Corvus Gold Continues Expansion of YellowJacket Deposit at Swale Target, North Bullfrog Project, Nevada

Original announcement by tmx on

Company
Corvus Gold Inc.
Ticker
KOR
Exchange
TSX
Region
Nevada
Primary commodity
Gold
Secondary commodities
Silver
Document categories
Drill results, Resource update
Extracted
2026-09-16 07:45:41 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Corvus Gold announced new drill results from its North Bullfrog Project in Nevada, extending the YellowJacket Zone by 250 metres to the north and identifying new targets at the Black Vein and Lower Savage areas. The drilling returned wide intercepts of gold and silver mineralization, with the highest gold grade of 2.24 g/t over 3.05 metres and a notable 153.92-metre intercept at 0.54 g/t gold. The company also reiterated its existing NI 43-101 compliant mineral resource estimates for both mill and heap leach processing at the project.

Reasoning: The drill results indicate a significant expansion of the YellowJacket system and the identification of new targets, which is positive for the project's overall scale and potential. While grades are generally lower than historical high-grade intercepts, the wide intervals suggest bulk-tonnage potential. The lack of true width reporting and one barren hole are minor drawbacks against the overall positive exploration progress.

Positive factors

  • Significant step-out extensions of mineralization at the YellowJacket Zone, expanding the known footprint by 250 metres.
  • Identification of new prospective targets like the Liberator structural zone with potential for significant tonnage.
  • Wide intercepts of gold and silver mineralization, indicating bulk-tonnage potential.
  • Good QA/QC disclosure and certified laboratory used, enhancing data reliability.
  • Holes ending in mineralization suggest further continuity at depth or along strike.

Negative factors

  • Grades are generally lower than previous high-grade intercepts reported for the project, particularly for gold and silver.
  • True widths are not reported, which may overstate apparent intercept lengths.
  • One hole (NB-16-307) returned no significant results.

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

Facts used in scoring: 14

Extracted facts

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

Drill Results (14)

NB-16-304YellowJacket structural North · goldGrade: 0.3Grade Unit: g/tIntercept: 62.48 mView all details
Link to this fact

Identity

Hole ID
NB-16-304
Project
YellowJacket structural North
Commodity
gold
Region
usa_nv
Reported Region
usa_nv
Ticker
KOR

Geometry

Grade
0.3
Grade Unit
g/t
Intercept
62.48 m
From
211.84 m
To
274.32 m
Intercept Depth
211.84 m

Classification

Program
exploration
Sample Type
drill
Group ID
NB-16-304:211.84-274.32
Mining Method
open_pit

Location

Location
Swale Target
Azimuth
85 °
Dip
-50 °
Loc. Source
document

QA/QC

Laboratory
ALS Chemex
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2016-08-02T00:00:00.000Z

Reasoning: This intercept shows a wide zone of gold mineralization, which is positive for bulk-tonnage potential and extends the known system, despite the grade being below the project average. The hole ending in mineralization is also a positive indicator for continuity.

Positive factors

  • Wide intercept of gold mineralization, indicating bulk-tonnage potential.
  • Hole ended in mineralization, suggesting further continuity.

Negative factors

  • Gold grade is below the project average (3.507 g/t Au).
  • True width not reported.

Evidence · table

“0.30”

Context: 62.48

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

NB-16-304YellowJacket structural North · silverGrade: 1.09Grade Unit: g/tIntercept: 62.48 mView all details
Link to this fact

Identity

Hole ID
NB-16-304
Project
YellowJacket structural North
Commodity
silver
Region
usa_nv
Reported Region
usa_nv
Ticker
KOR

Geometry

Grade
1.09
Grade Unit
g/t
Intercept
62.48 m
From
211.84 m
To
274.32 m
Intercept Depth
211.84 m

Classification

Program
exploration
Sample Type
drill
Group ID
NB-16-304:211.84-274.32
Mining Method
open_pit

Location

Location
Swale Target
Azimuth
85 °
Dip
-50 °
Loc. Source
document

QA/QC

Laboratory
ALS Chemex
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2016-08-02T00:00:00.000Z

Reasoning: This wide silver intercept contributes to the overall bulk-tonnage potential and extension of the system, but the grade is very low compared to historical project averages.

Positive factors

  • Wide intercept of silver mineralization, indicating bulk-tonnage potential.
  • Hole ended in mineralization, suggesting further continuity.

Negative factors

  • Silver grade is significantly below the project average (74.533 g/t Ag).
  • True width not reported.

