Columba drilling returns 10 meters of 503 gpt silver, 0.1% lead, 0.6% zinc and 9.88 meters of 319 gpt silver, 0.1% lead and 0.6% zinc from the Columba Drill Program

Original announcement by tmx on

Company
Kootenay Silver Inc.
Ticker
KTN
Exchange
TSX
Region
Chihuahua, Mexico
Primary commodity
Silver
Secondary commodities
Lead, Zinc
Document categories
Drill results, Resource update
Extracted
2026-09-18 06:56:50 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Kootenay Silver Inc. announced additional high-grade silver, lead, and zinc assay results from its Columba High-Grade Silver Project in Chihuahua, Mexico. Highlights include 10 meters of 503 gpt silver (5.30m true width) and 9.88 meters of 319 gpt silver (6.08m true width), with several bonanza-grade sub-intervals. The expansion drilling program, now extended to 60,000 meters, continues to target step-outs from known resource bodies, successfully extending mineralization at depth and along strike in the Lupe and B2 Vein systems. The project is fully funded, and QA/QC procedures are well-documented.

Reasoning: The announcement reports multiple high-grade silver intercepts, including bonanza grades, with associated lead and zinc. The drilling is explicitly described as expansion drilling, successfully extending known mineralization at depth and along strike, which is a strong positive for a project with an existing Inferred resource. QA/QC is well-documented, enhancing confidence in the results. The project is fully funded for the current drill campaign. While some intercepts are narrow, the high grades and true width disclosures are positive. The existing resource is still Inferred, which is typical for this stage but limits immediate economic confidence.

Positive factors

  • High-grade silver intercepts, including bonanza grades over narrow widths.
  • Significant true width reported for key intercepts.
  • Expansion drilling successfully extends mineralization along strike and to depth.
  • QA/QC procedures are well-documented, including certified labs and QP sign-off.
  • Project is fully funded for the current drill campaign.

Negative factors

  • Some intercepts are narrow, requiring high grades to be economic.
  • The MRE is currently entirely Inferred, indicating early-stage confidence.

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

Facts used in scoring: 139

Extracted facts

Stored fact records: 139. Some facts used in scoring do not have a stored record.

Drill Results (138)

CDH-25-228Columba · silverGrade: 184Grade Unit: g/tIntercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-228
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
184
Grade Unit
g/t
Intercept
0.5 m
True Width
0.31 m
From
225.5 m
To
226 m
Intercept Depth
225.5 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-228:225.5-226
Mining Method
underground

Location

Location
B2 Vein (Lupe intercept above grade line)
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: This is a narrow intercept with a moderate silver grade, contributing to overall understanding but not a highlight.

Negative factors

  • Narrow intercept length.
  • Grade is below average for epithermal silver deposits.

Evidence · table

“184”

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 0.31

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-25-228Columba · leadGrade: 0.1Grade Unit: %Intercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-228
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
0.5 m
True Width
0.31 m
From
225.5 m
To
226 m
Intercept Depth
225.5 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-228:225.5-226
Mining Method
underground

Location

Location
B2 Vein (Lupe intercept above grade line)
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low lead grade over a narrow interval, contributing to polymetallic context but not a significant highlight.

Negative factors

  • Low grade for lead.

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 0.31

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-25-228Columba · zincGrade: 0.2Grade Unit: %Intercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-228
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
0.5 m
True Width
0.31 m
From
225.5 m
To
226 m
Intercept Depth
225.5 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-228:225.5-226
Mining Method
underground

Location

Location
B2 Vein (Lupe intercept above grade line)
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low zinc grade over a narrow interval, contributing to polymetallic context but not a significant highlight.

Negative factors

  • Low grade for zinc.

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 0.31

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-25-229Columba · silverGrade: 34Grade Unit: g/tIntercept: 13.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-229
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
34
Grade Unit
g/t
Intercept
13.5 m
True Width
8.12 m
From
244 m
To
257.5 m
Intercept Depth
244 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-229:244-257.5
Mining Method
underground

Location

Location
Lupe Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A broad intercept but with a very low silver grade, indicating minor mineralization.

Negative factors

  • Low grade for silver in an epithermal system.

Evidence · table

“34”

Context: 13.50

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 8.12

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-25-229Columba · leadGrade: 0Grade Unit: %Intercept: 13.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-229
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
13.5 m
True Width
8.12 m
From
244 m
To
257.5 m
Intercept Depth
244 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-229:244-257.5
Mining Method
underground

Location

Location
Lupe Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: No significant lead grade reported for this interval.

Negative factors

  • No significant lead grade.

Evidence · table

“0.0”

Context: 13.50

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 8.12

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-25-229Columba · zincGrade: 0Grade Unit: %Intercept: 13.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-229
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
13.5 m
True Width
8.12 m
From
244 m
To
257.5 m
Intercept Depth
244 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-229:244-257.5
Mining Method
underground

Location

Location
Lupe Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: No significant zinc grade reported for this interval.

Negative factors

  • No significant zinc grade.

Evidence · table

“0.0”

Context: 13.50

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 8.12

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-25-229Columba · silverGrade: 115Grade Unit: g/tIntercept: 2 mView all details
Link to this fact

Identity

Hole ID
CDH-25-229
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
115
Grade Unit
g/t
Intercept
2 m
True Width
1.2 m
From
253.5 m
To
255.5 m
Intercept Depth
244 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-229:253.5-255.5
Mining Method
underground

Location

Location
Lupe Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A sub-interval with a moderate silver grade, but still below the project average.

Negative factors

  • Moderate grade over a narrow interval.

Evidence · table

“115”

Context: 2.00

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 1.2

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-25-229Columba · leadGrade: 0Grade Unit: %Intercept: 2 mView all details
Link to this fact

Identity

Hole ID
CDH-25-229
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
2 m
True Width
1.2 m
From
253.5 m
To
255.5 m
Intercept Depth
244 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-229:253.5-255.5
Mining Method
underground

Location

Location
Lupe Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: No significant lead grade reported for this sub-interval.

Negative factors

  • No significant lead grade.

Evidence · table

“0.0”

Context: 2.00

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 1.2

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-25-229Columba · zincGrade: 0.1Grade Unit: %Intercept: 2 mView all details
Link to this fact

Identity

Hole ID
CDH-25-229
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
2 m
True Width
1.2 m
From
253.5 m
To
255.5 m
Intercept Depth
244 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-229:253.5-255.5
Mining Method
underground

Location

Location
Lupe Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low zinc grade over a narrow sub-interval.

Negative factors

  • Low grade for zinc.

Evidence · table

“0.1”

Context: 2.00

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 1.2

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-25-229Columba · silverGrade: 199Grade Unit: g/tIntercept: 0.63 mView all details
Link to this fact

Identity

Hole ID
CDH-25-229
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
199
Grade Unit
g/t
Intercept
0.63 m
True Width
0.38 m
From
313.37 m
To
314 m
Intercept Depth
244 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-229:313.37-314
Mining Method
underground

Location

Location
B2 Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A narrow intercept with a moderate silver grade, contributing to the overall geological model.

Negative factors

  • Narrow intercept length.

Evidence · table

“199”

Context: 0.63

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 0.38

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-25-229Columba · leadGrade: 0.1Grade Unit: %Intercept: 0.63 mView all details
Link to this fact

Identity

Hole ID
CDH-25-229
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
0.63 m
True Width
0.38 m
From
313.37 m
To
314 m
Intercept Depth
244 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-229:313.37-314
Mining Method
underground

Location

Location
B2 Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low lead grade over a narrow interval.

Negative factors

  • Low grade for lead.

Evidence · table

“0.1”

Context: 0.63

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 0.38

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-25-229Columba · zincGrade: 0.1Grade Unit: %Intercept: 0.63 mView all details
Link to this fact

Identity

Hole ID
CDH-25-229
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
0.63 m
True Width
0.38 m
From
313.37 m
To
314 m
Intercept Depth
244 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-229:313.37-314
Mining Method
underground

Location

Location
B2 Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low zinc grade over a narrow interval.

Negative factors

  • Low grade for zinc.

Evidence · table

“0.1”

Context: 0.63

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 0.38

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-25-229Columba · silverGrade: 203Grade Unit: g/tIntercept: 1.25 mView all details
Link to this fact

Identity

Hole ID
CDH-25-229
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
203
Grade Unit
g/t
Intercept
1.25 m
True Width
0.75 m
From
382.75 m
To
384 m
Intercept Depth
244 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-229:382.75-384
Mining Method
underground

Location

Location
Footwall to B2
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A narrow intercept with a moderate silver grade, indicating additional mineralization in the footwall.

