Kootenay Releases First Results from Current Drilling at Columba

Original announcement by tmx on

Company
Kootenay Silver Inc.
Ticker
KTN
Exchange
TSX
Region
Chihuahua, Mexico
Primary commodity
Silver
Secondary commodities
Gold, Lead, Zinc
Document categories
Drill results, Resource update, Other
Extracted
2026-09-18 07:06:26 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Kootenay Silver Inc. announced initial drill results from its Columba High Grade Silver Project in Chihuahua, Mexico, revealing a new porphyry-style gold mineralization discovery in holes CDH-25-217 and CDH-25-218, with several strong to exceptional gold intercepts. The program also extended known high-grade silver mineralization, with numerous intercepts exceeding exceptional thresholds. The company noted extended laboratory turnaround times but confirmed the project is fully funded for the ongoing 50,000-meter drill campaign.

Reasoning: The announcement reports initial drill results from the Columba project, highlighting the discovery of new porphyry-style gold mineralization and extensions of high-grade silver veins. The gold discovery is novel and includes strong to exceptional grades under a porphyry model, adding significant exploration potential. High-grade silver intercepts confirm and extend known mineralization, contributing positively to the project's outlook.

Positive factors

  • Discovery of new porphyry-style gold mineralization with several strong to exceptional gold intercepts
  • High-grade silver intercepts exceeding exceptional thresholds
  • Extension of known silver mineralization
  • Detailed QA/QC procedures disclosed
  • Project fully funded for current drill program
  • True widths estimated and disclosed

Negative factors

  • Long laboratory turnaround times delaying results
  • Cut-off grades for compositing are not disclosed

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

Facts used in scoring: 211

Extracted facts

Stored fact records: 211. Some facts used in scoring do not have a stored record.

Drill Results (210)

CDH-25-212Columba High Grade · silverGrade: 45Grade Unit: g/tIntercept: 1.95 mView all details
Link to this fact

Identity

Hole ID
CDH-25-212
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
45
Grade Unit
g/t
Intercept
1.95 m
True Width
1.49 m
From
14.5 m
To
16.45 m
Intercept Depth
14.5 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-212:14.5-16.45
Mining Method
underground

Location

Location
J Vein-I Vein Exploration
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Moderate silver grade over a narrow interval, contributing to the overall exploration program.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“45”

Context: 1.95

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1.49

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-213Columba High Grade · silverGrade: 85Grade Unit: g/tIntercept: 10.6 mView all details
Link to this fact

Identity

Hole ID
CDH-25-213
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
85
Grade Unit
g/t
Intercept
10.6 m
True Width
5.62 m
From
67.4 m
To
78 m
Intercept Depth
67.4 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-213:67.4-78
Mining Method
underground

Location

Location
HW to I Vein
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Moderate silver grade over a good width, contributing to the extension of known mineralization.

Positive factors

  • Moderate silver grade over a good width
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“85”

Context: 10.60

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 5.62

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-213Columba High Grade · leadGrade: 0.1Grade Unit: %Intercept: 10.6 mView all details
Link to this fact

Identity

Hole ID
CDH-25-213
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
10.6 m
True Width
5.62 m
From
67.4 m
To
78 m
Intercept Depth
67.4 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-213:67.4-78
Mining Method
underground

Location

Location
HW to I Vein
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low lead grade over a good width, contributing as a secondary commodity.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.1”

Context: 10.60

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 5.62

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-213Columba High Grade · zincGrade: 0.1Grade Unit: %Intercept: 10.6 mView all details
Link to this fact

Identity

Hole ID
CDH-25-213
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
10.6 m
True Width
5.62 m
From
67.4 m
To
78 m
Intercept Depth
67.4 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-213:67.4-78
Mining Method
underground

Location

Location
HW to I Vein
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low zinc grade over a good width, contributing as a secondary commodity.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.1”

Context: 10.60

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 5.62

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-213Columba High Grade · silverGrade: 102Grade Unit: g/tIntercept: 8.25 mView all details
Link to this fact

Identity

Hole ID
CDH-25-213
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
102
Grade Unit
g/t
Intercept
8.25 m
True Width
4.37 m
From
68.7 m
To
76.95 m
Intercept Depth
68.7 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-213:68.7-76.95
Mining Method
underground

Location

Location
HW to I Vein
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Moderate silver grade over a good width, included within a larger interval, contributing to the extension of known mineralization.

Positive factors

  • Moderate silver grade over a good width, included within a larger interval
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“102”

Context: 8.25

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 4.37

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-213Columba High Grade · leadGrade: 0.1Grade Unit: %Intercept: 8.25 mView all details
Link to this fact

Identity

Hole ID
CDH-25-213
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
8.25 m
True Width
4.37 m
From
68.7 m
To
76.95 m
Intercept Depth
68.7 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-213:68.7-76.95
Mining Method
underground

Location

Location
HW to I Vein
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low lead grade over a good width, included within a larger interval, contributing as a secondary commodity.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.1”

Context: 8.25

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 4.37

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-213Columba High Grade · zincGrade: 0.1Grade Unit: %Intercept: 8.25 mView all details
Link to this fact

Identity

Hole ID
CDH-25-213
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
8.25 m
True Width
4.37 m
From
68.7 m
To
76.95 m
Intercept Depth
68.7 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-213:68.7-76.95
Mining Method
underground

Location

Location
HW to I Vein
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low zinc grade over a good width, included within a larger interval, contributing as a secondary commodity.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.1”

Context: 8.25

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 4.37

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-213Columba High Grade · silverGrade: 56Grade Unit: g/tIntercept: 21 mView all details
Link to this fact

Identity

Hole ID
CDH-25-213
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
56
Grade Unit
g/t
Intercept
21 m
True Width
11.13 m
From
184 m
To
205 m
Intercept Depth
184 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-213:184-205
Mining Method
underground

Location

Location
I Vein Area
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Moderate silver grade over a significant width, contributing to the extension of known mineralization.

Positive factors

  • Moderate silver grade over a significant width
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“56”

Context: 21.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 11.13

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-213Columba High Grade · leadGrade: 0Grade Unit: %Intercept: 21 mView all details
Link to this fact

Identity

Hole ID
CDH-25-213
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
21 m
True Width
11.13 m
From
184 m
To
205 m
Intercept Depth
184 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-213:184-205
Mining Method
underground

Location

Location
I Vein Area
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Trace lead grade over a significant width.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.0”

Context: 21.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 11.13

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-213Columba High Grade · zincGrade: 0.1Grade Unit: %Intercept: 21 mView all details
Link to this fact

Identity

Hole ID
CDH-25-213
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
21 m
True Width
11.13 m
From
184 m
To
205 m
Intercept Depth
184 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-213:184-205
Mining Method
underground

Location

Location
I Vein Area
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low zinc grade over a significant width, contributing as a secondary commodity.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.1”

Context: 21.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 11.13

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-214Columba High Grade · silverGrade: 45Grade Unit: g/tIntercept: 5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-214
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
45
Grade Unit
g/t
Intercept
5 m
True Width
2.42 m
From
146 m
To
151 m
Intercept Depth
146 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-214:146-151
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Moderate silver grade over a narrow interval, contributing to the overall exploration program.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“45”

Context: 5.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 2.42

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-214Columba High Grade · leadGrade: 0Grade Unit: %Intercept: 5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-214
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
5 m
True Width
2.42 m
From
146 m
To
151 m
Intercept Depth
146 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-214:146-151
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Trace lead grade over a narrow interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.0”

Context: 5.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 2.42

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-214Columba High Grade · zincGrade: 0.1Grade Unit: %Intercept: 5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-214
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
5 m
True Width
2.42 m
From
146 m
To
151 m
Intercept Depth
146 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-214:146-151
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low zinc grade over a narrow interval, contributing as a secondary commodity.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.1”

Context: 5.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 2.42

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-214Columba High Grade · silverGrade: 185Grade Unit: g/tIntercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-214
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
185
Grade Unit
g/t
Intercept
0.5 m
True Width
0.23 m
From
148.5 m
To
149 m
Intercept Depth
148.5 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-214:148.5-149
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Strong silver grade over a very narrow interval, included within a larger interval.

Positive factors

  • Strong silver grade, included within a larger interval
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“185”

Context: 0.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.23

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-214Columba High Grade · leadGrade: 0.1Grade Unit: %Intercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-214
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
0.5 m
True Width
0.23 m
From
148.5 m
To
149 m
Intercept Depth
148.5 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-214:148.5-149
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low lead grade over a very narrow interval, included within a larger interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.1”

Context: 0.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.23

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-214Columba High Grade · zincGrade: 0.1Grade Unit: %Intercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-214
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
0.5 m
True Width
0.23 m
From
148.5 m
To
149 m
Intercept Depth
148.5 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-214:148.5-149
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low zinc grade over a very narrow interval, included within a larger interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.1”

Context: 0.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.23

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-214Columba High Grade · silverGrade: 57Grade Unit: g/tIntercept: 3.45 mView all details
Link to this fact

Identity

Hole ID
CDH-25-214
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
57
Grade Unit
g/t
Intercept
3.45 m
True Width
1.59 m
From
309.55 m
To
313 m
Intercept Depth
309.55 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-214:309.55-313
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Moderate silver grade over a narrow interval, contributing to the overall exploration program.

Positive factors

  • Moderate silver grade over a narrow interval
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“57”

Context: 3.45

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1.59

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-214Columba High Grade · leadGrade: 0Grade Unit: %Intercept: 3.45 mView all details
Link to this fact

Identity

Hole ID
CDH-25-214
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
3.45 m
True Width
1.59 m
From
309.55 m
To
313 m
Intercept Depth
309.55 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-214:309.55-313
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Trace lead grade over a narrow interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.0”

Context: 3.45

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1.59

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-214Columba High Grade · zincGrade: 0.1Grade Unit: %Intercept: 3.45 mView all details
Link to this fact

Identity

Hole ID
CDH-25-214
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
3.45 m
True Width
1.59 m
From
309.55 m
To
313 m
Intercept Depth
309.55 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-214:309.55-313
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low zinc grade over a narrow interval, contributing as a secondary commodity.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.1”

Context: 3.45

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1.59

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-214Columba High Grade · silverGrade: 231Grade Unit: g/tIntercept: 0.85 mView all details
Link to this fact

Identity

Hole ID
CDH-25-214
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
231
Grade Unit
g/t
Intercept
0.85 m
True Width
0.39 m
From
329.65 m
To
330.5 m
Intercept Depth
329.65 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-214:329.65-330.5
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Strong silver grade over a very narrow interval, contributing to the overall exploration program.

Positive factors

  • Strong silver grade over a very narrow interval
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“231”

Context: 0.85

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.39

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-214Columba High Grade · leadGrade: 0.2Grade Unit: %Intercept: 0.85 mView all details
Link to this fact

Identity

Hole ID
CDH-25-214
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
0.85 m
True Width
0.39 m
From
329.65 m
To
330.5 m
Intercept Depth
329.65 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-214:329.65-330.5
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low lead grade over a very narrow interval, contributing as a secondary commodity.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.2”

Context: 0.85

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.39

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-214Columba High Grade · zincGrade: 0.8Grade Unit: %Intercept: 0.85 mView all details
Link to this fact

Identity

Hole ID
CDH-25-214
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.8
Grade Unit
%
Intercept
0.85 m
True Width
0.39 m
From
329.65 m
To
330.5 m
Intercept Depth
329.65 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-214:329.65-330.5
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low zinc grade over a very narrow interval, contributing as a secondary commodity.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.8”

Context: 0.85

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.39

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-214Columba High Grade · silverGrade: 108Grade Unit: g/tIntercept: 10.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-214
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
108
Grade Unit
g/t
Intercept
10.5 m
True Width
4.83 m
From
372 m
To
382.5 m
Intercept Depth
372 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-214:372-382.5
Mining Method
underground

Location

Location
D Vein system
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Moderate silver grade over a good width, contributing to the extension of known mineralization.