Evidence · table

“1.09”

Context: 62.48

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

NB-16-304YellowJacket structural North · goldGrade: 0.68Grade Unit: g/tIntercept: 6.1 mView all details
Link to this fact

Identity

Hole ID
NB-16-304
Project
YellowJacket structural North
Commodity
gold
Region
usa_nv
Reported Region
usa_nv
Ticker
KOR

Geometry

Grade
0.68
Grade Unit
g/t
Intercept
6.1 m
From
213.36 m
To
219.46 m
Intercept Depth
211.84 m

Classification

Program
exploration
Sample Type
drill
Group ID
NB-16-304:213.36-219.46
Mining Method
open_pit

Location

Location
Swale Target
Azimuth
85 °
Dip
-50 °
Loc. Source
document

QA/QC

Laboratory
ALS Chemex
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Compositing

Cutoff Grade
0.5
Cutoff Unit
g/t Au

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2016-08-02T00:00:00.000Z

Reasoning: This sub-interval shows a moderate gold grade within the broader low-grade zone, which is a positive indicator of localized mineralization, though still below the project's historical average.

Positive factors

  • Higher-grade sub-interval within a broader zone, indicating localized enrichment.

Negative factors

  • Gold grade is below the project average (3.507 g/t Au).
  • True width not reported.

Evidence · table

“0.68”

Context: 6.1

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

NB-16-304YellowJacket structural North · silverGrade: 2.37Grade Unit: g/tIntercept: 6.1 mView all details
Link to this fact

Identity

Hole ID
NB-16-304
Project
YellowJacket structural North
Commodity
silver
Region
usa_nv
Reported Region
usa_nv
Ticker
KOR

Geometry

Grade
2.37
Grade Unit
g/t
Intercept
6.1 m
From
213.36 m
To
219.46 m
Intercept Depth
211.84 m

Classification

Program
exploration
Sample Type
drill
Group ID
NB-16-304:213.36-219.46
Mining Method
open_pit

Location

Location
Swale Target
Azimuth
85 °
Dip
-50 °
Loc. Source
document

QA/QC

Laboratory
ALS Chemex
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Compositing

Cutoff Grade
0.5
Cutoff Unit
g/t Au

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2016-08-02T00:00:00.000Z

Reasoning: This sub-interval shows a low silver grade within the broader low-grade zone, which is not particularly material compared to historical project averages.

Positive factors

  • Higher-grade sub-interval within a broader zone.

Negative factors

  • Silver grade is significantly below the project average (74.533 g/t Ag).
  • True width not reported.

Evidence · table

“2.37”

Context: 6.1

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

NB-16-304YellowJacket structural North · goldGrade: 0.62Grade Unit: g/tIntercept: 1.52 mView all details
Link to this fact

Identity

Hole ID
NB-16-304
Project
YellowJacket structural North
Commodity
gold
Region
usa_nv
Reported Region
usa_nv
Ticker
KOR

Geometry

Grade
0.62
Grade Unit
g/t
Intercept
1.52 m
From
259.08 m
To
260.6 m
Intercept Depth
211.84 m

Classification

Program
exploration
Sample Type
drill
Group ID
NB-16-304:259.08-260.6
Mining Method
open_pit

Location

Location
Swale Target
Azimuth
85 °
Dip
-50 °
Loc. Source
document

QA/QC

Laboratory
ALS Chemex
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Compositing

Cutoff Grade
0.5
Cutoff Unit
g/t Au

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2016-08-02T00:00:00.000Z

Reasoning: This narrow sub-interval shows a moderate gold grade, contributing to the overall mineralization but not highly material on its own.

Positive factors

  • Higher-grade sub-interval within a broader zone.

Negative factors

  • Gold grade is below the project average (3.507 g/t Au).
  • Narrow intercept length.
  • True width not reported.

Evidence · table

“0.62”

Context: 1.52

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

NB-16-304YellowJacket structural North · silverGrade: 1.46Grade Unit: g/tIntercept: 1.52 mView all details
Link to this fact

Identity

Hole ID
NB-16-304
Project
YellowJacket structural North
Commodity
silver
Region
usa_nv
Reported Region
usa_nv
Ticker
KOR

Geometry

Grade
1.46
Grade Unit
g/t
Intercept
1.52 m
From
259.08 m
To
260.6 m
Intercept Depth
211.84 m

Classification

Program
exploration
Sample Type
drill
Group ID
NB-16-304:259.08-260.6
Mining Method
open_pit

Location

Location
Swale Target
Azimuth
85 °
Dip
-50 °
Loc. Source
document

QA/QC

Laboratory
ALS Chemex
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Compositing

Cutoff Grade
0.5
Cutoff Unit
g/t Au

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2016-08-02T00:00:00.000Z

Reasoning: This narrow sub-interval shows a very low silver grade, contributing minimally to the overall mineralization.