Negative factors

  • Narrow intercept length.

Evidence · table

“203”

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 0.75

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-25-229Columba · leadGrade: 0.1Grade Unit: %Intercept: 1.25 mView all details
Link to this fact

Identity

Hole ID
CDH-25-229
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
1.25 m
True Width
0.75 m
From
382.75 m
To
384 m
Intercept Depth
244 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-229:382.75-384
Mining Method
underground

Location

Location
Footwall to B2
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low lead grade over a narrow interval.

Negative factors

  • Low grade for lead.

Evidence · table

“0.1”

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 0.75

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-25-229Columba · zincGrade: 0.5Grade Unit: %Intercept: 1.25 mView all details
Link to this fact

Identity

Hole ID
CDH-25-229
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.5
Grade Unit
%
Intercept
1.25 m
True Width
0.75 m
From
382.75 m
To
384 m
Intercept Depth
244 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-229:382.75-384
Mining Method
underground

Location

Location
Footwall to B2
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low zinc grade over a narrow interval.

Negative factors

  • Low grade for zinc.

Evidence · table

“0.5”

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 0.75

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-25-230Columba · silverGrade: 1020Grade Unit: g/tIntercept: 0.7 mView all details
Link to this fact

Identity

Hole ID
CDH-25-230
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
1020
Grade Unit
g/t
Intercept
0.7 m
True Width
0.42 m
From
343.3 m
To
344 m
Intercept Depth
343.3 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-230:343.3-344
Mining Method
underground

Location

Location
HW Vein to D System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: This intercept shows bonanza-grade silver, significantly above the project average and peer comparison, although over a very narrow width. It represents a high-grade vein.

Positive factors

  • Bonanza grade silver intercept.
  • True width disclosed.

Negative factors

  • Very narrow intercept length.

Evidence · table

“1020”

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 0.42

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-25-230Columba · leadGrade: 0.7Grade Unit: %Intercept: 0.7 mView all details
Link to this fact

Identity

Hole ID
CDH-25-230
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.7
Grade Unit
%
Intercept
0.7 m
True Width
0.42 m
From
343.3 m
To
344 m
Intercept Depth
343.3 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-230:343.3-344
Mining Method
underground

Location

Location
HW Vein to D System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A moderate lead grade associated with a bonanza silver intercept, but over a very narrow width.

Negative factors

  • Very narrow intercept length.

Evidence · table

“0.7”

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 0.42

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-25-230Columba · zincGrade: 1.6Grade Unit: %Intercept: 0.7 mView all details
Link to this fact

Identity

Hole ID
CDH-25-230
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
1.6
Grade Unit
%
Intercept
0.7 m
True Width
0.42 m
From
343.3 m
To
344 m
Intercept Depth
343.3 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-230:343.3-344
Mining Method
underground

Location

Location
HW Vein to D System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A moderate zinc grade associated with a bonanza silver intercept, but over a very narrow width.

Negative factors

  • Very narrow intercept length.

Evidence · table

“1.6”

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 0.42

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-25-230Columba · silverGrade: 5Grade Unit: g/tIntercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-230
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
5
Grade Unit
g/t
Intercept
0.5 m
True Width
0.3 m
From
643 m
To
643.5 m
Intercept Depth
343.3 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-230:643-643.5
Mining Method
underground

Location

Location
D Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A very low silver grade over a narrow interval, indicating minimal mineralization.

Negative factors

  • Very low grade for silver.
  • Very narrow intercept length.

Evidence · table

“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 0.3

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-25-230Columba · leadGrade: 0.6Grade Unit: %Intercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-230
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.6
Grade Unit
%
Intercept
0.5 m
True Width
0.3 m
From
643 m
To
643.5 m
Intercept Depth
343.3 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-230:643-643.5
Mining Method
underground

Location

Location
D Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A moderate lead grade over a very narrow interval.

Negative factors

  • Very narrow intercept length.

Evidence · table

“0.6”

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 0.3

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-25-230Columba · zincGrade: 5.1Grade Unit: %Intercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-230
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
5.1
Grade Unit
%
Intercept
0.5 m
True Width
0.3 m
From
643 m
To
643.5 m
Intercept Depth
343.3 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-230:643-643.5
Mining Method
underground

Location

Location
D Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A moderate zinc grade over a very narrow interval, contributing to polymetallic potential.

Negative factors

  • Very narrow intercept length.

Evidence · table

“5.1”

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 0.3

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-25-231Columba · silverGrade: 228Grade Unit: g/tIntercept: 0.6 mView all details
Link to this fact

Identity

Hole ID
CDH-25-231
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
228
Grade Unit
g/t
Intercept
0.6 m
True Width
0.3 m
From
294.4 m
To
295 m
Intercept Depth
294.4 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-231:294.4-295
Mining Method
underground

Location

Location
Lupe Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A narrow intercept with a moderate silver grade, consistent with vein-style mineralization.

Negative factors

  • Narrow intercept length.

Evidence · table

“228”

Context: 0.60

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 0.3

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-25-231Columba · leadGrade: 0Grade Unit: %Intercept: 0.6 mView all details
Link to this fact

Identity

Hole ID
CDH-25-231
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
0.6 m
True Width
0.3 m
From
294.4 m
To
295 m
Intercept Depth
294.4 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-231:294.4-295
Mining Method
underground

Location

Location
Lupe Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: No significant lead grade reported for this interval.

Negative factors

  • No significant lead grade.

Evidence · table

“0.0”

Context: 0.60

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 0.3

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-25-231Columba · zincGrade: 0.1Grade Unit: %Intercept: 0.6 mView all details
Link to this fact

Identity

Hole ID
CDH-25-231
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
0.6 m
True Width
0.3 m
From
294.4 m
To
295 m
Intercept Depth
294.4 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-231:294.4-295
Mining Method
underground

Location

Location
Lupe Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low zinc grade over a narrow interval.

Negative factors

  • Low grade for zinc.

Evidence · table

“0.1”

Context: 0.60

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 0.3

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-25-231Columba · silverGrade: 160Grade Unit: g/tIntercept: 1.05 mView all details
Link to this fact

Identity

Hole ID
CDH-25-231
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
160
Grade Unit
g/t
Intercept
1.05 m
True Width
0.53 m
From
307.15 m
To
308.2 m
Intercept Depth
294.4 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-231:307.15-308.2
Mining Method
underground

Location

Location
Lupe Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A narrow intercept with a moderate silver grade, consistent with vein-style mineralization.

Negative factors

  • Narrow intercept length.

Evidence · table

“160”

Context: 1.05

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 0.53

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

CDH-25-231Columba · leadGrade: 0Grade Unit: %Intercept: 1.05 mView all details
Link to this fact

Identity

Hole ID
CDH-25-231
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
1.05 m
True Width
0.53 m
From
307.15 m
To
308.2 m
Intercept Depth
294.4 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-231:307.15-308.2
Mining Method
underground

Location

Location
Lupe Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: No significant lead grade reported for this interval.

Negative factors

  • No significant lead grade.

Evidence · table

“0.0”

Context: 1.05

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 0.53

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

CDH-25-231Columba · zincGrade: 0.1Grade Unit: %Intercept: 1.05 mView all details
Link to this fact

Identity

Hole ID
CDH-25-231
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
1.05 m
True Width
0.53 m
From
307.15 m
To
308.2 m
Intercept Depth
294.4 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-231:307.15-308.2
Mining Method
underground

Location

Location
Lupe Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low zinc grade over a narrow interval.

Negative factors

  • Low grade for zinc.

Evidence · table

“0.1”

Context: 1.05

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 0.53

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

CDH-25-231Columba · silverGrade: 81Grade Unit: g/tIntercept: 4.15 mView all details
Link to this fact

Identity

Hole ID
CDH-25-231
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
81
Grade Unit
g/t
Intercept
4.15 m
True Width
2.07 m
From
312.85 m
To
317 m
Intercept Depth
294.4 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-231:312.85-317
Mining Method
underground

Location

Location
Lupe Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A moderate width intercept with a low silver grade, indicating minor mineralization.

Negative factors

  • Low grade for silver in an epithermal system.

Evidence · table

“81”

Context: 4.15

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-25-231Columba · leadGrade: 0Grade Unit: %Intercept: 4.15 mView all details
Link to this fact

Identity

Hole ID
CDH-25-231
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
4.15 m
True Width
2.07 m
From
312.85 m
To
317 m
Intercept Depth
294.4 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-231:312.85-317
Mining Method
underground

Location

Location
Lupe Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: No significant lead grade reported for this interval.

Negative factors

  • No significant lead grade.

