PXX: Caribou Dome assays reveal broad high-grade Copper

Original announcement by asx on

Company
PolarX Limited
Ticker
PXX
Exchange
ASX
Region
Alaska
Primary commodity
Copper
Secondary commodities
Silver
Document categories
Drill results, Resource update
Extracted
2026-10-18 23:12:47 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

PolarX Limited announced high-grade copper and silver assay results from drill holes CD26-009 and CD26-008 at its Caribou Dome Project in Alaska. Hole CD26-009 intersected 58.5m at 2.0% copper and 3.9g/t silver, including multiple higher-grade sub-intervals up to 9.7% copper and 19.5g/t silver, extending the known mineralization 60m outside the current resource. Geophysical surveys indicate the key structure continues for at least another 500m, suggesting significant potential for further expansion.

Reasoning: New high-grade copper and silver intercepts from holes CD26-009 and CD26-008 significantly extend the known mineralization 60m outside the existing resource at Caribou Dome, with peak copper assays exceeding previous bests. The results confirm the high-grade nature of the VMS deposit, supported by detailed QA/QC and JORC compliance, and geophysical data suggests further substantial extensions.

Positive factors

  • Bonanza Intercept
  • True Width Disclosed
  • Step-Out Extension
  • QA/QC Disclosed
  • JORC Compliant
  • QP/CP Signed

Facts used in scoring: 26

Classification and evidence

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: Multiple sub-intervals in CD26-009 returned exceptionally high copper grades (e.g., 9.7% Cu, 7.2% Cu, 6.6% Cu) which are well above the exceptional threshold for VMS copper deposits.

Evidence · text

“2.1m @ 9.7% Cu”

True Width Disclosedpositive

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

Why it applies: Table 1 and Table 2 explicitly state the true width for all reported intercepts, allowing for a more accurate understanding of the mineralization geometry.

Evidence · table

“True Width (m)”

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: The new assays from hole CD26-009 extend the known mineralization by 60m outside the existing mineral resource estimate boundary.

Evidence · text

“Outstanding assays extend the known strike by 60m outside the mineral resource estimate (MRE)”

QA/QC Disclosedpositive

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

Why it applies: The release includes a detailed JORC Code Section 1 which outlines the QA/QC protocols, including the use of duplicates, blanks, and Certified Reference Materials (CRMs), and states that analysis indicates acceptable limits.

Evidence · text

“The following QA/QC protocols have been adopted for this drill program: Duplicates were created as coarse crush duplicates on every 20th sample... Blanks inserted at the core cutting stage... Standards – Certified Reference Material (CRM’s) are inserted at a rate of approx. 4 per 100 samples...”

JORC Compliantpositive · Story-specific tag

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: The announcement explicitly states that the information is presented in accordance with the JORC Code 2012 Edition.

Evidence · text

“The Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves (the ‘JORC Code’) sets out minimum standards... The information contained in this announcement has been presented in accordance with the JORC Code.”

QP/CP Signedpositive · Story-specific tag

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: Dr Jason Berton, an employee and shareholder of PolarX Limited and a member of the AusIMM, is named as the Competent Person responsible for the exploration results.

Evidence · text

“Information in this announcement relating to Exploration results is based on information compiled by Dr Jason Berton (an employee and shareholder of PolarX Limited), who is a member of the AusIMM. Dr Berton has sufficient experience which is relevant to the style of mineralisation and type of deposit under consideration and to the activity which he is undertaking to qualify as a Competent Person under the 2012 Edition of the Australasian Code for reporting of Exploration Results, Mineral Resources and Ore Reserves.”

Byproduct Commodityneutral · Story-specific tag

The tested commodity is a byproduct rather than the primary economic driver.

Why it applies: While silver grades are reported, they are significantly lower than typical primary silver deposits and are associated with high-grade copper, indicating silver is a byproduct rather than the main economic driver.

Evidence · text

“Results of up to 9.7% copper and 19.5g/t silver point to substantial inventory growth”

Extracted facts

Stored fact records: 26. Some facts used in scoring do not have a stored record.