Positive factors

  • Moderate silver grade over a good width
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“108”

Context: 10.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 4.83

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-214Columba High Grade · leadGrade: 0.1Grade Unit: %Intercept: 10.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-214
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
10.5 m
True Width
4.83 m
From
372 m
To
382.5 m
Intercept Depth
372 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-214:372-382.5
Mining Method
underground

Location

Location
D Vein system
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low lead grade over a good width, contributing as a secondary commodity.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.1”

Context: 10.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 4.83

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-214Columba High Grade · zincGrade: 0.2Grade Unit: %Intercept: 10.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-214
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
10.5 m
True Width
4.83 m
From
372 m
To
382.5 m
Intercept Depth
372 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-214:372-382.5
Mining Method
underground

Location

Location
D Vein system
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low zinc grade over a good width, contributing as a secondary commodity.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.2”

Context: 10.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 4.83

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-214Columba High Grade · silverGrade: 362Grade Unit: g/tIntercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-214
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
362
Grade Unit
g/t
Intercept
1.5 m
True Width
0.69 m
From
381 m
To
382.5 m
Intercept Depth
381 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-214:381-382.5
Mining Method
underground

Location

Location
D Vein system
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Strong silver grade over a narrow interval, included within a larger interval, contributing to the extension of known mineralization.

Positive factors

  • Strong silver grade over a narrow interval, included within a larger interval
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“362”

Context: 1.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.69

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-214Columba High Grade · leadGrade: 0.1Grade Unit: %Intercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-214
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
1.5 m
True Width
0.69 m
From
381 m
To
382.5 m
Intercept Depth
381 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-214:381-382.5
Mining Method
underground

Location

Location
D Vein system
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low lead grade over a narrow interval, included within a larger interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.1”

Context: 1.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.69

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-214Columba High Grade · zincGrade: 0.2Grade Unit: %Intercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-214
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
1.5 m
True Width
0.69 m
From
381 m
To
382.5 m
Intercept Depth
381 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-214:381-382.5
Mining Method
underground

Location

Location
D Vein system
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low zinc grade over a narrow interval, included within a larger interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.2”

Context: 1.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.69

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-214Columba High Grade · silverGrade: 90Grade Unit: g/tIntercept: 4.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-214
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
90
Grade Unit
g/t
Intercept
4.5 m
True Width
2.07 m
From
385.5 m
To
390 m
Intercept Depth
385.5 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-214:385.5-390
Mining Method
underground

Location

Location
D Vein system
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Moderate silver grade over a narrow interval, contributing to the overall exploration program.

Positive factors

  • Moderate silver grade over a narrow interval
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“90”

Context: 4.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 2.07

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-214Columba High Grade · leadGrade: 0.1Grade Unit: %Intercept: 4.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-214
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
4.5 m
True Width
2.07 m
From
385.5 m
To
390 m
Intercept Depth
385.5 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-214:385.5-390
Mining Method
underground

Location

Location
D Vein system
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low lead grade over a narrow interval, contributing as a secondary commodity.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.1”

Context: 4.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 2.07

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-214Columba High Grade · zincGrade: 0.2Grade Unit: %Intercept: 4.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-214
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
4.5 m
True Width
2.07 m
From
385.5 m
To
390 m
Intercept Depth
385.5 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-214:385.5-390
Mining Method
underground

Location

Location
D Vein system
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low zinc grade over a narrow interval, contributing as a secondary commodity.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.2”

Context: 4.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 2.07

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-214Columba High Grade · silverGrade: 102Grade Unit: g/tIntercept: 4.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-214
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
102
Grade Unit
g/t
Intercept
4.5 m
True Width
2.07 m
From
394.5 m
To
399 m
Intercept Depth
394.5 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-214:394.5-399
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Moderate silver grade over a narrow interval, contributing to the overall exploration program.

Positive factors

  • Moderate silver grade over a narrow interval
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“102”

Context: 4.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 2.07

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-214Columba High Grade · leadGrade: 0.2Grade Unit: %Intercept: 4.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-214
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
4.5 m
True Width
2.07 m
From
394.5 m
To
399 m
Intercept Depth
394.5 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-214:394.5-399
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low lead grade over a narrow interval, contributing as a secondary commodity.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.2”

Context: 4.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 2.07

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-214Columba High Grade · zincGrade: 0.2Grade Unit: %Intercept: 4.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-214
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
4.5 m
True Width
2.07 m
From
394.5 m
To
399 m
Intercept Depth
394.5 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-214:394.5-399
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low zinc grade over a narrow interval, contributing as a secondary commodity.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.2”

Context: 4.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 2.07

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-214Columba High Grade · silverGrade: 104Grade Unit: g/tIntercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-214
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
104
Grade Unit
g/t
Intercept
0.5 m
True Width
0.23 m
From
412 m
To
412.5 m
Intercept Depth
412 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-214:412-412.5
Mining Method
underground

Location

Location
D Vein system
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Moderate silver grade over a very narrow interval, contributing to the overall exploration program.

Positive factors

  • Moderate silver grade over a very narrow interval
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“104”

Context: 0.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.23

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-214Columba High Grade · leadGrade: 0.1Grade Unit: %Intercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-214
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
0.5 m
True Width
0.23 m
From
412 m
To
412.5 m
Intercept Depth
412 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-214:412-412.5
Mining Method
underground

Location

Location
D Vein system
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low lead grade over a very narrow interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.1”

Context: 0.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.23

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-214Columba High Grade · zincGrade: 0.2Grade Unit: %Intercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-214
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
0.5 m
True Width
0.23 m
From
412 m
To
412.5 m
Intercept Depth
412 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-214:412-412.5
Mining Method
underground

Location

Location
D Vein system
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low zinc grade over a very narrow interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.2”

Context: 0.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.23

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-215Columba High Grade · silverGrade: 105Grade Unit: g/tIntercept: 0.23 mView all details
Link to this fact

Identity

Hole ID
CDH-25-215
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
105
Grade Unit
g/t
Intercept
0.23 m
True Width
0.12 m
From
69.77 m
To
70 m
Intercept Depth
69.77 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-215:69.77-70
Mining Method
underground

Location

Location
I Vein
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Moderate silver grade over a very narrow interval, contributing to the overall exploration program.

Positive factors

  • Moderate silver grade over a very narrow interval
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“105”

Context: 0.23

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.12

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-215Columba High Grade · leadGrade: 0Grade Unit: %Intercept: 0.23 mView all details
Link to this fact

Identity

Hole ID
CDH-25-215
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
0.23 m
True Width
0.12 m
From
69.77 m
To
70 m
Intercept Depth
69.77 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-215:69.77-70
Mining Method
underground

Location

Location
I Vein
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Trace lead grade over a very narrow interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.0”

Context: 0.23

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.12

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-215Columba High Grade · zincGrade: 0Grade Unit: %Intercept: 0.23 mView all details
Link to this fact

Identity

Hole ID
CDH-25-215
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
0.23 m
True Width
0.12 m
From
69.77 m
To
70 m
Intercept Depth
69.77 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-215:69.77-70
Mining Method
underground

Location

Location
I Vein
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Trace zinc grade over a very narrow interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.0”

Context: 0.23

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.12

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-215Columba High Grade · silverGrade: 47Grade Unit: g/tIntercept: 6 mView all details
Link to this fact

Identity

Hole ID
CDH-25-215
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
47
Grade Unit
g/t
Intercept
6 m
True Width
3 m
From
80 m
To
86 m
Intercept Depth
80 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-215:80-86
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Moderate silver grade over a narrow interval, contributing to the overall exploration program.

Positive factors

  • Moderate silver grade over a narrow interval
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“47”

Context: 6.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 3

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-215Columba High Grade · leadGrade: 0Grade Unit: %Intercept: 6 mView all details
Link to this fact

Identity

Hole ID
CDH-25-215
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
6 m
True Width
3 m
From
80 m
To
86 m
Intercept Depth
80 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-215:80-86
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Trace lead grade over a narrow interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.0”

Context: 6.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 3

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-215Columba High Grade · zincGrade: 0.1Grade Unit: %Intercept: 6 mView all details
Link to this fact

Identity

Hole ID
CDH-25-215
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
6 m
True Width
3 m
From
80 m
To
86 m
Intercept Depth
80 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-215:80-86
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low zinc grade over a narrow interval, contributing as a secondary commodity.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.1”

Context: 6.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 3

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-215Columba High Grade · silverGrade: 159Grade Unit: g/tIntercept: 7 mView all details
Link to this fact

Identity

Hole ID
CDH-25-215
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
159
Grade Unit
g/t
Intercept
7 m
True Width
3.5 m
From
164 m
To
171 m
Intercept Depth
164 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-215:164-171
Mining Method
underground

Location

Location
I Vein interval
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Strong silver grade over a narrow interval, contributing to the extension of known mineralization.

Positive factors

  • Strong silver grade over a narrow interval
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“159”

Context: 7.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 3.5

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-215Columba High Grade · leadGrade: 0.1Grade Unit: %Intercept: 7 mView all details
Link to this fact

Identity

Hole ID
CDH-25-215
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
7 m
True Width
3.5 m
From
164 m
To
171 m
Intercept Depth
164 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-215:164-171
Mining Method
underground

Location

Location
I Vein interval
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low lead grade over a narrow interval, contributing as a secondary commodity.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.1”

Context: 7.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 3.5

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-215Columba High Grade · zincGrade: 0.4Grade Unit: %Intercept: 7 mView all details
Link to this fact

Identity

Hole ID
CDH-25-215
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.4
Grade Unit
%
Intercept
7 m
True Width
3.5 m
From
164 m
To
171 m
Intercept Depth
164 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-215:164-171
Mining Method
underground

Location

Location
I Vein interval
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low zinc grade over a narrow interval, contributing as a secondary commodity.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.4”

Context: 7.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 3.5

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-215Columba High Grade · silverGrade: 584Grade Unit: g/tIntercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-215
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
584
Grade Unit
g/t
Intercept
1.5 m
True Width
0.75 m
From
168 m
To
169.5 m
Intercept Depth
168 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-215:168-169.5
Mining Method
underground

Location

Location
I Vein interval
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Exceptional silver grade over a narrow interval, included within a larger interval, contributing significantly to the extension of known mineralization.