Evidence · table

“0.0”

Context: 4.15

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-25-231Columba · zincGrade: 0Grade Unit: %Intercept: 4.15 mView all details
Link to this fact

Identity

Hole ID
CDH-25-231
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
4.15 m
True Width
2.07 m
From
312.85 m
To
317 m
Intercept Depth
294.4 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-231:312.85-317
Mining Method
underground

Location

Location
Lupe Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: No significant zinc grade reported for this interval.

Negative factors

  • No significant zinc grade.

Evidence · table

“0.0”

Context: 4.15

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-25-231Columba · silverGrade: 255Grade Unit: g/tIntercept: 0.35 mView all details
Link to this fact

Identity

Hole ID
CDH-25-231
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
255
Grade Unit
g/t
Intercept
0.35 m
True Width
0.18 m
From
415.45 m
To
415.8 m
Intercept Depth
294.4 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-231:415.45-415.8
Mining Method
underground

Location

Location
B2 Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A very narrow intercept with a moderate silver grade, consistent with vein-style mineralization.

Negative factors

  • Very narrow intercept length.

Evidence · table

“255”

Context: 0.35

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 0.18

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-25-231Columba · leadGrade: 0.4Grade Unit: %Intercept: 0.35 mView all details
Link to this fact

Identity

Hole ID
CDH-25-231
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.4
Grade Unit
%
Intercept
0.35 m
True Width
0.18 m
From
415.45 m
To
415.8 m
Intercept Depth
294.4 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-231:415.45-415.8
Mining Method
underground

Location

Location
B2 Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low lead grade over a very narrow interval.

Negative factors

  • Very narrow intercept length.

Evidence · table

“0.4”

Context: 0.35

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 0.18

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-25-231Columba · zincGrade: 0.2Grade Unit: %Intercept: 0.35 mView all details
Link to this fact

Identity

Hole ID
CDH-25-231
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
0.35 m
True Width
0.18 m
From
415.45 m
To
415.8 m
Intercept Depth
294.4 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-231:415.45-415.8
Mining Method
underground

Location

Location
B2 Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low zinc grade over a very narrow interval.

Negative factors

  • Very narrow intercept length.

Evidence · table

“0.2”

Context: 0.35

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 0.18

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-25-232Columba · silverGrade: 76Grade Unit: g/tIntercept: 16.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-232
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
76
Grade Unit
g/t
Intercept
16.5 m
True Width
12.64 m
From
429 m
To
445.5 m
Intercept Depth
429 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-232:429-445.5
Mining Method
underground

Location

Location
D Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A broad intercept with a low silver grade, indicating a wide zone of minor mineralization.

Negative factors

  • Low grade for silver in an epithermal system.

Evidence · table

“76”

Context: 16.50

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 12.64

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-25-232Columba · leadGrade: 0.1Grade Unit: %Intercept: 16.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-232
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
16.5 m
True Width
12.64 m
From
429 m
To
445.5 m
Intercept Depth
429 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-232:429-445.5
Mining Method
underground

Location

Location
D Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low lead grade over a broad interval.

Negative factors

  • Low grade for lead.

Evidence · table

“0.1”

Context: 16.50

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 12.64

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-25-232Columba · zincGrade: 0.2Grade Unit: %Intercept: 16.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-232
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
16.5 m
True Width
12.64 m
From
429 m
To
445.5 m
Intercept Depth
429 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-232:429-445.5
Mining Method
underground

Location

Location
D Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low zinc grade over a broad interval.

Negative factors

  • Low grade for zinc.

Evidence · table

“0.2”

Context: 16.50

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 12.64

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-25-232Columba · silverGrade: 3640Grade Unit: g/tIntercept: 0.3 mView all details
Link to this fact

Identity

Hole ID
CDH-25-232
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
3640
Grade Unit
g/t
Intercept
0.3 m
True Width
0.23 m
From
457.35 m
To
457.65 m
Intercept Depth
429 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-232:457.35-457.65
Mining Method
underground

Location

Location
D Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: This is an exceptionally high-grade silver intercept, well above the bonanza threshold, but over a very narrow width. It indicates the presence of very high-grade vein material.

Positive factors

  • Bonanza grade silver intercept.
  • True width disclosed.

Negative factors

  • Extremely narrow intercept length.

Evidence · table

“3640”

Context: 0.30

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-25-232Columba · leadGrade: 1.2Grade Unit: %Intercept: 0.3 mView all details
Link to this fact

Identity

Hole ID
CDH-25-232
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
1.2
Grade Unit
%
Intercept
0.3 m
True Width
0.23 m
From
457.35 m
To
457.65 m
Intercept Depth
429 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-232:457.35-457.65
Mining Method
underground

Location

Location
D Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A strong lead grade associated with a bonanza silver intercept, but over a very narrow width.

Negative factors

  • Extremely narrow intercept length.

Evidence · table

“1.2”

Context: 0.30

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-25-232Columba · zincGrade: 3.6Grade Unit: %Intercept: 0.3 mView all details
Link to this fact

Identity

Hole ID
CDH-25-232
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
3.6
Grade Unit
%
Intercept
0.3 m
True Width
0.23 m
From
457.35 m
To
457.65 m
Intercept Depth
429 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-232:457.35-457.65
Mining Method
underground

Location

Location
D Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A strong zinc grade associated with a bonanza silver intercept, but over a very narrow width.

Negative factors

  • Extremely narrow intercept length.

Evidence · table

“3.6”

Context: 0.30

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-25-233Columba · silverGrade: 106Grade Unit: g/tIntercept: 1.15 mView all details
Link to this fact

Identity

Hole ID
CDH-25-233
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
106
Grade Unit
g/t
Intercept
1.15 m
True Width
0.61 m
From
158.4 m
To
159.55 m
Intercept Depth
158.4 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-233:158.4-159.55
Mining Method
underground

Location

Location
G Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A narrow intercept with a moderate silver grade, indicating mineralization in the G Vein system.

Negative factors

  • Moderate grade over a narrow interval.

Evidence · table

“106”

Context: 1.15

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 0.61

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-25-233Columba · leadGrade: 0Grade Unit: %Intercept: 1.15 mView all details
Link to this fact

Identity

Hole ID
CDH-25-233
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
1.15 m
True Width
0.61 m
From
158.4 m
To
159.55 m
Intercept Depth
158.4 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-233:158.4-159.55
Mining Method
underground

Location

Location
G Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: No significant lead grade reported for this interval.

Negative factors

  • No significant lead grade.

Evidence · table

“0.0”

Context: 1.15

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 0.61

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-25-233Columba · zincGrade: 0.1Grade Unit: %Intercept: 1.15 mView all details
Link to this fact

Identity

Hole ID
CDH-25-233
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
1.15 m
True Width
0.61 m
From
158.4 m
To
159.55 m
Intercept Depth
158.4 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-233:158.4-159.55
Mining Method
underground

Location

Location
G Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low zinc grade over a narrow interval.

Negative factors

  • Low grade for zinc.

Evidence · table

“0.1”

Context: 1.15

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 0.61

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-25-233Columba · silverGrade: 122Grade Unit: g/tIntercept: 1.35 mView all details
Link to this fact

Identity

Hole ID
CDH-25-233
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
122
Grade Unit
g/t
Intercept
1.35 m
True Width
0.72 m
From
161.65 m
To
163 m
Intercept Depth
158.4 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-233:161.65-163
Mining Method
underground

Location

Location
G Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A narrow intercept with a moderate silver grade, indicating continued mineralization in the G Vein system.

Negative factors

  • Moderate grade over a narrow interval.

Evidence · table

“122”

Context: 1.35

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 0.72

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-25-233Columba · leadGrade: 0.1Grade Unit: %Intercept: 1.35 mView all details
Link to this fact

Identity

Hole ID
CDH-25-233
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
1.35 m
True Width
0.72 m
From
161.65 m
To
163 m
Intercept Depth
158.4 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-233:161.65-163
Mining Method
underground

Location

Location
G Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low lead grade over a narrow interval.

Negative factors

  • Low grade for lead.

Evidence · table

“0.1”

Context: 1.35

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 0.72

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-25-233Columba · zincGrade: 0.1Grade Unit: %Intercept: 1.35 mView all details
Link to this fact

Identity

Hole ID
CDH-25-233
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
1.35 m
True Width
0.72 m
From
161.65 m
To
163 m
Intercept Depth
158.4 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-233:161.65-163
Mining Method
underground

Location

Location
G Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low zinc grade over a narrow interval.

Negative factors

  • Low grade for zinc.