Drill Results (23)

CD26-009Caribou Dome · copperGrade: 2.3Grade Unit: %Intercept: 14.9 mView all details
Link to this fact

Identity

Hole ID
CD26-009
Project
Caribou Dome
Commodity
copper
Region
usa_ak
Reported Region
usa_ak
Ticker
PXX

Geometry

Grade
2.3
Grade Unit
%
Intercept
14.9 m
True Width
9.2 m
From
181.1 m
To
196 m
Hole Depth
290 m
Intercept Depth
78.2 m

Classification

Deposit Type
vms
Program
mixed
Sample Type
drill
Group ID
CD26-009:181.1-196
Mining Method
underground

Location

Location
Central Zone
Easting
492603
Northing
7000985
CRS
NAD83 UTM Zone 6N
Elevation
1396 m
Azimuth
314 °
Dip
-49 °
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: A high-grade copper intercept within the broader zone, contributing to the overall resource extension. The grade is exceptional for a VMS deposit.

Positive factors

  • Bonanza Intercept
  • True Width Disclosed

Evidence · table

“2.3”

Context: 14.9

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 9.2

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

CD26-009Caribou Dome · silverGrade: 4Grade Unit: g/tIntercept: 14.9 mView all details
Link to this fact

Identity

Hole ID
CD26-009
Project
Caribou Dome
Commodity
silver
Region
usa_ak
Reported Region
usa_ak
Ticker
PXX

Geometry

Grade
4
Grade Unit
g/t
Intercept
14.9 m
True Width
9.2 m
From
181.1 m
To
196 m
Hole Depth
290 m
Intercept Depth
78.2 m

Classification

Deposit Type
vms
Program
mixed
Sample Type
drill
Group ID
CD26-009:181.1-196
Mining Method
underground

Location

Location
Central Zone
Easting
492603
Northing
7000985
CRS
NAD83 UTM Zone 6N
Elevation
1396 m
Azimuth
314 °
Dip
-49 °
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: A silver intercept associated with high-grade copper, contributing to overall metal inventory, though silver grades are low compared to typical primary silver deposits.

Positive factors

  • True Width Disclosed

Negative factors

  • Byproduct Commodity

Evidence · table

“4.0”

Context: 14.9

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 9.2

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

CD26-004Caribou Dome · copperGrade: 8.1Grade Unit: %Intercept: 22.6 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
CD26-004
Project
Caribou Dome
Commodity
copper
Region
usa_ak
Reported Region
usa_ak
Ticker
PXX

Geometry

Grade
8.1
Grade Unit
%
Intercept
22.6 m
Hole Depth
154 m

Classification

Deposit Type
vms
Program
mixed
Sample Type
drill
Mining Method
underground

Location

Location
Central Zone
Easting
492777
Northing
7001142
CRS
NAD83 UTM Zone 6N
Elevation
1399 m
Azimuth
314 °
Dip
-45 °
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2026-09-09T00:00:00.000Z

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: Historical high-grade copper intercept confirming the overall prospectivity of the deposit, but not new information in this release. The grade is exceptional for a VMS deposit.

Positive factors

  • Bonanza Intercept

Evidence · text

“CD26-004 with 22.6m @ 8.1% copper”

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "mixed"

CD26-008Caribou Dome · copperGrade: 2.1Grade Unit: %Intercept: 0.3 mView all details
Link to this fact

Identity

Hole ID
CD26-008
Project
Caribou Dome
Commodity
copper
Region
usa_ak
Reported Region
usa_ak
Ticker
PXX

Geometry

Grade
2.1
Grade Unit
%
Intercept
0.3 m
True Width
0.2 m
From
245.3 m
To
245.6 m
Hole Depth
600 m
Intercept Depth
245.3 m

Classification

Deposit Type
vms
Sample Type
drill
Group ID
CD26-008:245.3-245.6
Mining Method
underground

Location

Location
Central Zone
CRS
NAD83 UTM Zone 6N
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: Expanded from assay table: 2.1 % cu copper, reported in a unit the rubric does not cover (%).

