true width and cut-off grade disclosure remains a negative factor.

Positive factors

  • High cobalt grade within a broader mineralized zone
  • Confirms high-grade core within the intercept

Negative factors

  • True width not disclosed
  • No cut-off grade disclosed

Evidence · table

“0.45”

Context: 3.6

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

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.