Negative factors

  • Silver grade is significantly below the project average (74.533 g/t Ag).
  • Narrow intercept length.
  • True width not reported.

Evidence · table

“1.46”

Context: 1.52

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

NB-16-305North Bullfrog · goldGrade: 0.17Grade Unit: g/tIntercept: 36.58 mView all details
Link to this fact

Identity

Hole ID
NB-16-305
Project
North Bullfrog
Commodity
gold
Region
usa_nv
Reported Region
usa_nv
Ticker
KOR

Geometry

Grade
0.17
Grade Unit
g/t
Intercept
36.58 m
From
153.92 m
To
190.5 m
Intercept Depth
153.92 m

Classification

Program
exploration
Sample Type
drill
Group ID
NB-16-305:153.92-190.5
Mining Method
open_pit

Location

Location
Swale Target
Azimuth
85 °
Dip
-50 °
Loc. Source
document

QA/QC

Laboratory
ALS Chemex
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2016-08-02T00:00:00.000Z

Reasoning: This wide intercept of very low-grade gold contributes to the overall mineralized footprint but is not highly material on its own.

Positive factors

  • Wide intercept of gold mineralization, contributing to bulk-tonnage potential.

Negative factors

  • Gold grade is significantly below the project average (3.507 g/t Au).
  • True width not reported.

Evidence · table

“0.17”

Context: 36.58

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

NB-16-305North Bullfrog · silverGrade: 0.85Grade Unit: g/tIntercept: 36.58 mView all details
Link to this fact

Identity

Hole ID
NB-16-305
Project
North Bullfrog
Commodity
silver
Region
usa_nv
Reported Region
usa_nv
Ticker
KOR

Geometry

Grade
0.85
Grade Unit
g/t
Intercept
36.58 m
From
153.92 m
To
190.5 m
Intercept Depth
153.92 m

Classification

Program
exploration
Sample Type
drill
Group ID
NB-16-305:153.92-190.5
Mining Method
open_pit

Location

Location
Swale Target
Azimuth
85 °
Dip
-50 °
Loc. Source
document

QA/QC

Laboratory
ALS Chemex
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2016-08-02T00:00:00.000Z

Reasoning: This wide intercept of very low-grade silver contributes to the overall mineralized footprint but is not highly material on its own.

Positive factors

  • Wide intercept of silver mineralization.

Negative factors

  • Silver grade is significantly below the project average (74.533 g/t Ag).
  • True width not reported.

Evidence · table

“0.85”

Context: 36.58

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

NB-16-305North Bullfrog · goldGrade: 0.22Grade Unit: g/tIntercept: 85.35 mView all details
Link to this fact

Identity

Hole ID
NB-16-305
Project
North Bullfrog
Commodity
gold
Region
usa_nv
Reported Region
usa_nv
Ticker
KOR

Geometry

Grade
0.22
Grade Unit
g/t
Intercept
85.35 m
From
202.69 m
To
288.04 m
Intercept Depth
153.92 m

Classification

Program
exploration
Sample Type
drill
Group ID
NB-16-305:202.69-288.04
Mining Method
open_pit

Location

Location
Swale Target
Azimuth
85 °
Dip
-50 °
Loc. Source
document

QA/QC

Laboratory
ALS Chemex
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2016-08-02T00:00:00.000Z

Reasoning: This very wide intercept of low-grade gold is positive for expanding the mineralized footprint and bulk-tonnage potential, with the hole ending in mineralization suggesting further continuity.

Positive factors

  • Very wide intercept of gold mineralization, indicating significant bulk-tonnage potential.
  • Hole ended in mineralization, suggesting further continuity.

Negative factors

  • Gold grade is significantly below the project average (3.507 g/t Au).
  • True width not reported.

Evidence · table

“0.22”

Context: 85.35

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

NB-16-305North Bullfrog · silverGrade: 0.77Grade Unit: g/tIntercept: 85.35 mView all details
Link to this fact

Identity

Hole ID
NB-16-305
Project
North Bullfrog
Commodity
silver
Region
usa_nv
Reported Region
usa_nv
Ticker
KOR

Geometry

Grade
0.77
Grade Unit
g/t
Intercept
85.35 m
From
202.69 m
To
288.04 m
Intercept Depth
153.92 m

Classification

Program
exploration
Sample Type
drill
Group ID
NB-16-305:202.69-288.04
Mining Method
open_pit

Location

Location
Swale Target
Azimuth
85 °
Dip
-50 °
Loc. Source
document

QA/QC

Laboratory
ALS Chemex
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2016-08-02T00:00:00.000Z

Reasoning: This very wide intercept of very low-grade silver contributes to the overall mineralized footprint and continuity, but is not highly material on its own.