Negative factors

  • Grade unit % cu does not match the copper rubric unit %; not scored.

Evidence · table

“2.1”

Context: CD26-008

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.2

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

CD26-008Caribou Dome · silverGrade: 2.2Grade Unit: g/tIntercept: 0.3 mView all details
Link to this fact

Identity

Hole ID
CD26-008
Project
Caribou Dome
Commodity
silver
Region
usa_ak
Reported Region
usa_ak
Ticker
PXX

Geometry

Grade
2.2
Grade Unit
g/t
Intercept
0.3 m
True Width
0.2 m
From
245.3 m
To
245.6 m
Hole Depth
600 m
Intercept Depth
245.3 m

Classification

Deposit Type
vms
Sample Type
drill
Group ID
CD26-008:245.3-245.6
Mining Method
underground

Location

Location
Central Zone
CRS
NAD83 UTM Zone 6N
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: Expanded from assay table: 2.2 g/t ag silver, reported in a unit the rubric does not cover (g/t).

Negative factors

  • Grade unit g/t ag does not match the silver rubric unit g/t; not scored.

Evidence · table

“2.2”

Context: CD26-008

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 0.2

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

CD26-009Caribou Dome · copperGrade: 0.2Grade Unit: %Intercept: 7.4 mView all details
Link to this fact

Identity

Hole ID
CD26-009
Project
Caribou Dome
Commodity
copper
Region
usa_ak
Reported Region
usa_ak
Ticker
PXX

Geometry

Grade
0.2
Grade Unit
%
Intercept
7.4 m
True Width
4.7 m
From
78.2 m
To
85.6 m
Hole Depth
600 m
Intercept Depth
78.2 m

Classification

Deposit Type
vms
Sample Type
drill
Group ID
CD26-009:78.2-85.6
Mining Method
underground

Location

Location
Central Zone
CRS
NAD83 UTM Zone 6N
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: Expanded from assay table: 0.2 % cu copper, reported in a unit the rubric does not cover (%).

Negative factors

  • Grade unit % cu does not match the copper rubric unit %; not scored.

Evidence · table

“0.2”

Context: CD26-009

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 4.7

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CD26-009Caribou Dome · silverGrade: 1.5Grade Unit: g/tIntercept: 7.4 mView all details
Link to this fact

Identity

Hole ID
CD26-009
Project
Caribou Dome
Commodity
silver
Region
usa_ak
Reported Region
usa_ak
Ticker
PXX

Geometry

Grade
1.5
Grade Unit
g/t
Intercept
7.4 m
True Width
4.7 m
From
78.2 m
To
85.6 m
Hole Depth
600 m
Intercept Depth
78.2 m

Classification

Deposit Type
vms
Sample Type
drill
Group ID
CD26-009:78.2-85.6
Mining Method
underground

Location

Location
Central Zone
CRS
NAD83 UTM Zone 6N
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: Expanded from assay table: 1.5 g/t ag silver, reported in a unit the rubric does not cover (g/t).

Negative factors

  • Grade unit g/t ag does not match the silver rubric unit g/t; not scored.

Evidence · table

“1.5”

Context: CD26-009

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 4.7

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CD26-009Caribou Dome · copperGrade: 2Grade Unit: %Intercept: 58.5 mView all details
Link to this fact

Identity

Hole ID
CD26-009
Project
Caribou Dome
Commodity
copper
Region
usa_ak
Reported Region
usa_ak
Ticker
PXX

Geometry

Grade
2
Grade Unit
%
Intercept
58.5 m
True Width
36.8 m
From
138.7 m
To
197.2 m
Hole Depth
600 m
Intercept Depth
138.7 m

Classification

Deposit Type
vms
Sample Type
drill
Group ID
CD26-009:138.7-197.2
Mining Method
underground

Location

Location
Central Zone
CRS
NAD83 UTM Zone 6N
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: Expanded from assay table: 2 % cu copper, reported in a unit the rubric does not cover (%).