Evidence · table

“0.1”

Context: 1.35

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 0.72

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-25-233Columba · silverGrade: 503Grade Unit: g/tIntercept: 10 mView all details
Link to this fact

Identity

Hole ID
CDH-25-233
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
503
Grade Unit
g/t
Intercept
10 m
True Width
5.3 m
From
372 m
To
382 m
Intercept Depth
372 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-233:372-382
Mining Method
underground

Location

Location
Lupe Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: This is a strong silver intercept, significantly above the project average and peer comparison, over a good width with true width disclosed. It represents a successful step-out at depth in the Lupe Vein System, indicating strong growth potential.

Positive factors

  • High-grade silver intercept, above project average and peer comparison.
  • Significant intercept length and true width disclosed.
  • Step-out extension at depth.

Evidence · table

“503”

Context: 10.00

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 5.3

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-25-233Columba · leadGrade: 0.1Grade Unit: %Intercept: 10 mView all details
Link to this fact

Identity

Hole ID
CDH-25-233
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
10 m
True Width
5.3 m
From
372 m
To
382 m
Intercept Depth
372 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-233:372-382
Mining Method
underground

Location

Location
Lupe Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low lead grade associated with a strong silver intercept over a good width.

Evidence · table

“0.1”

Context: 10.00

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 5.3

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-25-233Columba · zincGrade: 0.6Grade Unit: %Intercept: 10 mView all details
Link to this fact

Identity

Hole ID
CDH-25-233
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.6
Grade Unit
%
Intercept
10 m
True Width
5.3 m
From
372 m
To
382 m
Intercept Depth
372 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-233:372-382
Mining Method
underground

Location

Location
Lupe Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A moderate zinc grade associated with a strong silver intercept over a good width.

Evidence · table

“0.6”

Context: 10.00

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 5.3

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-25-233Columba · silverGrade: 3620Grade Unit: g/tIntercept: 1.1 mView all details
Link to this fact

Identity

Hole ID
CDH-25-233
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
3620
Grade Unit
g/t
Intercept
1.1 m
True Width
0.58 m
From
373 m
To
374.1 m
Intercept Depth
372 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-233:373-374.1
Mining Method
underground

Location

Location
Lupe Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: This sub-interval contains bonanza-grade silver, significantly contributing to the overall high-grade intercept, although over a narrow width.

Positive factors

  • Bonanza grade silver intercept.
  • True width disclosed.

Negative factors

  • Narrow intercept length.

Evidence · table

“3620”

Context: 1.10

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 0.58

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-25-233Columba · leadGrade: 0.1Grade Unit: %Intercept: 1.1 mView all details
Link to this fact

Identity

Hole ID
CDH-25-233
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
1.1 m
True Width
0.58 m
From
373 m
To
374.1 m
Intercept Depth
372 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-233:373-374.1
Mining Method
underground

Location

Location
Lupe Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low lead grade associated with a bonanza silver intercept over a narrow width.

Negative factors

  • Narrow intercept length.

Evidence · table

“0.1”

Context: 1.10

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 0.58

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-25-233Columba · zincGrade: 0.8Grade Unit: %Intercept: 1.1 mView all details
Link to this fact

Identity

Hole ID
CDH-25-233
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.8
Grade Unit
%
Intercept
1.1 m
True Width
0.58 m
From
373 m
To
374.1 m
Intercept Depth
372 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-233:373-374.1
Mining Method
underground

Location

Location
Lupe Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A moderate zinc grade associated with a bonanza silver intercept over a narrow width.

Negative factors

  • Narrow intercept length.

Evidence · table

“0.8”

Context: 1.10

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 0.58

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-25-233Columba · silverGrade: 78Grade Unit: g/tIntercept: 4.8 mView all details
Link to this fact

Identity

Hole ID
CDH-25-233
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
78
Grade Unit
g/t
Intercept
4.8 m
True Width
2.54 m
From
392 m
To
396.8 m
Intercept Depth
372 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-233:392-396.8
Mining Method
underground

Location

Location
B2 Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A moderate width intercept with a low silver grade, indicating minor mineralization in the B2 Vein System.

Negative factors

  • Low grade for silver in an epithermal system.

Evidence · table

“78”

Context: 4.80

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 2.54

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-25-233Columba · leadGrade: 0.2Grade Unit: %Intercept: 4.8 mView all details
Link to this fact

Identity

Hole ID
CDH-25-233
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
4.8 m
True Width
2.54 m
From
392 m
To
396.8 m
Intercept Depth
372 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-233:392-396.8
Mining Method
underground

Location

Location
B2 Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low lead grade over a moderate width.

Negative factors

  • Low grade for lead.

Evidence · table

“0.2”

Context: 4.80

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 2.54

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-25-233Columba · zincGrade: 0.6Grade Unit: %Intercept: 4.8 mView all details
Link to this fact

Identity

Hole ID
CDH-25-233
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.6
Grade Unit
%
Intercept
4.8 m
True Width
2.54 m
From
392 m
To
396.8 m
Intercept Depth
372 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-233:392-396.8
Mining Method
underground

Location

Location
B2 Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low zinc grade over a moderate width.

Negative factors

  • Low grade for zinc.

Evidence · table

“0.6”

Context: 4.80

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 2.54

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-25-234Columba · silverGrade: 31Grade Unit: g/tIntercept: 14.45 mView all details
Link to this fact

Identity

Hole ID
CDH-25-234
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
31
Grade Unit
g/t
Intercept
14.45 m
True Width
9.29 m
From
507.55 m
To
522 m
Intercept Depth
507.55 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-234:507.55-522
Mining Method
underground

Location

Location
D Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A broad intercept with a very low silver grade, indicating minor mineralization.

Negative factors

  • Very low grade for silver in an epithermal system.

Evidence · table

“31”

Context: 14.45

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 9.29

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-25-234Columba · leadGrade: 0.4Grade Unit: %Intercept: 14.45 mView all details
Link to this fact

Identity

Hole ID
CDH-25-234
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.4
Grade Unit
%
Intercept
14.45 m
True Width
9.29 m
From
507.55 m
To
522 m
Intercept Depth
507.55 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-234:507.55-522
Mining Method
underground

Location

Location
D Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low lead grade over a broad interval.

Negative factors

  • Low grade for lead.

Evidence · table

“0.4”

Context: 14.45

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 9.29

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-25-234Columba · zincGrade: 1.3Grade Unit: %Intercept: 14.45 mView all details
Link to this fact

Identity

Hole ID
CDH-25-234
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
1.3
Grade Unit
%
Intercept
14.45 m
True Width
9.29 m
From
507.55 m
To
522 m
Intercept Depth
507.55 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-234:507.55-522
Mining Method
underground

Location

Location
D Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low zinc grade over a broad interval.

Negative factors

  • Low grade for zinc.

Evidence · table

“1.3”

Context: 14.45

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 9.29

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-25-234Columba · silverGrade: 98Grade Unit: g/tIntercept: 4.75 mView all details
Link to this fact

Identity

Hole ID
CDH-25-234
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
98
Grade Unit
g/t
Intercept
4.75 m
True Width
3.04 m
From
536.4 m
To
541.15 m
Intercept Depth
507.55 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-234:536.4-541.15
Mining Method
underground

Location

Location
D Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A moderate width intercept with a low silver grade, indicating minor mineralization.

Negative factors

  • Low grade for silver in an epithermal system.

Evidence · table

“98”

Context: 4.75

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 3.04

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-25-234Columba · leadGrade: 0.1Grade Unit: %Intercept: 4.75 mView all details
Link to this fact

Identity

Hole ID
CDH-25-234
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
4.75 m
True Width
3.04 m
From
536.4 m
To
541.15 m
Intercept Depth
507.55 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-234:536.4-541.15
Mining Method
underground

Location

Location
D Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low lead grade over a moderate width.

Negative factors

  • Low grade for lead.

Evidence · table

“0.1”

Context: 4.75

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 3.04

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-25-234Columba · zincGrade: 2.1Grade Unit: %Intercept: 4.75 mView all details
Link to this fact

Identity

Hole ID
CDH-25-234
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
2.1
Grade Unit
%
Intercept
4.75 m
True Width
3.04 m
From
536.4 m
To
541.15 m
Intercept Depth
507.55 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-234:536.4-541.15
Mining Method
underground

Location

Location
D Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low zinc grade over a moderate width.

Negative factors

  • Low grade for zinc.

Evidence · table

“2.1”

Context: 4.75

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 3.04

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-25-234Columba · silverGrade: 13Grade Unit: g/tIntercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-234
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
13
Grade Unit
g/t
Intercept
0.5 m
True Width
0.32 m
From
641.75 m
To
642.25 m
Intercept Depth
507.55 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-234:641.75-642.25
Mining Method
underground

Location

Location
FW of D Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A very low silver grade over a very narrow interval, indicating minimal mineralization.