Positive factors

  • Exceptional silver grade over a narrow interval, included within a larger interval
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“584”

Context: 1.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.75

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-215Columba High Grade · leadGrade: 0.2Grade Unit: %Intercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-215
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
1.5 m
True Width
0.75 m
From
168 m
To
169.5 m
Intercept Depth
168 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-215:168-169.5
Mining Method
underground

Location

Location
I Vein interval
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low lead grade over a narrow interval, included within a larger interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.2”

Context: 1.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.75

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-215Columba High Grade · zincGrade: 1.1Grade Unit: %Intercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-215
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
1.1
Grade Unit
%
Intercept
1.5 m
True Width
0.75 m
From
168 m
To
169.5 m
Intercept Depth
168 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-215:168-169.5
Mining Method
underground

Location

Location
I Vein interval
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low zinc grade over a narrow interval, included within a larger interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“1.1”

Context: 1.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.75

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-215Columba High Grade · silverGrade: 125Grade Unit: g/tIntercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-215
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
125
Grade Unit
g/t
Intercept
1.5 m
True Width
0.75 m
From
310 m
To
311.5 m
Intercept Depth
310 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-215:310-311.5
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Moderate silver grade over a narrow interval, contributing to the overall exploration program.

Positive factors

  • Moderate silver grade over a narrow interval
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“125”

Context: 1.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.75

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-215Columba High Grade · leadGrade: 0.3Grade Unit: %Intercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-215
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.3
Grade Unit
%
Intercept
1.5 m
True Width
0.75 m
From
310 m
To
311.5 m
Intercept Depth
310 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-215:310-311.5
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low lead grade over a narrow interval, contributing as a secondary commodity.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.3”

Context: 1.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.75

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-215Columba High Grade · zincGrade: 0.3Grade Unit: %Intercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-215
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.3
Grade Unit
%
Intercept
1.5 m
True Width
0.75 m
From
310 m
To
311.5 m
Intercept Depth
310 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-215:310-311.5
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low zinc grade over a narrow interval, contributing as a secondary commodity.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.3”

Context: 1.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.75

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-215Columba High Grade · silverGrade: 46Grade Unit: g/tIntercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-215
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
46
Grade Unit
g/t
Intercept
1.5 m
True Width
0.75 m
From
340 m
To
341 m
Intercept Depth
340 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-215:340-341
Mining Method
underground

Location

Location
Gold Anomalous Zone
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Moderate silver grade over a narrow interval, associated with a gold anomalous zone.

Positive factors

  • Moderate silver grade over a narrow interval
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“46”

Context: 1.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.75

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-215Columba High Grade · goldGrade: 1.8Grade Unit: g/tIntercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-215
Project
Columba High Grade
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
1.8
Grade Unit
g/t
Intercept
1.5 m
True Width
0.75 m
From
340 m
To
341 m
Intercept Depth
340 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
CDH-25-215:340-341
Mining Method
open_pit

Location

Location
Gold Anomalous Zone
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Exceptional gold grade over a narrow interval, representing a significant new porphyry-style gold discovery.

Positive factors

  • Exceptional gold grade over a narrow interval, indicating new porphyry-style mineralization
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“1.80”

Context: 1.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.75

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-215Columba High Grade · leadGrade: 1.8Grade Unit: %Intercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-215
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
1.8
Grade Unit
%
Intercept
1.5 m
True Width
0.75 m
From
340 m
To
341 m
Intercept Depth
340 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-215:340-341
Mining Method
underground

Location

Location
Gold Anomalous Zone
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low lead grade over a narrow interval, associated with a gold anomalous zone.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“1.8”

Context: 1.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.75

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-215Columba High Grade · zincGrade: 3.7Grade Unit: %Intercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-215
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
3.7
Grade Unit
%
Intercept
1.5 m
True Width
0.75 m
From
340 m
To
341 m
Intercept Depth
340 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-215:340-341
Mining Method
underground

Location

Location
Gold Anomalous Zone
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low zinc grade over a narrow interval, associated with a gold anomalous zone.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“3.7”

Context: 1.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.75

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-216Columba High Grade · silverGrade: 175Grade Unit: g/tIntercept: 0.9 mView all details
Link to this fact

Identity

Hole ID
CDH-25-216
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
175
Grade Unit
g/t
Intercept
0.9 m
True Width
0.42 m
From
254.7 m
To
255.6 m
Intercept Depth
254.7 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-216:254.7-255.6
Mining Method
underground

Location

Location
HW to I Vein
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Strong silver grade over a very narrow interval, contributing to the overall exploration program.

Positive factors

  • Strong silver grade over a very narrow interval
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“175”

Context: 0.90

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.42

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-216Columba High Grade · leadGrade: 0.2Grade Unit: %Intercept: 0.9 mView all details
Link to this fact

Identity

Hole ID
CDH-25-216
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
0.9 m
True Width
0.42 m
From
254.7 m
To
255.6 m
Intercept Depth
254.7 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-216:254.7-255.6
Mining Method
underground

Location

Location
HW to I Vein
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low lead grade over a very narrow interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.2”

Context: 0.90

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.42

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-216Columba High Grade · zincGrade: 0.5Grade Unit: %Intercept: 0.9 mView all details
Link to this fact

Identity

Hole ID
CDH-25-216
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.5
Grade Unit
%
Intercept
0.9 m
True Width
0.42 m
From
254.7 m
To
255.6 m
Intercept Depth
254.7 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-216:254.7-255.6
Mining Method
underground

Location

Location
HW to I Vein
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low zinc grade over a very narrow interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.5”

Context: 0.90

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.42

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-216Columba High Grade · silverGrade: 212Grade Unit: g/tIntercept: 3.2 mView all details
Link to this fact

Identity

Hole ID
CDH-25-216
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
212
Grade Unit
g/t
Intercept
3.2 m
True Width
1.5 m
From
274.8 m
To
278 m
Intercept Depth
274.8 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-216:274.8-278
Mining Method
underground

Location

Location
D Vein HW
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Strong silver grade over a narrow interval, contributing to the extension of known mineralization.

Positive factors

  • Strong silver grade over a narrow interval
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“212”

Context: 3.20

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1.5

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-216Columba High Grade · leadGrade: 0.2Grade Unit: %Intercept: 3.2 mView all details
Link to this fact

Identity

Hole ID
CDH-25-216
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
3.2 m
True Width
1.5 m
From
274.8 m
To
278 m
Intercept Depth
274.8 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-216:274.8-278
Mining Method
underground

Location

Location
D Vein HW
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low lead grade over a narrow interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.2”

Context: 3.20

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1.5

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-216Columba High Grade · zincGrade: 0.6Grade Unit: %Intercept: 3.2 mView all details
Link to this fact

Identity

Hole ID
CDH-25-216
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.6
Grade Unit
%
Intercept
3.2 m
True Width
1.5 m
From
274.8 m
To
278 m
Intercept Depth
274.8 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-216:274.8-278
Mining Method
underground

Location

Location
D Vein HW
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low zinc grade over a narrow interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.6”

Context: 3.20

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1.5

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-216Columba High Grade · silverGrade: 756Grade Unit: g/tIntercept: 0.7 mView all details
Link to this fact

Identity

Hole ID
CDH-25-216
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
756
Grade Unit
g/t
Intercept
0.7 m
True Width
0.33 m
From
274.8 m
To
275.5 m
Intercept Depth
274.8 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-216:274.8-275.5
Mining Method
underground

Location

Location
D Vein HW
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Exceptional silver grade over a very narrow interval, included within a larger interval, contributing significantly to the extension of known mineralization.

Positive factors

  • Exceptional silver grade over a very narrow interval, included within a larger interval
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“756”

Context: 0.70

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.33

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-216Columba High Grade · leadGrade: 0.6Grade Unit: %Intercept: 0.7 mView all details
Link to this fact

Identity

Hole ID
CDH-25-216
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.6
Grade Unit
%
Intercept
0.7 m
True Width
0.33 m
From
274.8 m
To
275.5 m
Intercept Depth
274.8 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-216:274.8-275.5
Mining Method
underground

Location

Location
D Vein HW
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low lead grade over a very narrow interval, included within a larger interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.6”

Context: 0.70

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.33

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-216Columba High Grade · zincGrade: 2.5Grade Unit: %Intercept: 0.7 mView all details
Link to this fact

Identity

Hole ID
CDH-25-216
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
2.5
Grade Unit
%
Intercept
0.7 m
True Width
0.33 m
From
274.8 m
To
275.5 m
Intercept Depth
274.8 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-216:274.8-275.5
Mining Method
underground

Location

Location
D Vein HW
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low zinc grade over a very narrow interval, included within a larger interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“2.5”

Context: 0.70

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.33

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-216Columba High Grade · silverGrade: 157Grade Unit: g/tIntercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-216
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
157
Grade Unit
g/t
Intercept
0.5 m
True Width
0.24 m
From
385 m
To
385.5 m
Intercept Depth
385 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-216:385-385.5
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Strong silver grade over a very narrow interval, contributing to the overall exploration program.

Positive factors

  • Strong silver grade over a very narrow interval
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“157”

Context: 0.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.24

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-216Columba High Grade · leadGrade: 0.1Grade Unit: %Intercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-216
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
0.5 m
True Width
0.24 m
From
385 m
To
385.5 m
Intercept Depth
385 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-216:385-385.5
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low lead grade over a very narrow interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.1”

Context: 0.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.24

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-216Columba High Grade · zincGrade: 0.5Grade Unit: %Intercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-216
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.5
Grade Unit
%
Intercept
0.5 m
True Width
0.24 m
From
385 m
To
385.5 m
Intercept Depth
385 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-216:385-385.5
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low zinc grade over a very narrow interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.5”

Context: 0.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.24

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-217Columba High Grade · silverGrade: 28Grade Unit: g/tIntercept: 4 mView all details
Link to this fact

Identity

Hole ID
CDH-25-217
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
28
Grade Unit
g/t
Intercept
4 m
True Width
2.82 m
From
113 m
To
117 m
Intercept Depth
113 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-217:113-117
Mining Method
underground

Location

Location
I Vein Area
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Weak silver grade over a narrow interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“28”

Context: 4.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 2.82

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-217Columba High Grade · leadGrade: 0Grade Unit: %Intercept: 4 mView all details
Link to this fact

Identity

Hole ID
CDH-25-217
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
4 m
True Width
2.82 m
From
113 m
To
117 m
Intercept Depth
113 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-217:113-117
Mining Method
underground

Location

Location
I Vein Area
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Trace lead grade over a narrow interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.0”

Context: 4.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 2.82

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-217Columba High Grade · zincGrade: 0Grade Unit: %Intercept: 4 mView all details
Link to this fact

Identity

Hole ID
CDH-25-217
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
4 m
True Width
2.82 m
From
113 m
To
117 m
Intercept Depth
113 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-217:113-117
Mining Method
underground

Location

Location
I Vein Area
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Trace zinc grade over a narrow interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.0”

Context: 4.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 2.82

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-217Columba High Grade · silverGrade: 166Grade Unit: g/tIntercept: 1 mView all details
Link to this fact

Identity

Hole ID
CDH-25-217
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
166
Grade Unit
g/t
Intercept
1 m
True Width
0.71 m
From
179 m
To
180 m
Intercept Depth
179 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-217:179-180
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Strong silver grade over a very narrow interval, contributing to the overall exploration program.