Negative factors

  • Grade unit % cu does not match the copper rubric unit %; not scored.

Evidence · table

“2.0”

Context: CD26-009

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 36.8

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

CD26-009Caribou Dome · silverGrade: 3.9Grade Unit: g/tIntercept: 58.5 mView all details
Link to this fact

Identity

Hole ID
CD26-009
Project
Caribou Dome
Commodity
silver
Region
usa_ak
Reported Region
usa_ak
Ticker
PXX

Geometry

Grade
3.9
Grade Unit
g/t
Intercept
58.5 m
True Width
36.8 m
From
138.7 m
To
197.2 m
Hole Depth
600 m
Intercept Depth
138.7 m

Classification

Deposit Type
vms
Sample Type
drill
Group ID
CD26-009:138.7-197.2
Mining Method
underground

Location

Location
Central Zone
CRS
NAD83 UTM Zone 6N
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: Expanded from assay table: 3.9 g/t ag silver, reported in a unit the rubric does not cover (g/t).

Negative factors

  • Grade unit g/t ag does not match the silver rubric unit g/t; not scored.

Evidence · table

“3.9”

Context: CD26-009

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 36.8

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

incl.Caribou Dome · copperGrade: 2.5Grade Unit: %Intercept: 10.9 mView all details
Link to this fact

Identity

Hole ID
incl.
Project
Caribou Dome
Commodity
copper
Region
usa_ak
Reported Region
usa_ak
Ticker
PXX

Geometry

Grade
2.5
Grade Unit
%
Intercept
10.9 m
True Width
6.9 m
From
138.7 m
To
149.6 m
Hole Depth
600 m
Intercept Depth
138.7 m

Classification

Deposit Type
vms
Sample Type
drill
Group ID
incl.:138.7-149.6
Mining Method
underground

Location

CRS
NAD83 UTM Zone 6N

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: Expanded from assay table: 2.5 % cu copper, reported in a unit the rubric does not cover (%).

Negative factors

  • Grade unit % cu does not match the copper rubric unit %; not scored.

Evidence · table

“2.5”

Context: incl.

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 6.9

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

incl.Caribou Dome · silverGrade: 5.3Grade Unit: g/tIntercept: 10.9 mView all details
Link to this fact

Identity

Hole ID
incl.
Project
Caribou Dome
Commodity
silver
Region
usa_ak
Reported Region
usa_ak
Ticker
PXX

Geometry

Grade
5.3
Grade Unit
g/t
Intercept
10.9 m
True Width
6.9 m
From
138.7 m
To
149.6 m
Hole Depth
600 m
Intercept Depth
138.7 m

Classification

Deposit Type
vms
Sample Type
drill
Group ID
incl.:138.7-149.6
Mining Method
underground

Location

CRS
NAD83 UTM Zone 6N

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: Expanded from assay table: 5.3 g/t ag silver, reported in a unit the rubric does not cover (g/t).

Negative factors

  • Grade unit g/t ag does not match the silver rubric unit g/t; not scored.

Evidence · table

“5.3”

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 6.9

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

incl.Caribou Dome · copperGrade: 6.6Grade Unit: %Intercept: 2.4 mView all details
Link to this fact

Identity

Hole ID
incl.
Project
Caribou Dome
Commodity
copper
Region
usa_ak
Reported Region
usa_ak
Ticker
PXX

Geometry

Grade
6.6
Grade Unit
%
Intercept
2.4 m
True Width
1.5 m
From
147.2 m
To
149.6 m
Hole Depth
600 m
Intercept Depth
147.2 m

Classification

Deposit Type
vms
Sample Type
drill
Group ID
incl.:147.2-149.6
Mining Method
underground

Location

CRS
NAD83 UTM Zone 6N

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: Expanded from assay table: 6.6 % cu copper, reported in a unit the rubric does not cover (%).