Negative factors

  • Very low grade for silver.
  • Very narrow intercept length.

Evidence · table

“13”

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 0.32

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-25-234Columba · leadGrade: 2.9Grade Unit: %Intercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-234
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
2.9
Grade Unit
%
Intercept
0.5 m
True Width
0.32 m
From
641.75 m
To
642.25 m
Intercept Depth
507.55 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-234:641.75-642.25
Mining Method
underground

Location

Location
FW of D Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A strong lead grade over a very narrow interval, indicating high-grade lead mineralization.

Negative factors

  • Very narrow intercept length.

Evidence · table

“2.9”

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 0.32

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-25-234Columba · zincGrade: 8Grade Unit: %Intercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
CDH-25-234
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
8
Grade Unit
%
Intercept
0.5 m
True Width
0.32 m
From
641.75 m
To
642.25 m
Intercept Depth
507.55 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-234:641.75-642.25
Mining Method
underground

Location

Location
FW of D Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A strong zinc grade over a very narrow interval, indicating high-grade zinc mineralization.

Negative factors

  • Very narrow intercept length.

Evidence · table

“8.0”

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 0.32

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-25-234Columba · silverGrade: 6Grade Unit: g/tIntercept: 3 mView all details
Link to this fact

Identity

Hole ID
CDH-25-234
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
6
Grade Unit
g/t
Intercept
3 m
True Width
1.92 m
From
662 m
To
665 m
Intercept Depth
507.55 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-234:662-665
Mining Method
underground

Location

Location
FW of D Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A very low silver grade over a narrow interval, indicating minimal mineralization.

Negative factors

  • Very low grade for silver.

Evidence · table

“6”

Context: 3.00

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 1.92

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-25-234Columba · leadGrade: 1.2Grade Unit: %Intercept: 3 mView all details
Link to this fact

Identity

Hole ID
CDH-25-234
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
1.2
Grade Unit
%
Intercept
3 m
True Width
1.92 m
From
662 m
To
665 m
Intercept Depth
507.55 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-234:662-665
Mining Method
underground

Location

Location
FW of D Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A moderate lead grade over a narrow interval.

Evidence · table

“1.2”

Context: 3.00

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 1.92

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-25-234Columba · zincGrade: 4.5Grade Unit: %Intercept: 3 mView all details
Link to this fact

Identity

Hole ID
CDH-25-234
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
4.5
Grade Unit
%
Intercept
3 m
True Width
1.92 m
From
662 m
To
665 m
Intercept Depth
507.55 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-234:662-665
Mining Method
underground

Location

Location
FW of D Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A moderate zinc grade over a narrow interval.

Evidence · table

“4.5”

Context: 3.00

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 1.92

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-25-235Columba · silverGrade: 319Grade Unit: g/tIntercept: 9.88 mView all details
Link to this fact

Identity

Hole ID
CDH-25-235
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
319
Grade Unit
g/t
Intercept
9.88 m
True Width
6.08 m
From
423.67 m
To
433.55 m
Intercept Depth
423.67 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-235:423.67-433.55
Mining Method
underground

Location

Location
Lupe Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: This is a strong silver intercept, significantly above the project average and peer comparison, over a good width with true width disclosed. It represents a successful step-out at depth in the Lupe Vein System, indicating strong growth potential.

Positive factors

  • High-grade silver intercept, above project average and peer comparison.
  • Significant intercept length and true width disclosed.
  • Step-out extension at depth.

Evidence · table

“319”

Context: 9.88

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 6.08

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-25-235Columba · leadGrade: 0.1Grade Unit: %Intercept: 9.88 mView all details
Link to this fact

Identity

Hole ID
CDH-25-235
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
9.88 m
True Width
6.08 m
From
423.67 m
To
433.55 m
Intercept Depth
423.67 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-235:423.67-433.55
Mining Method
underground

Location

Location
Lupe Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low lead grade associated with a strong silver intercept over a good width.

Evidence · table

“0.1”

Context: 9.88

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 6.08

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-25-235Columba · zincGrade: 0.6Grade Unit: %Intercept: 9.88 mView all details
Link to this fact

Identity

Hole ID
CDH-25-235
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.6
Grade Unit
%
Intercept
9.88 m
True Width
6.08 m
From
423.67 m
To
433.55 m
Intercept Depth
423.67 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-235:423.67-433.55
Mining Method
underground

Location

Location
Lupe Vein System
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A moderate zinc grade associated with a strong silver intercept over a good width.

Evidence · table

“0.6”

Context: 9.88

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 6.08

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-25-235Columba · silverGrade: 687Grade Unit: g/tIntercept: 2 mView all details
Link to this fact

Identity

Hole ID
CDH-25-235
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
687
Grade Unit
g/t
Intercept
2 m
True Width
1.24 m
From
426 m
To
428 m
Intercept Depth
423.67 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-235:426-428
Mining Method
underground

Location

Location
Lupe Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: This sub-interval contains bonanza-grade silver, significantly contributing to the overall high-grade intercept, although over a narrow width.

Positive factors

  • Bonanza grade silver intercept.
  • True width disclosed.

Negative factors

  • Narrow intercept length.

Evidence · table

“687”

Context: 2.00

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 1.24

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-25-235Columba · leadGrade: 0.2Grade Unit: %Intercept: 2 mView all details
Link to this fact

Identity

Hole ID
CDH-25-235
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
2 m
True Width
1.24 m
From
426 m
To
428 m
Intercept Depth
423.67 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-235:426-428
Mining Method
underground

Location

Location
Lupe Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low lead grade associated with a bonanza silver intercept over a narrow width.

Negative factors

  • Narrow intercept length.

Evidence · table

“0.2”

Context: 2.00

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 1.24

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-25-235Columba · zincGrade: 0.8Grade Unit: %Intercept: 2 mView all details
Link to this fact

Identity

Hole ID
CDH-25-235
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.8
Grade Unit
%
Intercept
2 m
True Width
1.24 m
From
426 m
To
428 m
Intercept Depth
423.67 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-235:426-428
Mining Method
underground

Location

Location
Lupe Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A moderate zinc grade associated with a bonanza silver intercept over a narrow width.

Negative factors

  • Narrow intercept length.

Evidence · table

“0.8”

Context: 2.00

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 1.24

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-25-235Columba · silverGrade: 946Grade Unit: g/tIntercept: 0.8 mView all details
Link to this fact

Identity

Hole ID
CDH-25-235
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
946
Grade Unit
g/t
Intercept
0.8 m
True Width
0.5 m
From
427.2 m
To
428 m
Intercept Depth
423.67 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-235:427.2-428
Mining Method
underground

Location

Location
Lupe Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: This sub-interval contains bonanza-grade silver, further highlighting the high-grade nature of the vein, although over a very narrow width.

Positive factors

  • Bonanza grade silver intercept.
  • True width disclosed.

Negative factors

  • Very narrow intercept length.

Evidence · table

“946”

Context: 0.80

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 0.5

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-25-235Columba · leadGrade: 0.2Grade Unit: %Intercept: 0.8 mView all details
Link to this fact

Identity

Hole ID
CDH-25-235
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
0.8 m
True Width
0.5 m
From
427.2 m
To
428 m
Intercept Depth
423.67 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-235:427.2-428
Mining Method
underground

Location

Location
Lupe Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low lead grade associated with a bonanza silver intercept over a very narrow width.

Negative factors

  • Very narrow intercept length.

Evidence · table

“0.2”

Context: 0.80

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 0.5

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-25-235Columba · zincGrade: 1.1Grade Unit: %Intercept: 0.8 mView all details
Link to this fact

Identity

Hole ID
CDH-25-235
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
1.1
Grade Unit
%
Intercept
0.8 m
True Width
0.5 m
From
427.2 m
To
428 m
Intercept Depth
423.67 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-235:427.2-428
Mining Method
underground

Location

Location
Lupe Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low zinc grade associated with a bonanza silver intercept over a very narrow width.

Negative factors

  • Very narrow intercept length.

Evidence · table

“1.1”

Context: 0.80

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 0.5

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-25-235Columba · silverGrade: 874Grade Unit: g/tIntercept: 1.15 mView all details
Link to this fact

Identity

Hole ID
CDH-25-235
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
874
Grade Unit
g/t
Intercept
1.15 m
True Width
0.71 m
From
430.4 m
To
431.55 m
Intercept Depth
423.67 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-235:430.4-431.55
Mining Method
underground

Location

Location
Lupe Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: This sub-interval contains bonanza-grade silver, significantly contributing to the overall high-grade intercept, although over a narrow width.