Positive factors

  • Strong silver grade over a very narrow interval
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“166”

Context: 1.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.71

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-217Columba High Grade · leadGrade: 0.2Grade Unit: %Intercept: 1 mView all details
Link to this fact

Identity

Hole ID
CDH-25-217
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
1 m
True Width
0.71 m
From
179 m
To
180 m
Intercept Depth
179 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-217:179-180
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low lead grade over a very narrow interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.2”

Context: 1.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.71

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-217Columba High Grade · zincGrade: 0.2Grade Unit: %Intercept: 1 mView all details
Link to this fact

Identity

Hole ID
CDH-25-217
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
1 m
True Width
0.71 m
From
179 m
To
180 m
Intercept Depth
179 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-217:179-180
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low zinc grade over a very narrow interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.2”

Context: 1.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.71

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-217Columba High Grade · silverGrade: 73Grade Unit: g/tIntercept: 7 mView all details
Link to this fact

Identity

Hole ID
CDH-25-217
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
73
Grade Unit
g/t
Intercept
7 m
True Width
4.94 m
From
215 m
To
222 m
Intercept Depth
215 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-217:215-222
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Moderate silver grade over a narrow interval, contributing to the overall exploration program.

Positive factors

  • Moderate silver grade over a narrow interval
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“73”

Context: 7.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 4.94

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-217Columba High Grade · goldGrade: 0.02Grade Unit: g/tIntercept: 7 mView all details
Link to this fact

Identity

Hole ID
CDH-25-217
Project
Columba High Grade
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.02
Grade Unit
g/t
Intercept
7 m
True Width
4.94 m
From
215 m
To
222 m
Intercept Depth
215 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
CDH-25-217:215-222
Mining Method
open_pit

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low gold grade over a narrow interval, but part of a new porphyry-style gold discovery.

Positive factors

  • New porphyry-style gold mineralization discovery
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.02”

Context: 7.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 4.94

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-217Columba High Grade · leadGrade: 0.1Grade Unit: %Intercept: 7 mView all details
Link to this fact

Identity

Hole ID
CDH-25-217
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
7 m
True Width
4.94 m
From
215 m
To
222 m
Intercept Depth
215 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-217:215-222
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low lead grade over a narrow interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.1”

Context: 7.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 4.94

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-217Columba High Grade · zincGrade: 0.2Grade Unit: %Intercept: 7 mView all details
Link to this fact

Identity

Hole ID
CDH-25-217
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
7 m
True Width
4.94 m
From
215 m
To
222 m
Intercept Depth
215 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-217:215-222
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low zinc grade over a narrow interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.2”

Context: 7.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 4.94

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-217Columba High Grade · silverGrade: 177Grade Unit: g/tIntercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-217
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
177
Grade Unit
g/t
Intercept
1.5 m
True Width
1.06 m
From
216 m
To
217.5 m
Intercept Depth
216 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-217:216-217.5
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Strong silver grade over a narrow interval, included within a larger interval.

Positive factors

  • Strong silver grade over a narrow interval, included within a larger interval
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“177”

Context: 1.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1.06

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-217Columba High Grade · goldGrade: 0.06Grade Unit: g/tIntercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-217
Project
Columba High Grade
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.06
Grade Unit
g/t
Intercept
1.5 m
True Width
1.06 m
From
216 m
To
217.5 m
Intercept Depth
216 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
CDH-25-217:216-217.5
Mining Method
open_pit

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low gold grade over a narrow interval, but part of a new porphyry-style gold discovery.

Positive factors

  • New porphyry-style gold mineralization discovery
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.06”

Context: 1.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1.06

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-217Columba High Grade · leadGrade: 0.3Grade Unit: %Intercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-217
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.3
Grade Unit
%
Intercept
1.5 m
True Width
1.06 m
From
216 m
To
217.5 m
Intercept Depth
216 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-217:216-217.5
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low lead grade over a narrow interval, included within a larger interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.3”

Context: 1.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1.06

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-217Columba High Grade · zincGrade: 0.6Grade Unit: %Intercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-217
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.6
Grade Unit
%
Intercept
1.5 m
True Width
1.06 m
From
216 m
To
217.5 m
Intercept Depth
216 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-217:216-217.5
Mining Method
underground

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low zinc grade over a narrow interval, included within a larger interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.6”

Context: 1.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1.06

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-217Columba High Grade · silverGrade: 10Grade Unit: g/tIntercept: 101 mView all details
Link to this fact

Identity

Hole ID
CDH-25-217
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
10
Grade Unit
g/t
Intercept
101 m
True Width
71.21 m
From
234 m
To
335 m
Intercept Depth
234 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-217:234-335
Mining Method
underground

Location

Location
Broad gold anomalous zone
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Weak silver grade over a very broad interval, associated with a gold anomalous zone.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“10”

Context: 101.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 71.21

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-217Columba High Grade · goldGrade: 0.18Grade Unit: g/tIntercept: 101 mView all details
Link to this fact

Identity

Hole ID
CDH-25-217
Project
Columba High Grade
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.18
Grade Unit
g/t
Intercept
101 m
True Width
71.21 m
From
234 m
To
335 m
Intercept Depth
234 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
CDH-25-217:234-335
Mining Method
open_pit

Location

Location
Broad gold anomalous zone
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Weak gold grade over a very broad interval, representing a significant new porphyry-style gold discovery.

Positive factors

  • Weak gold grade over a very broad interval, indicating new porphyry-style mineralization
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.18”

Context: 101.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 71.21

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-217Columba High Grade · zincGrade: 0Grade Unit: %Intercept: 101 mView all details
Link to this fact

Identity

Hole ID
CDH-25-217
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
101 m
True Width
71.21 m
From
234 m
To
335 m
Intercept Depth
234 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-217:234-335
Mining Method
underground

Location

Location
Broad gold anomalous zone
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Trace zinc grade over a very broad interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.0”

Context: 101.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 71.21

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-217Columba High Grade · silverGrade: 11Grade Unit: g/tIntercept: 6 mView all details
Link to this fact

Identity

Hole ID
CDH-25-217
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
11
Grade Unit
g/t
Intercept
6 m
True Width
4.23 m
From
264 m
To
270 m
Intercept Depth
264 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-217:264-270
Mining Method
underground

Location

Location
Broad gold anomalous zone
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Weak silver grade over a narrow interval, included within a larger gold anomalous zone.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“11”

Context: 6.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 4.23

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-217Columba High Grade · goldGrade: 0.85Grade Unit: g/tIntercept: 6 mView all details
Link to this fact

Identity

Hole ID
CDH-25-217
Project
Columba High Grade
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.85
Grade Unit
g/t
Intercept
6 m
True Width
4.23 m
From
264 m
To
270 m
Intercept Depth
264 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
CDH-25-217:264-270
Mining Method
open_pit

Location

Location
Broad gold anomalous zone
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Strong gold grade over a narrow interval, representing a significant new porphyry-style gold discovery.

Positive factors

  • Strong gold grade over a narrow interval, indicating new porphyry-style mineralization
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.85”

Context: 6.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 4.23

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-217Columba High Grade · goldGrade: 0.2Grade Unit: g/tIntercept: 26.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-217
Project
Columba High Grade
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
g/t
Intercept
26.5 m
True Width
18.68 m
From
506 m
To
532.5 m
Intercept Depth
506 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
CDH-25-217:506-532.5
Mining Method
open_pit

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Weak gold grade over a significant width, representing a new porphyry-style gold discovery.

Positive factors

  • Weak gold grade over a significant width, indicating new porphyry-style mineralization
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.20”

Context: 26.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 18.68

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-217Columba High Grade · goldGrade: 0.53Grade Unit: g/tIntercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-217
Project
Columba High Grade
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.53
Grade Unit
g/t
Intercept
1.5 m
True Width
1.06 m
From
540 m
To
541.5 m
Intercept Depth
540 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
CDH-25-217:540-541.5
Mining Method
open_pit

Location

Loc. Confidence
high

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Strong gold grade over a narrow interval, representing a new porphyry-style gold discovery.

Positive factors

  • Strong gold grade over a narrow interval, indicating new porphyry-style mineralization
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.53”

Context: 1.50

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 1.06

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-218Columba High Grade · silverGrade: 303Grade Unit: g/tIntercept: 3.97 mView all details
Link to this fact

Identity

Hole ID
CDH-25-218
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
303
Grade Unit
g/t
Intercept
3.97 m
True Width
2.34 m
From
213.95 m
To
217.92 m
Intercept Depth
213.95 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-218:213.95-217.92
Mining Method
underground

Location

Location
I Vein Area
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Exceptional silver grade over a narrow interval, contributing significantly to the extension of known mineralization.

Positive factors

  • Exceptional silver grade over a narrow interval
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“303”

Context: 3.97

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 2.34

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-218Columba High Grade · goldGrade: 0.08Grade Unit: g/tIntercept: 3.97 mView all details
Link to this fact

Identity

Hole ID
CDH-25-218
Project
Columba High Grade
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.08
Grade Unit
g/t
Intercept
3.97 m
True Width
2.34 m
From
213.95 m
To
217.92 m
Intercept Depth
213.95 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
CDH-25-218:213.95-217.92
Mining Method
open_pit

Location

Location
I Vein Area
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low gold grade over a narrow interval, but part of a new porphyry-style gold discovery.

Positive factors

  • New porphyry-style gold mineralization discovery
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.08”

Context: 3.97

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 2.34

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-218Columba High Grade · leadGrade: 0.7Grade Unit: %Intercept: 3.97 mView all details
Link to this fact

Identity

Hole ID
CDH-25-218
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.7
Grade Unit
%
Intercept
3.97 m
True Width
2.34 m
From
213.95 m
To
217.92 m
Intercept Depth
213.95 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-218:213.95-217.92
Mining Method
underground

Location

Location
I Vein Area
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low lead grade over a narrow interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.7”

Context: 3.97

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 2.34

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-218Columba High Grade · zincGrade: 2.1Grade Unit: %Intercept: 3.97 mView all details
Link to this fact

Identity

Hole ID
CDH-25-218
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
2.1
Grade Unit
%
Intercept
3.97 m
True Width
2.34 m
From
213.95 m
To
217.92 m
Intercept Depth
213.95 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-218:213.95-217.92
Mining Method
underground

Location

Location
I Vein Area
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low zinc grade over a narrow interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“2.1”

Context: 3.97

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 2.34

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-218Columba High Grade · silverGrade: 921Grade Unit: g/tIntercept: 0.7 mView all details
Link to this fact

Identity

Hole ID
CDH-25-218
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
921
Grade Unit
g/t
Intercept
0.7 m
True Width
0.41 m
From
214.3 m
To
215 m
Intercept Depth
214.3 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-218:214.3-215
Mining Method
underground

Location

Location
I Vein Area
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Exceptional silver grade over a very narrow interval, included within a larger interval, contributing significantly to the extension of known mineralization.

Positive factors

  • Exceptional silver grade over a very narrow interval, included within a larger interval
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“921”

Context: 0.70

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.41

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-218Columba High Grade · goldGrade: 0.12Grade Unit: g/tIntercept: 0.7 mView all details
Link to this fact

Identity

Hole ID
CDH-25-218
Project
Columba High Grade
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.12
Grade Unit
g/t
Intercept
0.7 m
True Width
0.41 m
From
214.3 m
To
215 m
Intercept Depth
214.3 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
CDH-25-218:214.3-215
Mining Method
open_pit

Location

Location
I Vein Area
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low gold grade over a very narrow interval, but part of a new porphyry-style gold discovery.