Positive factors

  • Very wide intercept of silver mineralization.
  • Hole ended in mineralization, suggesting further continuity.

Negative factors

  • Silver grade is significantly below the project average (74.533 g/t Ag).
  • True width not reported.

Evidence · table

“0.77”

Context: 85.35

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

NB-16-308North Bullfrog · goldGrade: 0.31Grade Unit: g/tIntercept: 54.86 mView all details
Link to this fact

Identity

Hole ID
NB-16-308
Project
North Bullfrog
Commodity
gold
Region
usa_nv
Reported Region
usa_nv
Ticker
KOR

Geometry

Grade
0.31
Grade Unit
g/t
Intercept
54.86 m
From
152.4 m
To
207.26 m
Intercept Depth
152.4 m

Classification

Program
exploration
Sample Type
drill
Group ID
NB-16-308:152.4-207.26
Mining Method
open_pit

Location

Location
Swale Target
Azimuth
60 °
Dip
-65 °
Loc. Source
document

QA/QC

Laboratory
ALS Chemex
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2016-08-02T00:00:00.000Z

Reasoning: This wide intercept of low-grade gold is positive for expanding the mineralized footprint and bulk-tonnage potential.

Positive factors

  • Wide intercept of gold mineralization, contributing to bulk-tonnage potential.

Negative factors

  • Gold grade is significantly below the project average (3.507 g/t Au).
  • True width not reported.

Evidence · table

“0.31”

Context: 54.86

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

NB-16-308North Bullfrog · silverGrade: 0.93Grade Unit: g/tIntercept: 54.86 mView all details
Link to this fact

Identity

Hole ID
NB-16-308
Project
North Bullfrog
Commodity
silver
Region
usa_nv
Reported Region
usa_nv
Ticker
KOR

Geometry

Grade
0.93
Grade Unit
g/t
Intercept
54.86 m
From
152.4 m
To
207.26 m
Intercept Depth
152.4 m

Classification

Program
exploration
Sample Type
drill
Group ID
NB-16-308:152.4-207.26
Mining Method
open_pit

Location

Location
Swale Target
Azimuth
60 °
Dip
-65 °
Loc. Source
document

QA/QC

Laboratory
ALS Chemex
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2016-08-02T00:00:00.000Z

Reasoning: This wide intercept of very low-grade silver contributes to the overall mineralized footprint but is not highly material on its own.

Positive factors

  • Wide intercept of silver mineralization.

Negative factors

  • Silver grade is significantly below the project average (74.533 g/t Ag).
  • True width not reported.

Evidence · table

“0.93”

Context: 54.86

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

NB-16-308North Bullfrog · goldGrade: 0.12Grade Unit: g/tIntercept: 25.9 mView all details
Link to this fact

Identity

Hole ID
NB-16-308
Project
North Bullfrog
Commodity
gold
Region
usa_nv
Reported Region
usa_nv
Ticker
KOR

Geometry

Grade
0.12
Grade Unit
g/t
Intercept
25.9 m
From
211.84 m
To
237.74 m
Intercept Depth
152.4 m

Classification

Program
exploration
Sample Type
drill
Group ID
NB-16-308:211.84-237.74
Mining Method
open_pit

Location

Location
Swale Target
Azimuth
60 °
Dip
-65 °
Loc. Source
document

QA/QC

Laboratory
ALS Chemex
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2016-08-02T00:00:00.000Z

Reasoning: This intercept shows very low-grade gold over a moderate width, contributing to the overall mineralized footprint but not highly material.

Positive factors

  • Moderate width intercept of gold mineralization.

Negative factors

  • Gold grade is significantly below the project average (3.507 g/t Au).
  • True width not reported.

Evidence · table

“0.12”

Context: 25.9

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

NB-16-308North Bullfrog · silverGrade: 0.39Grade Unit: g/tIntercept: 25.9 mView all details
Link to this fact

Identity

Hole ID
NB-16-308
Project
North Bullfrog
Commodity
silver
Region
usa_nv
Reported Region
usa_nv
Ticker
KOR

Geometry

Grade
0.39
Grade Unit
g/t
Intercept
25.9 m
From
211.84 m
To
237.74 m
Intercept Depth
152.4 m

Classification

Program
exploration
Sample Type
drill
Group ID
NB-16-308:211.84-237.74
Mining Method
open_pit

Location

Location
Swale Target
Azimuth
60 °
Dip
-65 °
Loc. Source
document

QA/QC

Laboratory
ALS Chemex
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2016-08-02T00:00:00.000Z

Positive factors

  • Moderate width intercept of silver mineralization.

Negative factors

  • Silver grade is significantly below the project average (74.533 g/t Ag).

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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.