Positive factors

  • Bonanza grade silver intercept.
  • True width disclosed.

Negative factors

  • Narrow intercept length.

Evidence · table

“874”

Context: 1.15

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-25-235Columba · leadGrade: 0.2Grade Unit: %Intercept: 1.15 mView all details
Link to this fact

Identity

Hole ID
CDH-25-235
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
1.15 m
True Width
0.71 m
From
430.4 m
To
431.55 m
Intercept Depth
423.67 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-235:430.4-431.55
Mining Method
underground

Location

Location
Lupe Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low lead grade associated with a bonanza silver intercept over a narrow width.

Negative factors

  • Narrow intercept length.

Evidence · table

“0.2”

Context: 1.15

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-25-235Columba · zincGrade: 0.6Grade Unit: %Intercept: 1.15 mView all details
Link to this fact

Identity

Hole ID
CDH-25-235
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.6
Grade Unit
%
Intercept
1.15 m
True Width
0.71 m
From
430.4 m
To
431.55 m
Intercept Depth
423.67 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-235:430.4-431.55
Mining Method
underground

Location

Location
Lupe Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A moderate zinc grade associated with a bonanza silver intercept over a narrow width.

Negative factors

  • Narrow intercept length.

Evidence · table

“0.6”

Context: 1.15

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-25-235Columba · silverGrade: 1030Grade Unit: g/tIntercept: 0.65 mView all details
Link to this fact

Identity

Hole ID
CDH-25-235
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
1030
Grade Unit
g/t
Intercept
0.65 m
True Width
0.4 m
From
430.9 m
To
431.55 m
Intercept Depth
423.67 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-235:430.9-431.55
Mining Method
underground

Location

Location
Lupe Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: This sub-interval contains bonanza-grade silver, further highlighting the high-grade nature of the vein, although over a very narrow width.

Positive factors

  • Bonanza grade silver intercept.
  • True width disclosed.

Negative factors

  • Very narrow intercept length.

Evidence · table

“1030”

Context: 0.65

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 0.4

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-25-235Columba · leadGrade: 0.3Grade Unit: %Intercept: 0.65 mView all details
Link to this fact

Identity

Hole ID
CDH-25-235
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.3
Grade Unit
%
Intercept
0.65 m
True Width
0.4 m
From
430.9 m
To
431.55 m
Intercept Depth
423.67 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-235:430.9-431.55
Mining Method
underground

Location

Location
Lupe Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low lead grade associated with a bonanza silver intercept over a very narrow width.

Negative factors

  • Very narrow intercept length.

Evidence · table

“0.3”

Context: 0.65

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 0.4

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-25-235Columba · zincGrade: 0.7Grade Unit: %Intercept: 0.65 mView all details
Link to this fact

Identity

Hole ID
CDH-25-235
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.7
Grade Unit
%
Intercept
0.65 m
True Width
0.4 m
From
430.9 m
To
431.55 m
Intercept Depth
423.67 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
CDH-25-235:430.9-431.55
Mining Method
underground

Location

Location
Lupe Vein
Loc. Source
document

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: A low zinc grade associated with a bonanza silver intercept over a very narrow width.

Negative factors

  • Very narrow intercept length.

Evidence · table

“0.7”

Context: 0.65

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 0.4

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 · silverGrade: 115Grade Unit: g/tIntercept: 2 mView all details
Link to this fact

Identity

Hole ID
incl
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
115
Grade Unit
g/t
Intercept
2 m
True Width
1.2 m
From
253.5 m
To
255.5 m
Intercept Depth
253.5 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
incl:253.5-255.5
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 115 g/t silver is moderate against the default band [500, 200, 100, 30] g/t. Grade×width 230.0 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

“115”

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 1.2

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 · leadGrade: 0Grade Unit: %Intercept: 2 mView all details
Link to this fact

Identity

Hole ID
incl
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
2 m
True Width
1.2 m
From
253.5 m
To
255.5 m
Intercept Depth
253.5 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
incl:253.5-255.5
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

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: 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 1.2

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 · zincGrade: 0.1Grade Unit: %Intercept: 2 mView all details
Link to this fact

Identity

Hole ID
incl
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
2 m
True Width
1.2 m
From
253.5 m
To
255.5 m
Intercept Depth
253.5 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
incl:253.5-255.5
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 0.2 %·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 1.2

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

ANDLupe Vein · silverGrade: 199Grade Unit: g/tIntercept: 0.63 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
199
Grade Unit
g/t
Intercept
0.63 m
True Width
0.38 m
From
313.37 m
To
314 m
Intercept Depth
313.37 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:313.37-314
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 199 g/t silver is moderate against the default band [500, 200, 100, 30] g/t. Grade×width 125.4 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

“199”

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 0.38

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

ANDLupe Vein · leadGrade: 0.1Grade Unit: %Intercept: 0.63 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
0.63 m
True Width
0.38 m
From
313.37 m
To
314 m
Intercept Depth
313.37 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:313.37-314
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

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 0.38

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

ANDLupe Vein · zincGrade: 0.1Grade Unit: %Intercept: 0.63 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
0.63 m
True Width
0.38 m
From
313.37 m
To
314 m
Intercept Depth
313.37 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:313.37-314
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

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: 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 0.38

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

ANDLupe Vein · silverGrade: 203Grade Unit: g/tIntercept: 1.25 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
203
Grade Unit
g/t
Intercept
1.25 m
True Width
0.75 m
From
382.75 m
To
384 m
Intercept Depth
382.75 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:382.75-384
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 203 g/t silver is strong against the default band [500, 200, 100, 30] g/t. Grade×width 253.8 g/t·m is weak (grade alone is strong; the better of the two is used).

Positive factors

  • 203 g/t silver is strong on the default band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“203”

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 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

ANDLupe Vein · leadGrade: 0.1Grade Unit: %Intercept: 1.25 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
1.25 m
True Width
0.75 m
From
382.75 m
To
384 m
Intercept Depth
382.75 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:382.75-384
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

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 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

ANDLupe Vein · zincGrade: 0.5Grade Unit: %Intercept: 1.25 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.5
Grade Unit
%
Intercept
1.25 m
True Width
0.75 m
From
382.75 m
To
384 m
Intercept Depth
382.75 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:382.75-384
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 0.5 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 0.6 %·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 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

ANDLupe Vein · silverGrade: 5Grade Unit: g/tIntercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
5
Grade Unit
g/t
Intercept
0.5 m
True Width
0.3 m
From
643 m
To
643.5 m
Intercept Depth
643 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:643-643.5
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 5 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 2.5 g/t·m is below.

Negative factors

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

Evidence · table

“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 0.3

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

ANDLupe Vein · leadGrade: 0.6Grade Unit: %Intercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.6
Grade Unit
%
Intercept
0.5 m
True Width
0.3 m
From
643 m
To
643.5 m
Intercept Depth
643 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:643-643.5
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 0.6 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 0.3 %·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: 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 0.3

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

ANDLupe Vein · zincGrade: 5.1Grade Unit: %Intercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
5.1
Grade Unit
%
Intercept
0.5 m
True Width
0.3 m
From
643 m
To
643.5 m
Intercept Depth
643 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:643-643.5
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 5.1 % zinc is moderate against the default band [18, 10, 5, 2] %. Grade×width 2.5 %·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

“5.1”

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 0.3

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

ANDLupe Vein · silverGrade: 160Grade Unit: g/tIntercept: 1.05 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
160
Grade Unit
g/t
Intercept
1.05 m
True Width
0.53 m
From
307.15 m
To
308.2 m
Intercept Depth
307.15 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:307.15-308.2
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 160 g/t silver is moderate against the default band [500, 200, 100, 30] g/t. Grade×width 168.0 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

“160”

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 0.53

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

ANDLupe Vein · leadGrade: 0Grade Unit: %Intercept: 1.05 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
1.05 m
True Width
0.53 m
From
307.15 m
To
308.2 m
Intercept Depth
307.15 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:307.15-308.2
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

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 0.53

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

ANDLupe Vein · zincGrade: 0.1Grade Unit: %Intercept: 1.05 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
1.05 m
True Width
0.53 m
From
307.15 m
To
308.2 m
Intercept Depth
307.15 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:307.15-308.2
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

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: 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 0.53

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

ANDLupe Vein · silverGrade: 81Grade Unit: g/tIntercept: 4.15 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
81
Grade Unit
g/t
Intercept
4.15 m
True Width
2.07 m
From
312.85 m
To
317 m
Intercept Depth
312.85 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:312.85-317
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 81 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 336.2 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“81”