Positive factors

  • New porphyry-style gold mineralization discovery
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.12”

Context: 0.70

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.41

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-218Columba High Grade · leadGrade: 2.6Grade Unit: %Intercept: 0.7 mView all details
Link to this fact

Identity

Hole ID
CDH-25-218
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
2.6
Grade Unit
%
Intercept
0.7 m
True Width
0.41 m
From
214.3 m
To
215 m
Intercept Depth
214.3 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-218:214.3-215
Mining Method
underground

Location

Location
I Vein Area
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low lead grade over a very narrow interval, included within a larger interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“2.6”

Context: 0.70

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.41

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-218Columba High Grade · zincGrade: 6Grade Unit: %Intercept: 0.7 mView all details
Link to this fact

Identity

Hole ID
CDH-25-218
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
6
Grade Unit
%
Intercept
0.7 m
True Width
0.41 m
From
214.3 m
To
215 m
Intercept Depth
214.3 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-218:214.3-215
Mining Method
underground

Location

Location
I Vein Area
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Moderate zinc grade over a very narrow interval, included within a larger interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“6.0”

Context: 0.70

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.41

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-218Columba High Grade · silverGrade: 28Grade Unit: g/tIntercept: 27 mView all details
Link to this fact

Identity

Hole ID
CDH-25-218
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
28
Grade Unit
g/t
Intercept
27 m
True Width
15.93 m
From
225 m
To
252 m
Intercept Depth
225 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-218:225-252
Mining Method
underground

Location

Location
Gold anomalous zone
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Weak silver grade over a significant width, associated with a gold anomalous zone.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“28”

Context: 27.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 15.93

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-218Columba High Grade · goldGrade: 0.22Grade Unit: g/tIntercept: 27 mView all details
Link to this fact

Identity

Hole ID
CDH-25-218
Project
Columba High Grade
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.22
Grade Unit
g/t
Intercept
27 m
True Width
15.93 m
From
225 m
To
252 m
Intercept Depth
225 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
CDH-25-218:225-252
Mining Method
open_pit

Location

Location
Gold anomalous zone
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Weak gold grade over a significant width, representing a new porphyry-style gold discovery.

Positive factors

  • Weak gold grade over a significant width, indicating new porphyry-style mineralization
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.22”

Context: 27.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 15.93

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-218Columba High Grade · leadGrade: 0Grade Unit: %Intercept: 27 mView all details
Link to this fact

Identity

Hole ID
CDH-25-218
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
27 m
True Width
15.93 m
From
225 m
To
252 m
Intercept Depth
225 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-218:225-252
Mining Method
underground

Location

Location
Gold anomalous zone
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Trace lead grade over a significant width.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.0”

Context: 27.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 15.93

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-218Columba High Grade · zincGrade: 0Grade Unit: %Intercept: 27 mView all details
Link to this fact

Identity

Hole ID
CDH-25-218
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
27 m
True Width
15.93 m
From
225 m
To
252 m
Intercept Depth
225 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-218:225-252
Mining Method
underground

Location

Location
Gold anomalous zone
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Trace zinc grade over a significant width.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.0”

Context: 27.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 15.93

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-218Columba High Grade · silverGrade: 847Grade Unit: g/tIntercept: 0.55 mView all details
Link to this fact

Identity

Hole ID
CDH-25-218
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
847
Grade Unit
g/t
Intercept
0.55 m
True Width
0.32 m
From
233.8 m
To
234.35 m
Intercept Depth
233.8 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-218:233.8-234.35
Mining Method
underground

Location

Location
Gold anomalous zone
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Exceptional silver grade over a very narrow interval, included within a larger interval, contributing significantly to the extension of known mineralization.

Positive factors

  • Exceptional silver grade over a very narrow interval, included within a larger interval
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“847”

Context: 0.55

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.32

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-218Columba High Grade · goldGrade: 0.18Grade Unit: g/tIntercept: 0.55 mView all details
Link to this fact

Identity

Hole ID
CDH-25-218
Project
Columba High Grade
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.18
Grade Unit
g/t
Intercept
0.55 m
True Width
0.32 m
From
233.8 m
To
234.35 m
Intercept Depth
233.8 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
CDH-25-218:233.8-234.35
Mining Method
open_pit

Location

Location
Gold anomalous zone
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Weak gold grade over a very narrow interval, but part of a new porphyry-style gold discovery.

Positive factors

  • Weak gold grade over a very narrow interval, indicating new porphyry-style mineralization
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.18”

Context: 0.55

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.32

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-218Columba High Grade · leadGrade: 0.4Grade Unit: %Intercept: 0.55 mView all details
Link to this fact

Identity

Hole ID
CDH-25-218
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.4
Grade Unit
%
Intercept
0.55 m
True Width
0.32 m
From
233.8 m
To
234.35 m
Intercept Depth
233.8 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-218:233.8-234.35
Mining Method
underground

Location

Location
Gold anomalous zone
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low lead grade over a very narrow interval, included within a larger interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.4”

Context: 0.55

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.32

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-218Columba High Grade · zincGrade: 0.3Grade Unit: %Intercept: 0.55 mView all details
Link to this fact

Identity

Hole ID
CDH-25-218
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.3
Grade Unit
%
Intercept
0.55 m
True Width
0.32 m
From
233.8 m
To
234.35 m
Intercept Depth
233.8 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-218:233.8-234.35
Mining Method
underground

Location

Location
Gold anomalous zone
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low zinc grade over a very narrow interval, included within a larger interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.3”

Context: 0.55

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.32

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-218Columba High Grade · silverGrade: 32Grade Unit: g/tIntercept: 12 mView all details
Link to this fact

Identity

Hole ID
CDH-25-218
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
32
Grade Unit
g/t
Intercept
12 m
True Width
7.08 m
From
263 m
To
275 m
Intercept Depth
263 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-218:263-275
Mining Method
underground

Location

Location
Gold anomalous zone
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Weak silver grade over a good width, associated with a gold anomalous zone.

Positive factors

  • Weak silver grade over a good width, associated with a gold anomalous zone
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“32”

Context: 12.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 7.08

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-218Columba High Grade · goldGrade: 0.21Grade Unit: g/tIntercept: 12 mView all details
Link to this fact

Identity

Hole ID
CDH-25-218
Project
Columba High Grade
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.21
Grade Unit
g/t
Intercept
12 m
True Width
7.08 m
From
263 m
To
275 m
Intercept Depth
263 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
CDH-25-218:263-275
Mining Method
open_pit

Location

Location
Gold anomalous zone
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Weak gold grade over a good width, representing a new porphyry-style gold discovery.

Positive factors

  • Weak gold grade over a good width, indicating new porphyry-style mineralization
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.21”

Context: 12.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 7.08

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-218Columba High Grade · leadGrade: 0Grade Unit: %Intercept: 12 mView all details
Link to this fact

Identity

Hole ID
CDH-25-218
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
12 m
True Width
7.08 m
From
263 m
To
275 m
Intercept Depth
263 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-218:263-275
Mining Method
underground

Location

Location
Gold anomalous zone
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Trace lead grade over a good width.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.0”

Context: 12.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 7.08

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-218Columba High Grade · silverGrade: 255Grade Unit: g/tIntercept: 1.25 mView all details
Link to this fact

Identity

Hole ID
CDH-25-218
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
255
Grade Unit
g/t
Intercept
1.25 m
True Width
0.74 m
From
283.65 m
To
284.9 m
Intercept Depth
283.65 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-218:283.65-284.9
Mining Method
underground

Location

Location
Silver bearing footwall vein
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Strong silver grade over a very narrow interval, contributing to the extension of known mineralization.

Positive factors

  • Strong silver grade over a very narrow interval
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“255”

Context: 1.25

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.74

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-218Columba High Grade · leadGrade: 0.4Grade Unit: %Intercept: 1.25 mView all details
Link to this fact

Identity

Hole ID
CDH-25-218
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.4
Grade Unit
%
Intercept
1.25 m
True Width
0.74 m
From
283.65 m
To
284.9 m
Intercept Depth
283.65 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-218:283.65-284.9
Mining Method
underground

Location

Location
Silver bearing footwall vein
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low lead grade over a very narrow interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.4”

Context: 1.25

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.74

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-218Columba High Grade · zincGrade: 1.7Grade Unit: %Intercept: 1.25 mView all details
Link to this fact

Identity

Hole ID
CDH-25-218
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
1.7
Grade Unit
%
Intercept
1.25 m
True Width
0.74 m
From
283.65 m
To
284.9 m
Intercept Depth
283.65 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-218:283.65-284.9
Mining Method
underground

Location

Location
Silver bearing footwall vein
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low zinc grade over a very narrow interval.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“1.7”

Context: 1.25

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 0.74

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-218Columba High Grade · silverGrade: 26Grade Unit: g/tIntercept: 16 mView all details
Link to this fact

Identity

Hole ID
CDH-25-218
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
26
Grade Unit
g/t
Intercept
16 m
True Width
9.44 m
From
310 m
To
326 m
Intercept Depth
310 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-218:310-326
Mining Method
underground

Location

Location
Gold anomalous zone
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Weak silver grade over a good width, associated with a gold anomalous zone.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“26”

Context: 16.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 9.44

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-218Columba High Grade · goldGrade: 0.32Grade Unit: g/tIntercept: 16 mView all details
Link to this fact

Identity

Hole ID
CDH-25-218
Project
Columba High Grade
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.32
Grade Unit
g/t
Intercept
16 m
True Width
9.44 m
From
310 m
To
326 m
Intercept Depth
310 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
CDH-25-218:310-326
Mining Method
open_pit

Location

Location
Gold anomalous zone
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Moderate gold grade over a good width, representing a new porphyry-style gold discovery.

Positive factors

  • Moderate gold grade over a good width, indicating new porphyry-style mineralization
  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.32”

Context: 16.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 9.44

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-218Columba High Grade · leadGrade: 0Grade Unit: %Intercept: 16 mView all details
Link to this fact

Identity

Hole ID
CDH-25-218
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
16 m
True Width
9.44 m
From
310 m
To
326 m
Intercept Depth
310 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-218:310-326
Mining Method
underground

Location

Location
Gold anomalous zone
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Trace lead grade over a good width.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.0”

Context: 16.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 9.44

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CDH-25-218Columba High Grade · zincGrade: 0.1Grade Unit: %Intercept: 16 mView all details
Link to this fact

Identity

Hole ID
CDH-25-218
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
16 m
True Width
9.44 m
From
310 m
To
326 m
Intercept Depth
310 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-218:310-326
Mining Method
underground

Location

Location
Gold anomalous zone
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Low zinc grade over a good width.

Positive factors

  • True width estimated and disclosed
  • Detailed QA/QC procedures disclosed

Evidence · table

“0.1”

Context: 16.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 9.44

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · silverGrade: 102Grade Unit: g/tIntercept: 8.25 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
102
Grade Unit
g/t
Intercept
8.25 m
True Width
53 m
From
68.7 m
To
76.95 m
Intercept Depth
68.7 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:68.7-76.95
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 102 g/t silver is moderate against the default band [500, 200, 100, 30] g/t. Grade×width 841.5 g/t·m is weak (grade alone is moderate; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“102”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 53

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · leadGrade: 0.1Grade Unit: %Intercept: 8.25 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
8.25 m
True Width
53 m
From
68.7 m
To
76.95 m
Intercept Depth
68.7 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:68.7-76.95
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 0.8 %·m is below.