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 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

ANDLupe Vein · leadGrade: 0Grade Unit: %Intercept: 4.15 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
4.15 m
True Width
2.07 m
From
312.85 m
To
317 m
Intercept Depth
312.85 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:312.85-317
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

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 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

ANDLupe Vein · zincGrade: 0Grade Unit: %Intercept: 4.15 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0
Grade Unit
%
Intercept
4.15 m
True Width
2.07 m
From
312.85 m
To
317 m
Intercept Depth
312.85 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:312.85-317
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

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 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

ANDLupe Vein · silverGrade: 255Grade Unit: g/tIntercept: 0.35 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
255
Grade Unit
g/t
Intercept
0.35 m
True Width
0.18 m
From
415.45 m
To
415.8 m
Intercept Depth
415.45 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:415.45-415.8
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 255 g/t silver is strong against the default band [500, 200, 100, 30] g/t. Grade×width 89.3 g/t·m is below (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 0.18

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

ANDLupe Vein · leadGrade: 0.4Grade Unit: %Intercept: 0.35 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.4
Grade Unit
%
Intercept
0.35 m
True Width
0.18 m
From
415.45 m
To
415.8 m
Intercept Depth
415.45 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:415.45-415.8
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 0.4 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 0.1 %·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 0.18

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

ANDLupe Vein · zincGrade: 0.2Grade Unit: %Intercept: 0.35 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
0.35 m
True Width
0.18 m
From
415.45 m
To
415.8 m
Intercept Depth
415.45 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:415.45-415.8
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

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 0.18

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

ANDLupe Vein · silverGrade: 3640Grade Unit: g/tIntercept: 0.3 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
3640
Grade Unit
g/t
Intercept
0.3 m
True Width
0.23 m
From
457.35 m
To
457.65 m
Intercept Depth
457.35 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:457.35-457.65
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 3640 g/t silver is exceptional against the default band [500, 200, 100, 30] g/t. Grade×width 1092.0 g/t·m is moderate (grade alone is exceptional; the better of the two is used).

Positive factors

  • 3640 g/t silver is exceptional on the default band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“3640”

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 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

ANDLupe Vein · leadGrade: 1.2Grade Unit: %Intercept: 0.3 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
1.2
Grade Unit
%
Intercept
0.3 m
True Width
0.23 m
From
457.35 m
To
457.65 m
Intercept Depth
457.35 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:457.35-457.65
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 1.2 % lead is weak against the default band [10, 6, 3, 1] %. Grade×width 0.4 %·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

“1.2”

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 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

ANDLupe Vein · zincGrade: 3.6Grade Unit: %Intercept: 0.3 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
3.6
Grade Unit
%
Intercept
0.3 m
True Width
0.23 m
From
457.35 m
To
457.65 m
Intercept Depth
457.35 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:457.35-457.65
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 3.6 % zinc is weak against the default band [18, 10, 5, 2] %. Grade×width 1.1 %·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

“3.6”

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 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

ANDLupe Vein · silverGrade: 122Grade Unit: g/tIntercept: 1.35 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
122
Grade Unit
g/t
Intercept
1.35 m
True Width
0.72 m
From
161.65 m
To
163 m
Intercept Depth
161.65 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:161.65-163
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 122 g/t silver is moderate against the default band [500, 200, 100, 30] g/t. Grade×width 164.7 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

“122”

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 0.72

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

ANDLupe Vein · leadGrade: 0.1Grade Unit: %Intercept: 1.35 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
1.35 m
True Width
0.72 m
From
161.65 m
To
163 m
Intercept Depth
161.65 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:161.65-163
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

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 0.72

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

ANDLupe Vein · zincGrade: 0.1Grade Unit: %Intercept: 1.35 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
1.35 m
True Width
0.72 m
From
161.65 m
To
163 m
Intercept Depth
161.65 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:161.65-163
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

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: 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 0.72

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

ANDLupe Vein · silverGrade: 503Grade Unit: g/tIntercept: 10 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
503
Grade Unit
g/t
Intercept
10 m
True Width
5.3 m
From
372 m
To
382 m
Intercept Depth
372 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:372-382
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 503 g/t silver is exceptional against the default band [500, 200, 100, 30] g/t. Grade×width 5030.0 g/t·m is strong (grade alone is exceptional; the better of the two is used).

Positive factors

  • 503 g/t silver is exceptional on the default band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“503”

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 5.3

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

ANDLupe Vein · leadGrade: 0.1Grade Unit: %Intercept: 10 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
10 m
True Width
5.3 m
From
372 m
To
382 m
Intercept Depth
372 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:372-382
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 1.0 %·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 5.3

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

ANDLupe Vein · zincGrade: 0.6Grade Unit: %Intercept: 10 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.6
Grade Unit
%
Intercept
10 m
True Width
5.3 m
From
372 m
To
382 m
Intercept Depth
372 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:372-382
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 0.6 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 6.0 %·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 5.3

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

InclColumba · silverGrade: 3620Grade Unit: g/tIntercept: 1.1 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
3620
Grade Unit
g/t
Intercept
1.1 m
True Width
0.58 m
From
373 m
To
374.1 m
Intercept Depth
373 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:373-374.1
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 3620 g/t silver is exceptional against the default band [500, 200, 100, 30] g/t. Grade×width 3982.0 g/t·m is strong (grade alone is exceptional; the better of the two is used).

Positive factors

  • 3620 g/t silver is exceptional on the default band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“3620”

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 0.58

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 · leadGrade: 0.1Grade Unit: %Intercept: 1.1 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
1.1 m
True Width
0.58 m
From
373 m
To
374.1 m
Intercept Depth
373 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:373-374.1
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

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 0.58

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 · zincGrade: 0.8Grade Unit: %Intercept: 1.1 mView all details
Link to this fact

Identity

Hole ID
Incl
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.8
Grade Unit
%
Intercept
1.1 m
True Width
0.58 m
From
373 m
To
374.1 m
Intercept Depth
373 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Incl:373-374.1
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 0.8 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 0.9 %·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: 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 0.58

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

ANDLupe Vein · silverGrade: 78Grade Unit: g/tIntercept: 4.8 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
78
Grade Unit
g/t
Intercept
4.8 m
True Width
2.54 m
From
392 m
To
396.8 m
Intercept Depth
392 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:392-396.8
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 78 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 374.4 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“78”

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 2.54

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

ANDLupe Vein · leadGrade: 0.2Grade Unit: %Intercept: 4.8 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
4.8 m
True Width
2.54 m
From
392 m
To
396.8 m
Intercept Depth
392 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:392-396.8
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 1.0 %·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 2.54

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

ANDLupe Vein · zincGrade: 0.6Grade Unit: %Intercept: 4.8 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.6
Grade Unit
%
Intercept
4.8 m
True Width
2.54 m
From
392 m
To
396.8 m
Intercept Depth
392 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:392-396.8
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 0.6 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 2.9 %·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 2.54

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

ANDLupe Vein · silverGrade: 98Grade Unit: g/tIntercept: 4.75 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
98
Grade Unit
g/t
Intercept
4.75 m
True Width
3.04 m
From
536.4 m
To
541.15 m
Intercept Depth
536.4 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:536.4-541.15
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 98 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 465.5 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“98”

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 3.04

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

ANDLupe Vein · leadGrade: 0.1Grade Unit: %Intercept: 4.75 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.1
Grade Unit
%
Intercept
4.75 m
True Width
3.04 m
From
536.4 m
To
541.15 m
Intercept Depth
536.4 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:536.4-541.15
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

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 3.04

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

ANDLupe Vein · zincGrade: 2.1Grade Unit: %Intercept: 4.75 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
2.1
Grade Unit
%
Intercept
4.75 m
True Width
3.04 m
From
536.4 m
To
541.15 m
Intercept Depth
536.4 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:536.4-541.15
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 2.1 % zinc is weak against the default band [18, 10, 5, 2] %. Grade×width 10.0 %·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

“2.1”

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 3.04

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

ANDLupe Vein · silverGrade: 13Grade Unit: g/tIntercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
13
Grade Unit
g/t
Intercept
0.5 m
True Width
0.32 m
From
641.75 m
To
642.25 m
Intercept Depth
641.75 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:641.75-642.25
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 13 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 6.5 g/t·m is below.