Negative factors

  • 0.1 % lead is below the weak threshold (1 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.1”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 53

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · zincGrade: 0.1Grade Unit: %Intercept: 8.25 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
8.25 m
True Width
53 m
From
68.7 m
To
76.95 m
Intercept Depth
68.7 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:68.7-76.95
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 0.8 %·m is below.

Negative factors

  • 0.1 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.1”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 53

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · silverGrade: 56Grade Unit: g/tIntercept: 21 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
56
Grade Unit
g/t
Intercept
21 m
True Width
53 m
From
184 m
To
205 m
Intercept Depth
184 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:184-205
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 56 g/t silver is moderate against the default band [500, 200, 100, 30] g/t. Grade×width 1176.0 g/t·m is moderate (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“56”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 53

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · leadGrade: 0Grade Unit: %Intercept: 21 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
21 m
True Width
53 m
From
184 m
To
205 m
Intercept Depth
184 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:184-205
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 0.0 %·m is below.

Negative factors

  • 0 % lead is below the weak threshold (1 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.0”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 53

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · zincGrade: 0.1Grade Unit: %Intercept: 21 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
21 m
True Width
53 m
From
184 m
To
205 m
Intercept Depth
184 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:184-205
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 2.1 %·m is below.

Negative factors

  • 0.1 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.1”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 53

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · silverGrade: 185Grade Unit: g/tIntercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
185
Grade Unit
g/t
Intercept
0.5 m
True Width
46 m
From
148.5 m
To
149 m
Intercept Depth
148.5 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:148.5-149
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 185 g/t silver is moderate against the default band [500, 200, 100, 30] g/t. Grade×width 92.5 g/t·m is below (grade alone is moderate; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“185”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 46

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · leadGrade: 0.1Grade Unit: %Intercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
0.5 m
True Width
46 m
From
148.5 m
To
149 m
Intercept Depth
148.5 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:148.5-149
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 0.1 %·m is below.

Negative factors

  • 0.1 % lead is below the weak threshold (1 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.1”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 46

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · zincGrade: 0.1Grade Unit: %Intercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
0.5 m
True Width
46 m
From
148.5 m
To
149 m
Intercept Depth
148.5 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:148.5-149
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 0.1 %·m is below.

Negative factors

  • 0.1 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.1”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 46

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · silverGrade: 57Grade Unit: g/tIntercept: 3.45 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
57
Grade Unit
g/t
Intercept
3.45 m
True Width
46 m
From
309.55 m
To
313 m
Intercept Depth
309.55 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:309.55-313
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 57 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 196.7 g/t·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“57”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 46

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · leadGrade: 0Grade Unit: %Intercept: 3.45 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
3.45 m
True Width
46 m
From
309.55 m
To
313 m
Intercept Depth
309.55 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:309.55-313
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 0.0 %·m is below.

Negative factors

  • 0 % lead is below the weak threshold (1 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.0”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 46

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · zincGrade: 0.1Grade Unit: %Intercept: 3.45 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
3.45 m
True Width
46 m
From
309.55 m
To
313 m
Intercept Depth
309.55 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:309.55-313
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 0.3 %·m is below.

Negative factors

  • 0.1 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.1”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 46

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · silverGrade: 231Grade Unit: g/tIntercept: 0.85 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
231
Grade Unit
g/t
Intercept
0.85 m
True Width
46 m
From
329.65 m
To
330.5 m
Intercept Depth
329.65 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:329.65-330.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 231 g/t silver is strong against the default band [500, 200, 100, 30] g/t. Grade×width 196.3 g/t·m is below (grade alone is strong; the better of the two is used).

Positive factors

  • 231 g/t silver is strong on the default band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“231”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 46

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · leadGrade: 0.2Grade Unit: %Intercept: 0.85 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
0.85 m
True Width
46 m
From
329.65 m
To
330.5 m
Intercept Depth
329.65 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:329.65-330.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 0.2 %·m is below.

Negative factors

  • 0.2 % lead is below the weak threshold (1 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.2”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 46

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · zincGrade: 0.8Grade Unit: %Intercept: 0.85 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.8
Grade Unit
%
Intercept
0.85 m
True Width
46 m
From
329.65 m
To
330.5 m
Intercept Depth
329.65 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:329.65-330.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.8 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 0.7 %·m is below.

Negative factors

  • 0.8 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.8”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 46

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · silverGrade: 108Grade Unit: g/tIntercept: 10.5 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
108
Grade Unit
g/t
Intercept
10.5 m
True Width
46 m
From
372 m
To
382.5 m
Intercept Depth
372 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:372-382.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 108 g/t silver is moderate against the default band [500, 200, 100, 30] g/t. Grade×width 1134.0 g/t·m is moderate.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“108”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 46

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · leadGrade: 0.1Grade Unit: %Intercept: 10.5 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
10.5 m
True Width
46 m
From
372 m
To
382.5 m
Intercept Depth
372 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:372-382.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 1.1 %·m is below.

Negative factors

  • 0.1 % lead is below the weak threshold (1 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.1”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 46

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · zincGrade: 0.2Grade Unit: %Intercept: 10.5 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
10.5 m
True Width
46 m
From
372 m
To
382.5 m
Intercept Depth
372 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:372-382.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 2.1 %·m is below.

Negative factors

  • 0.2 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.2”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 46

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · silverGrade: 362Grade Unit: g/tIntercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
362
Grade Unit
g/t
Intercept
1.5 m
True Width
46 m
From
381 m
To
382.5 m
Intercept Depth
381 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:381-382.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 362 g/t silver is strong against the default band [500, 200, 100, 30] g/t. Grade×width 543.0 g/t·m is weak (grade alone is strong; the better of the two is used).

Positive factors

  • 362 g/t silver is strong on the default band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“362”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 46

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · leadGrade: 0.1Grade Unit: %Intercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
1.5 m
True Width
46 m
From
381 m
To
382.5 m
Intercept Depth
381 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:381-382.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 0.2 %·m is below.

Negative factors

  • 0.1 % lead is below the weak threshold (1 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.1”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 46

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · zincGrade: 0.2Grade Unit: %Intercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
1.5 m
True Width
46 m
From
381 m
To
382.5 m
Intercept Depth
381 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:381-382.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 0.3 %·m is below.

Negative factors

  • 0.2 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.2”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 46

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · silverGrade: 90Grade Unit: g/tIntercept: 4.5 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
90
Grade Unit
g/t
Intercept
4.5 m
True Width
46 m
From
385.5 m
To
390 m
Intercept Depth
385.5 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:385.5-390
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 90 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 405.0 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“90”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 46

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · leadGrade: 0.1Grade Unit: %Intercept: 4.5 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
4.5 m
True Width
46 m
From
385.5 m
To
390 m
Intercept Depth
385.5 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:385.5-390
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 0.5 %·m is below.

Negative factors

  • 0.1 % lead is below the weak threshold (1 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.1”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 46

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · zincGrade: 0.2Grade Unit: %Intercept: 4.5 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
4.5 m
True Width
46 m
From
385.5 m
To
390 m
Intercept Depth
385.5 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:385.5-390
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 0.9 %·m is below.

Negative factors

  • 0.2 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.2”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 46

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · silverGrade: 102Grade Unit: g/tIntercept: 4.5 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
102
Grade Unit
g/t
Intercept
4.5 m
True Width
46 m
From
394.5 m
To
399 m
Intercept Depth
394.5 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:394.5-399
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 102 g/t silver is moderate against the default band [500, 200, 100, 30] g/t. Grade×width 459.0 g/t·m is weak (grade alone is moderate; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“102”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 46

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · leadGrade: 0.2Grade Unit: %Intercept: 4.5 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
4.5 m
True Width
46 m
From
394.5 m
To
399 m
Intercept Depth
394.5 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:394.5-399
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 0.9 %·m is below.

Negative factors

  • 0.2 % lead is below the weak threshold (1 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.2”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 46

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · zincGrade: 0.2Grade Unit: %Intercept: 4.5 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
4.5 m
True Width
46 m
From
394.5 m
To
399 m
Intercept Depth
394.5 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:394.5-399
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 0.9 %·m is below.

Negative factors

  • 0.2 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.2”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 46

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · silverGrade: 104Grade Unit: g/tIntercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
104
Grade Unit
g/t
Intercept
0.5 m
True Width
46 m
From
412 m
To
412.5 m
Intercept Depth
412 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:412-412.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 104 g/t silver is moderate against the default band [500, 200, 100, 30] g/t. Grade×width 52.0 g/t·m is below (grade alone is moderate; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“104”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 46

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · leadGrade: 0.1Grade Unit: %Intercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
0.5 m
True Width
46 m
From
412 m
To
412.5 m
Intercept Depth
412 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:412-412.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 0.1 %·m is below.

Negative factors

  • 0.1 % lead is below the weak threshold (1 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.1”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 46

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · zincGrade: 0.2Grade Unit: %Intercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
0.5 m
True Width
46 m
From
412 m
To
412.5 m
Intercept Depth
412 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:412-412.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 0.1 %·m is below.

Negative factors

  • 0.2 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.2”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 46

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · silverGrade: 47Grade Unit: g/tIntercept: 6 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
47
Grade Unit
g/t
Intercept
6 m
True Width
50 m
From
80 m
To
86 m
Intercept Depth
80 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:80-86
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 47 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 282.0 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“47”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 50

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · leadGrade: 0Grade Unit: %Intercept: 6 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
6 m
True Width
50 m
From
80 m
To
86 m
Intercept Depth
80 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:80-86
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 0.0 %·m is below.

Negative factors

  • 0 % lead is below the weak threshold (1 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.0”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 50

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · zincGrade: 0.1Grade Unit: %Intercept: 6 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
6 m
True Width
50 m
From
80 m
To
86 m
Intercept Depth
80 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:80-86
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 0.6 %·m is below.

Negative factors

  • 0.1 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.1”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 50

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · silverGrade: 159Grade Unit: g/tIntercept: 7 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
159
Grade Unit
g/t
Intercept
7 m
True Width
50 m
From
164 m
To
171 m
Intercept Depth
164 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:164-171
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 159 g/t silver is moderate against the default band [500, 200, 100, 30] g/t. Grade×width 1113.0 g/t·m is moderate.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“159”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 50

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · leadGrade: 0.1Grade Unit: %Intercept: 7 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
7 m
True Width
50 m
From
164 m
To
171 m
Intercept Depth
164 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:164-171
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 0.7 %·m is below.

Negative factors

  • 0.1 % lead is below the weak threshold (1 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.1”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 50

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · zincGrade: 0.4Grade Unit: %Intercept: 7 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.4
Grade Unit
%
Intercept
7 m
True Width
50 m
From
164 m
To
171 m
Intercept Depth
164 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:164-171
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.4 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 2.8 %·m is below.

Negative factors

  • 0.4 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.4”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 50

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · silverGrade: 584Grade Unit: g/tIntercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
584
Grade Unit
g/t
Intercept
1.5 m
True Width
50 m
From
168 m
To
169.5 m
Intercept Depth
168 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:168-169.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 584 g/t silver is exceptional against the default band [500, 200, 100, 30] g/t. Grade×width 876.0 g/t·m is weak (grade alone is exceptional; the better of the two is used).

Positive factors

  • 584 g/t silver is exceptional on the default band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“584”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 50

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · leadGrade: 0.2Grade Unit: %Intercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
1.5 m
True Width
50 m
From
168 m
To
169.5 m
Intercept Depth
168 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:168-169.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 0.3 %·m is below.

Negative factors

  • 0.2 % lead is below the weak threshold (1 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.2”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 50

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · zincGrade: 1.1Grade Unit: %Intercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
1.1
Grade Unit
%
Intercept
1.5 m
True Width
50 m
From
168 m
To
169.5 m
Intercept Depth
168 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:168-169.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 1.1 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 1.7 %·m is below.

Negative factors

  • 1.1 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.1”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 50

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · silverGrade: 125Grade Unit: g/tIntercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
125
Grade Unit
g/t
Intercept
1.5 m
True Width
50 m
From
310 m
To
311.5 m
Intercept Depth
310 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:310-311.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 125 g/t silver is moderate against the default band [500, 200, 100, 30] g/t. Grade×width 187.5 g/t·m is below (grade alone is moderate; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“125”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 50

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · leadGrade: 0.3Grade Unit: %Intercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.3
Grade Unit
%
Intercept
1.5 m
True Width
50 m
From
310 m
To
311.5 m
Intercept Depth
310 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:310-311.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 0.4 %·m is below.

Negative factors

  • 0.3 % lead is below the weak threshold (1 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.3”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 50

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · zincGrade: 0.3Grade Unit: %Intercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.3
Grade Unit
%
Intercept
1.5 m
True Width
50 m
From
310 m
To
311.5 m
Intercept Depth
310 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:310-311.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 0.4 %·m is below.

Negative factors

  • 0.3 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.3”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 50

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · silverGrade: 46Grade Unit: g/tIntercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
46
Grade Unit
g/t
Intercept
1.5 m
True Width
50 m
From
340 m
To
341 m
Intercept Depth
340 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:340-341
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 46 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 69.0 g/t·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“46”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 50

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · goldGrade: 1.8Grade Unit: g/tIntercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
1.8
Grade Unit
g/t
Intercept
1.5 m
True Width
50 m
From
340 m
To
341 m
Intercept Depth
340 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:340-341
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 1.8 g/t gold is below against the underground mining band [15, 7, 4, 2.5] g/t. Grade×width 2.7 g/t·m is below.

Negative factors

  • 1.8 g/t gold is below the weak threshold (2.5 g/t) on the underground mining band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.80”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 50

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · leadGrade: 1.8Grade Unit: %Intercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
1.8
Grade Unit
%
Intercept
1.5 m
True Width
50 m
From
340 m
To
341 m
Intercept Depth
340 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:340-341
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 1.8 % lead is weak against the default band [10, 6, 3, 1] %. Grade×width 2.7 %·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.8”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 50

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · zincGrade: 3.7Grade Unit: %Intercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
3.7
Grade Unit
%
Intercept
1.5 m
True Width
50 m
From
340 m
To
341 m
Intercept Depth
340 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:340-341
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 3.7 % zinc is weak against the default band [18, 10, 5, 2] %. Grade×width 5.6 %·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“3.7”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 50

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · silverGrade: 212Grade Unit: g/tIntercept: 3.2 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
212
Grade Unit
g/t
Intercept
3.2 m
True Width
47 m
From
274.8 m
To
278 m
Intercept Depth
274.8 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:274.8-278
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 212 g/t silver is strong against the default band [500, 200, 100, 30] g/t. Grade×width 678.4 g/t·m is weak (grade alone is strong; the better of the two is used).

Positive factors

  • 212 g/t silver is strong on the default band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“212”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 47

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · leadGrade: 0.2Grade Unit: %Intercept: 3.2 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
3.2 m
True Width
47 m
From
274.8 m
To
278 m
Intercept Depth
274.8 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:274.8-278
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 0.6 %·m is below.

Negative factors

  • 0.2 % lead is below the weak threshold (1 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.2”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 47

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · zincGrade: 0.6Grade Unit: %Intercept: 3.2 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.6
Grade Unit
%
Intercept
3.2 m
True Width
47 m
From
274.8 m
To
278 m
Intercept Depth
274.8 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:274.8-278
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.6 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 1.9 %·m is below.

Negative factors

  • 0.6 % zinc is below the weak threshold (2 %) 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

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 47

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · silverGrade: 756Grade Unit: g/tIntercept: 0.7 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
756
Grade Unit
g/t
Intercept
0.7 m
True Width
47 m
From
274.8 m
To
275.5 m
Intercept Depth
274.8 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:274.8-275.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 756 g/t silver is exceptional against the default band [500, 200, 100, 30] g/t. Grade×width 529.2 g/t·m is weak (grade alone is exceptional; the better of the two is used).

Positive factors

  • 756 g/t silver is exceptional on the default band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“756”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 47

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · leadGrade: 0.6Grade Unit: %Intercept: 0.7 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.6
Grade Unit
%
Intercept
0.7 m
True Width
47 m
From
274.8 m
To
275.5 m
Intercept Depth
274.8 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:274.8-275.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.6 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 0.4 %·m is below.

Negative factors

  • 0.6 % lead is below the weak threshold (1 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.6”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 47

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · zincGrade: 2.5Grade Unit: %Intercept: 0.7 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
2.5
Grade Unit
%
Intercept
0.7 m
True Width
47 m
From
274.8 m
To
275.5 m
Intercept Depth
274.8 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:274.8-275.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 2.5 % zinc is weak against the default band [18, 10, 5, 2] %. Grade×width 1.8 %·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“2.5”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 47

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · silverGrade: 157Grade Unit: g/tIntercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
157
Grade Unit
g/t
Intercept
0.5 m
True Width
47 m
From
385 m
To
385.5 m
Intercept Depth
385 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:385-385.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 157 g/t silver is moderate against the default band [500, 200, 100, 30] g/t. Grade×width 78.5 g/t·m is below (grade alone is moderate; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“157”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 47

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · leadGrade: 0.1Grade Unit: %Intercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
0.5 m
True Width
47 m
From
385 m
To
385.5 m
Intercept Depth
385 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:385-385.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 0.1 %·m is below.

Negative factors

  • 0.1 % lead is below the weak threshold (1 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.1”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 47

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · zincGrade: 0.5Grade Unit: %Intercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.5
Grade Unit
%
Intercept
0.5 m
True Width
47 m
From
385 m
To
385.5 m
Intercept Depth
385 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:385-385.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.5 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 0.3 %·m is below.

Negative factors

  • 0.5 % zinc is below the weak threshold (2 %) 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

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 47

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · silverGrade: 166Grade Unit: g/tIntercept: 1 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
166
Grade Unit
g/t
Intercept
1 m
True Width
71 m
From
179 m
To
180 m
Intercept Depth
179 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:179-180
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 166 g/t silver is moderate against the default band [500, 200, 100, 30] g/t. Grade×width 166.0 g/t·m is below (grade alone is moderate; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“166”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 71

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · leadGrade: 0.2Grade Unit: %Intercept: 1 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
1 m
True Width
71 m
From
179 m
To
180 m
Intercept Depth
179 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:179-180
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 0.2 %·m is below.

Negative factors

  • 0.2 % lead is below the weak threshold (1 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.2”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 71

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · zincGrade: 0.2Grade Unit: %Intercept: 1 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
1 m
True Width
71 m
From
179 m
To
180 m
Intercept Depth
179 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:179-180
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 0.2 %·m is below.

Negative factors

  • 0.2 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.2”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 71

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · silverGrade: 73Grade Unit: g/tIntercept: 7 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
73
Grade Unit
g/t
Intercept
7 m
True Width
71 m
From
215 m
To
222 m
Intercept Depth
215 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:215-222
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 73 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 511.0 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“73”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 71

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · goldGrade: 0.02Grade Unit: g/tIntercept: 7 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.02
Grade Unit
g/t
Intercept
7 m
True Width
71 m
From
215 m
To
222 m
Intercept Depth
215 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:215-222
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.02 g/t gold is below against the underground mining band [15, 7, 4, 2.5] g/t. Grade×width 0.1 g/t·m is below.

Negative factors

  • 0.02 g/t gold is below the weak threshold (2.5 g/t) on the underground mining band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.02”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 71

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · leadGrade: 0.1Grade Unit: %Intercept: 7 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
7 m
True Width
71 m
From
215 m
To
222 m
Intercept Depth
215 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:215-222
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 0.7 %·m is below.

Negative factors

  • 0.1 % lead is below the weak threshold (1 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.1”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 71

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · zincGrade: 0.2Grade Unit: %Intercept: 7 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
7 m
True Width
71 m
From
215 m
To
222 m
Intercept Depth
215 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:215-222
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 1.4 %·m is below.

Negative factors

  • 0.2 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.2”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 71

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · silverGrade: 177Grade Unit: g/tIntercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
177
Grade Unit
g/t
Intercept
1.5 m
True Width
71 m
From
216 m
To
217.5 m
Intercept Depth
216 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:216-217.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 177 g/t silver is moderate against the default band [500, 200, 100, 30] g/t. Grade×width 265.5 g/t·m is weak (grade alone is moderate; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“177”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 71

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · goldGrade: 0.06Grade Unit: g/tIntercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.06
Grade Unit
g/t
Intercept
1.5 m
True Width
71 m
From
216 m
To
217.5 m
Intercept Depth
216 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:216-217.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.06 g/t gold is below against the underground mining band [15, 7, 4, 2.5] g/t. Grade×width 0.1 g/t·m is below.

Negative factors

  • 0.06 g/t gold is below the weak threshold (2.5 g/t) on the underground mining band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.06”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 71

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · leadGrade: 0.3Grade Unit: %Intercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.3
Grade Unit
%
Intercept
1.5 m
True Width
71 m
From
216 m
To
217.5 m
Intercept Depth
216 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:216-217.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 0.4 %·m is below.

Negative factors

  • 0.3 % lead is below the weak threshold (1 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.3”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 71

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · zincGrade: 0.6Grade Unit: %Intercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.6
Grade Unit
%
Intercept
1.5 m
True Width
71 m
From
216 m
To
217.5 m
Intercept Depth
216 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:216-217.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.6 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 0.9 %·m is below.

Negative factors

  • 0.6 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.6”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 71

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · silverGrade: 10Grade Unit: g/tIntercept: 101 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
10
Grade Unit
g/t
Intercept
101 m
True Width
71 m
From
234 m
To
335 m
Intercept Depth
234 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:234-335
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 10 g/t silver is moderate against the default band [500, 200, 100, 30] g/t. Grade×width 1010.0 g/t·m is moderate (grade alone is below; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“10”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 71

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · goldGrade: 0.18Grade Unit: g/tIntercept: 101 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.18
Grade Unit
g/t
Intercept
101 m
True Width
71 m
From
234 m
To
335 m
Intercept Depth
234 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:234-335
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.18 g/t gold is weak against the underground mining band [15, 7, 4, 2.5] g/t. Grade×width 18.2 g/t·m is weak (grade alone is below; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.18”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 71

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · zincGrade: 0Grade Unit: %Intercept: 101 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
101 m
True Width
71 m
From
234 m
To
335 m
Intercept Depth
234 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:234-335
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 0.0 %·m is below.

Negative factors

  • 0 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.0”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 71

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · silverGrade: 11Grade Unit: g/tIntercept: 6 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
11
Grade Unit
g/t
Intercept
6 m
True Width
71 m
From
264 m
To
270 m
Intercept Depth
264 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:264-270
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 11 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 66.0 g/t·m is below.