Negative factors

  • 13 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

“13”

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 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

ANDLupe Vein · leadGrade: 2.9Grade Unit: %Intercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
2.9
Grade Unit
%
Intercept
0.5 m
True Width
0.32 m
From
641.75 m
To
642.25 m
Intercept Depth
641.75 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:641.75-642.25
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 2.9 % lead is weak against the default band [10, 6, 3, 1] %. Grade×width 1.4 %·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

“2.9”

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 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

ANDLupe Vein · zincGrade: 8Grade Unit: %Intercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
8
Grade Unit
%
Intercept
0.5 m
True Width
0.32 m
From
641.75 m
To
642.25 m
Intercept Depth
641.75 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:641.75-642.25
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 8 % zinc is moderate against the default band [18, 10, 5, 2] %. Grade×width 4.0 %·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

“8.0”

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 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

ANDLupe Vein · silverGrade: 6Grade Unit: g/tIntercept: 3 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
6
Grade Unit
g/t
Intercept
3 m
True Width
1.92 m
From
662 m
To
665 m
Intercept Depth
662 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:662-665
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 6 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 18.0 g/t·m is below.

Negative factors

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

Evidence · table

“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 1.92

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

ANDLupe Vein · leadGrade: 1.2Grade Unit: %Intercept: 3 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
1.2
Grade Unit
%
Intercept
3 m
True Width
1.92 m
From
662 m
To
665 m
Intercept Depth
662 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:662-665
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 1.2 % lead is weak against the default band [10, 6, 3, 1] %. Grade×width 3.6 %·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

“1.2”

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 1.92

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

ANDLupe Vein · zincGrade: 4.5Grade Unit: %Intercept: 3 mView all details
Link to this fact

Identity

Hole ID
AND
Project
Lupe Vein
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
4.5
Grade Unit
%
Intercept
3 m
True Width
1.92 m
From
662 m
To
665 m
Intercept Depth
662 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
AND:662-665
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 4.5 % zinc is weak against the default band [18, 10, 5, 2] %. Grade×width 13.5 %·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

“4.5”

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 1.92

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

Sub int 1Columba · silverGrade: 687Grade Unit: g/tIntercept: 2 mView all details
Link to this fact

Identity

Hole ID
Sub int 1
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
687
Grade Unit
g/t
Intercept
2 m
True Width
1.24 m
From
426 m
To
428 m
Intercept Depth
426 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Sub int 1:426-428
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 687 g/t silver is exceptional against the default band [500, 200, 100, 30] g/t. Grade×width 1374.0 g/t·m is moderate (grade alone is exceptional; the better of the two is used).

Positive factors

  • 687 g/t silver is exceptional on the default band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“687”

Context: Sub int 1

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 1.24

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

Sub int 1Columba · leadGrade: 0.2Grade Unit: %Intercept: 2 mView all details
Link to this fact

Identity

Hole ID
Sub int 1
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
2 m
True Width
1.24 m
From
426 m
To
428 m
Intercept Depth
426 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Sub int 1:426-428
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 0.2 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 0.4 %·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: Sub int 1

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 1.24

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

Sub int 1Columba · zincGrade: 0.8Grade Unit: %Intercept: 2 mView all details
Link to this fact

Identity

Hole ID
Sub int 1
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.8
Grade Unit
%
Intercept
2 m
True Width
1.24 m
From
426 m
To
428 m
Intercept Depth
426 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Sub int 1:426-428
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 0.8 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 1.6 %·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: Sub int 1

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 1.24

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

INCLColumba · silverGrade: 946Grade Unit: g/tIntercept: 0.8 mView all details
Link to this fact

Identity

Hole ID
INCL
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
946
Grade Unit
g/t
Intercept
0.8 m
True Width
0.5 m
From
427.2 m
To
428 m
Intercept Depth
427.2 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
INCL:427.2-428
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 946 g/t silver is exceptional against the default band [500, 200, 100, 30] g/t. Grade×width 756.8 g/t·m is weak (grade alone is exceptional; the better of the two is used).

Positive factors

  • 946 g/t silver is exceptional on the default band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“946”

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 0.5

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

INCLColumba · leadGrade: 0.2Grade Unit: %Intercept: 0.8 mView all details
Link to this fact

Identity

Hole ID
INCL
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
0.8 m
True Width
0.5 m
From
427.2 m
To
428 m
Intercept Depth
427.2 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
INCL:427.2-428
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

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: 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 0.5

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

INCLColumba · zincGrade: 1.1Grade Unit: %Intercept: 0.8 mView all details
Link to this fact

Identity

Hole ID
INCL
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
1.1
Grade Unit
%
Intercept
0.8 m
True Width
0.5 m
From
427.2 m
To
428 m
Intercept Depth
427.2 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
INCL:427.2-428
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 1.1 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 0.9 %·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 0.5

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

Sub int 2Columba · silverGrade: 874Grade Unit: g/tIntercept: 1.15 mView all details
Link to this fact

Identity

Hole ID
Sub int 2
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
874
Grade Unit
g/t
Intercept
1.15 m
True Width
0.71 m
From
430.4 m
To
431.55 m
Intercept Depth
430.4 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Sub int 2:430.4-431.55
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 874 g/t silver is exceptional against the default band [500, 200, 100, 30] g/t. Grade×width 1005.1 g/t·m is moderate (grade alone is exceptional; the better of the two is used).

Positive factors

  • 874 g/t silver is exceptional on the default band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“874”

Context: Sub int 2

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

Sub int 2Columba · leadGrade: 0.2Grade Unit: %Intercept: 1.15 mView all details
Link to this fact

Identity

Hole ID
Sub int 2
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.2
Grade Unit
%
Intercept
1.15 m
True Width
0.71 m
From
430.4 m
To
431.55 m
Intercept Depth
430.4 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Sub int 2:430.4-431.55
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

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: Sub int 2

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

Sub int 2Columba · zincGrade: 0.6Grade Unit: %Intercept: 1.15 mView all details
Link to this fact

Identity

Hole ID
Sub int 2
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.6
Grade Unit
%
Intercept
1.15 m
True Width
0.71 m
From
430.4 m
To
431.55 m
Intercept Depth
430.4 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
Sub int 2:430.4-431.55
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 0.6 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 0.7 %·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: Sub int 2

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

INCLColumba · silverGrade: 1030Grade Unit: g/tIntercept: 0.65 mView all details
Link to this fact

Identity

Hole ID
INCL
Project
Columba
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
1030
Grade Unit
g/t
Intercept
0.65 m
True Width
0.4 m
From
430.9 m
To
431.55 m
Intercept Depth
430.9 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
INCL:430.9-431.55
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 1030 g/t silver is exceptional against the default band [500, 200, 100, 30] g/t. Grade×width 669.5 g/t·m is weak (grade alone is exceptional; the better of the two is used).

Positive factors

  • 1030 g/t silver is exceptional on the default band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1030”

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 0.4

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 · leadGrade: 0.3Grade Unit: %Intercept: 0.65 mView all details
Link to this fact

Identity

Hole ID
INCL
Project
Columba
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.3
Grade Unit
%
Intercept
0.65 m
True Width
0.4 m
From
430.9 m
To
431.55 m
Intercept Depth
430.9 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
INCL:430.9-431.55
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 0.2 %·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 0.4

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 · zincGrade: 0.7Grade Unit: %Intercept: 0.65 mView all details
Link to this fact

Identity

Hole ID
INCL
Project
Columba
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
KTN

Geometry

Grade
0.7
Grade Unit
%
Intercept
0.65 m
True Width
0.4 m
From
430.9 m
To
431.55 m
Intercept Depth
430.9 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
INCL:430.9-431.55
Mining Method
underground

QA/QC

Laboratory
ALS Minerals and ALS Global
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
2026-03-02T00:00:00.000Z

Reasoning: Expanded from assay table. 0.7 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 0.5 %·m is below.

Negative factors

  • 0.7 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.7”

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 0.4

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 · silverTonnes: 5920000Grade: 284Grade Unit: g/tContained Metal: 54.1Contained Unit: mozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Columba
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:ef12d49cfbc1393bd377

Resource Data

Category
inferred
Tonnes
5920000
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
2026-03-02T00:00:00.000Z

Reasoning: This is a historical Inferred Mineral Resource Estimate, indicating early-stage geological confidence. While the contained silver is significant, the Inferred category means it cannot be used for definitive economic studies without further drilling and upgrade.

Positive factors

  • Significant contained metal for an early-stage project.

Negative factors

  • Resource is entirely Inferred, limiting confidence for economic studies.
  • This is a historical estimate, not new information.

Evidence · text

“These known resource bodies currently host an inferred Mineral Resource Estimate ("MRE") totaling 54.1 Moz of silver based 5.92 Mt 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.