Negative factors

  • 11 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

“11”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 71

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · goldGrade: 0.85Grade Unit: g/tIntercept: 6 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.85
Grade Unit
g/t
Intercept
6 m
True Width
71 m
From
264 m
To
270 m
Intercept Depth
264 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:264-270
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.85 g/t gold is below against the underground mining band [15, 7, 4, 2.5] g/t. Grade×width 5.1 g/t·m is below.

Negative factors

  • 0.85 g/t gold is below the weak threshold (2.5 g/t) on the underground mining band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.85”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 71

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · goldGrade: 0.2Grade Unit: g/tIntercept: 26.5 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
g/t
Intercept
26.5 m
True Width
71 m
From
506 m
To
532.5 m
Intercept Depth
506 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:506-532.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 g/t gold is below against the underground mining band [15, 7, 4, 2.5] g/t. Grade×width 5.3 g/t·m is below.

Negative factors

  • 0.2 g/t gold is below the weak threshold (2.5 g/t) on the underground mining band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.20”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 71

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · goldGrade: 0.53Grade Unit: g/tIntercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.53
Grade Unit
g/t
Intercept
1.5 m
True Width
71 m
From
540 m
To
541.5 m
Intercept Depth
540 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:540-541.5
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.53 g/t gold is below against the underground mining band [15, 7, 4, 2.5] g/t. Grade×width 0.8 g/t·m is below.

Negative factors

  • 0.53 g/t gold is below the weak threshold (2.5 g/t) on the underground mining band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.53”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 71

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · silverGrade: 921Grade Unit: g/tIntercept: 0.7 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
921
Grade Unit
g/t
Intercept
0.7 m
True Width
59 m
From
214.3 m
To
215 m
Intercept Depth
214.3 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:214.3-215
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 921 g/t silver is exceptional against the default band [500, 200, 100, 30] g/t. Grade×width 644.7 g/t·m is weak (grade alone is exceptional; the better of the two is used).

Positive factors

  • 921 g/t silver is exceptional on the default band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“921”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 59

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · goldGrade: 0.12Grade Unit: g/tIntercept: 0.7 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.12
Grade Unit
g/t
Intercept
0.7 m
True Width
59 m
From
214.3 m
To
215 m
Intercept Depth
214.3 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:214.3-215
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.12 g/t gold is below against the underground mining band [15, 7, 4, 2.5] g/t. Grade×width 0.1 g/t·m is below.

Negative factors

  • 0.12 g/t gold is below the weak threshold (2.5 g/t) on the underground mining band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.12”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 59

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · leadGrade: 2.6Grade Unit: %Intercept: 0.7 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
2.6
Grade Unit
%
Intercept
0.7 m
True Width
59 m
From
214.3 m
To
215 m
Intercept Depth
214.3 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:214.3-215
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 2.6 % lead is weak against the default band [10, 6, 3, 1] %. Grade×width 1.8 %·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“2.6”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 59

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · zincGrade: 6Grade Unit: %Intercept: 0.7 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
6
Grade Unit
%
Intercept
0.7 m
True Width
59 m
From
214.3 m
To
215 m
Intercept Depth
214.3 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:214.3-215
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 6 % zinc is moderate against the default band [18, 10, 5, 2] %. Grade×width 4.2 %·m is below (grade alone is moderate; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“6.0”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 59

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · silverGrade: 28Grade Unit: g/tIntercept: 27 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
28
Grade Unit
g/t
Intercept
27 m
True Width
59 m
From
225 m
To
252 m
Intercept Depth
225 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:225-252
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 28 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 756.0 g/t·m is weak (grade alone is below; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“28”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 59

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · goldGrade: 0.22Grade Unit: g/tIntercept: 27 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.22
Grade Unit
g/t
Intercept
27 m
True Width
59 m
From
225 m
To
252 m
Intercept Depth
225 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:225-252
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.22 g/t gold is below against the underground mining band [15, 7, 4, 2.5] g/t. Grade×width 5.9 g/t·m is below.

Negative factors

  • 0.22 g/t gold is below the weak threshold (2.5 g/t) on the underground mining band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.22”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 59

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · leadGrade: 0Grade Unit: %Intercept: 27 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
27 m
True Width
59 m
From
225 m
To
252 m
Intercept Depth
225 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:225-252
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 0.0 %·m is below.

Negative factors

  • 0 % lead is below the weak threshold (1 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.0”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 59

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · zincGrade: 0Grade Unit: %Intercept: 27 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
27 m
True Width
59 m
From
225 m
To
252 m
Intercept Depth
225 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:225-252
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 0.0 %·m is below.

Negative factors

  • 0 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.0”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 59

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · silverGrade: 847Grade Unit: g/tIntercept: 0.55 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
847
Grade Unit
g/t
Intercept
0.55 m
True Width
59 m
From
233.8 m
To
234.35 m
Intercept Depth
233.8 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:233.8-234.35
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 847 g/t silver is exceptional against the default band [500, 200, 100, 30] g/t. Grade×width 465.9 g/t·m is weak (grade alone is exceptional; the better of the two is used).

Positive factors

  • 847 g/t silver is exceptional on the default band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“847”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 59

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · goldGrade: 0.18Grade Unit: g/tIntercept: 0.55 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.18
Grade Unit
g/t
Intercept
0.55 m
True Width
59 m
From
233.8 m
To
234.35 m
Intercept Depth
233.8 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:233.8-234.35
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.18 g/t gold is below against the underground mining band [15, 7, 4, 2.5] g/t. Grade×width 0.1 g/t·m is below.

Negative factors

  • 0.18 g/t gold is below the weak threshold (2.5 g/t) on the underground mining band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.18”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 59

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · leadGrade: 0.4Grade Unit: %Intercept: 0.55 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.4
Grade Unit
%
Intercept
0.55 m
True Width
59 m
From
233.8 m
To
234.35 m
Intercept Depth
233.8 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:233.8-234.35
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.4 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 0.2 %·m is below.

Negative factors

  • 0.4 % lead is below the weak threshold (1 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.4”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 59

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

InclColumba High Grade · zincGrade: 0.3Grade Unit: %Intercept: 0.55 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.3
Grade Unit
%
Intercept
0.55 m
True Width
59 m
From
233.8 m
To
234.35 m
Intercept Depth
233.8 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:233.8-234.35
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 0.2 %·m is below.

Negative factors

  • 0.3 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.3”

Context: Incl

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 59

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · silverGrade: 32Grade Unit: g/tIntercept: 12 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
32
Grade Unit
g/t
Intercept
12 m
True Width
59 m
From
263 m
To
275 m
Intercept Depth
263 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:263-275
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 32 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 384.0 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“32”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 59

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · goldGrade: 0.21Grade Unit: g/tIntercept: 12 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.21
Grade Unit
g/t
Intercept
12 m
True Width
59 m
From
263 m
To
275 m
Intercept Depth
263 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:263-275
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.21 g/t gold is below against the underground mining band [15, 7, 4, 2.5] g/t. Grade×width 2.5 g/t·m is below.

Negative factors

  • 0.21 g/t gold is below the weak threshold (2.5 g/t) on the underground mining band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.21”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 59

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · leadGrade: 0Grade Unit: %Intercept: 12 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
12 m
True Width
59 m
From
263 m
To
275 m
Intercept Depth
263 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:263-275
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 0.0 %·m is below.

Negative factors

  • 0 % lead is below the weak threshold (1 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.0”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 59

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · silverGrade: 255Grade Unit: g/tIntercept: 1.25 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
255
Grade Unit
g/t
Intercept
1.25 m
True Width
59 m
From
283.65 m
To
284.9 m
Intercept Depth
283.65 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:283.65-284.9
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 255 g/t silver is strong against the default band [500, 200, 100, 30] g/t. Grade×width 318.8 g/t·m is weak (grade alone is strong; the better of the two is used).

Positive factors

  • 255 g/t silver is strong on the default band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“255”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 59

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · leadGrade: 0.4Grade Unit: %Intercept: 1.25 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.4
Grade Unit
%
Intercept
1.25 m
True Width
59 m
From
283.65 m
To
284.9 m
Intercept Depth
283.65 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:283.65-284.9
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.4 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 0.5 %·m is below.

Negative factors

  • 0.4 % lead is below the weak threshold (1 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.4”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 59

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · zincGrade: 1.7Grade Unit: %Intercept: 1.25 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
1.7
Grade Unit
%
Intercept
1.25 m
True Width
59 m
From
283.65 m
To
284.9 m
Intercept Depth
283.65 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:283.65-284.9
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 1.7 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 2.1 %·m is below.

Negative factors

  • 1.7 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.7”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 59

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · silverGrade: 26Grade Unit: g/tIntercept: 16 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
26
Grade Unit
g/t
Intercept
16 m
True Width
59 m
From
310 m
To
326 m
Intercept Depth
310 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:310-326
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 26 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 416.0 g/t·m is weak (grade alone is below; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“26”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 59

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · goldGrade: 0.32Grade Unit: g/tIntercept: 16 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.32
Grade Unit
g/t
Intercept
16 m
True Width
59 m
From
310 m
To
326 m
Intercept Depth
310 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:310-326
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.32 g/t gold is below against the underground mining band [15, 7, 4, 2.5] g/t. Grade×width 5.1 g/t·m is below.

Negative factors

  • 0.32 g/t gold is below the weak threshold (2.5 g/t) on the underground mining band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.32”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 59

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · leadGrade: 0Grade Unit: %Intercept: 16 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
16 m
True Width
59 m
From
310 m
To
326 m
Intercept Depth
310 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:310-326
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 0.0 %·m is below.

Negative factors

  • 0 % lead is below the weak threshold (1 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.0”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 59

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

AndColumba High Grade · zincGrade: 0.1Grade Unit: %Intercept: 16 mView all details
Link to this fact

Identity

Hole ID
And
Project
Columba High Grade
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
16 m
True Width
59 m
From
310 m
To
326 m
Intercept Depth
310 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
And:310-326
Mining Method
underground

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 1.6 %·m is below.

Negative factors

  • 0.1 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.1”

Context: And

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 59

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Resource Estimates (1)

inferredColumba High Grade Silver Project · silverGrade: 284Grade Unit: g/tContained Metal: 54.1Contained Unit: mozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Columba High Grade Silver Project
Commodity
silver
Region
mexico
Reported Region
Chihuahua, Mexico
Ticker
KTN

Resource scope

Estimate type
resource
Effective date
2025-05-29T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Ben Eggers, Allan Armitage
Resource group id
resource:0dc8702d51666ecb172b

Resource Data

Category
inferred
Grade
284
Grade Unit
g/t
Contained Metal
54.1
Contained Unit
moz

Prior Estimate

Resource Date
2025-05-29

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-06-17T00:00:00.000Z

Dates

Event date
2025-11-19T00:00:00.000Z

Reasoning: The document references a historical inferred mineral resource estimate for silver, which is high-grade but lacks higher confidence categories.

Positive factors

  • High-grade inferred resource

Negative factors

  • Estimate is historical and not new to this release
  • Resource is entirely in the inferred category

Evidence · text

“inferred Mineral Resource Estimate totaling 54.1 Moz of silver at a grade of 284 gpt ( see News Release June 17, 2025 )”

Tags used in scoring

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

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

Why it applies: reporting_standards includes ni_43_101

How Atlas produces this analysis

Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.