Negative factors

  • Grade unit % cu does not match the copper rubric unit %; not scored.

Evidence · table

“6.6”

Context: incl.

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 1.5

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

incl.Caribou Dome · silverGrade: 15.2Grade Unit: g/tIntercept: 2.4 mView all details
Link to this fact

Identity

Hole ID
incl.
Project
Caribou Dome
Commodity
silver
Region
usa_ak
Reported Region
usa_ak
Ticker
PXX

Geometry

Grade
15.2
Grade Unit
g/t
Intercept
2.4 m
True Width
1.5 m
From
147.2 m
To
149.6 m
Hole Depth
600 m
Intercept Depth
147.2 m

Classification

Deposit Type
vms
Sample Type
drill
Group ID
incl.:147.2-149.6
Mining Method
underground

Location

CRS
NAD83 UTM Zone 6N

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: Expanded from assay table: 15.2 g/t ag silver, reported in a unit the rubric does not cover (g/t).

Negative factors

  • Grade unit g/t ag does not match the silver rubric unit g/t; not scored.

Evidence · table

“15.2”

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 1.5

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

andCaribou Dome · copperGrade: 2.7Grade Unit: %Intercept: 11.4 mView all details
Link to this fact

Identity

Hole ID
and
Project
Caribou Dome
Commodity
copper
Region
usa_ak
Reported Region
usa_ak
Ticker
PXX

Geometry

Grade
2.7
Grade Unit
%
Intercept
11.4 m
True Width
7.2 m
From
152.8 m
To
164.2 m
Hole Depth
600 m
Intercept Depth
152.8 m

Classification

Deposit Type
vms
Sample Type
drill
Group ID
and:152.8-164.2
Mining Method
underground

Location

Location
Central Zone
CRS
NAD83 UTM Zone 6N
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: Expanded from assay table: 2.7 % cu copper, reported in a unit the rubric does not cover (%).

Negative factors

  • Grade unit % cu does not match the copper rubric unit %; not scored.

Evidence · table

“2.7”

Context: and

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 7.2

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

andCaribou Dome · silverGrade: 5.2Grade Unit: g/tIntercept: 11.4 mView all details
Link to this fact

Identity

Hole ID
and
Project
Caribou Dome
Commodity
silver
Region
usa_ak
Reported Region
usa_ak
Ticker
PXX

Geometry

Grade
5.2
Grade Unit
g/t
Intercept
11.4 m
True Width
7.2 m
From
152.8 m
To
164.2 m
Hole Depth
600 m
Intercept Depth
152.8 m

Classification

Deposit Type
vms
Sample Type
drill
Group ID
and:152.8-164.2
Mining Method
underground

Location

Location
Central Zone
CRS
NAD83 UTM Zone 6N
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: Expanded from assay table: 5.2 g/t ag silver, reported in a unit the rubric does not cover (g/t).

Negative factors

  • Grade unit g/t ag does not match the silver rubric unit g/t; not scored.

Evidence · table

“5.2”

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 7.2

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

incl.Caribou Dome · copperGrade: 9.7Grade Unit: %Intercept: 2.1 mView all details
Link to this fact

Identity

Hole ID
incl.
Project
Caribou Dome
Commodity
copper
Region
usa_ak
Reported Region
usa_ak
Ticker
PXX

Geometry

Grade
9.7
Grade Unit
%
Intercept
2.1 m
True Width
1.3 m
From
162.1 m
To
164.2 m
Hole Depth
600 m
Intercept Depth
162.1 m

Classification

Deposit Type
vms
Sample Type
drill
Group ID
incl.:162.1-164.2
Mining Method
underground

Location

CRS
NAD83 UTM Zone 6N

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: Expanded from assay table: 9.7 % cu copper, reported in a unit the rubric does not cover (%).

Negative factors

  • Grade unit % cu does not match the copper rubric unit %; not scored.

Evidence · table

“9.7”

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 1.3

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

incl.Caribou Dome · silverGrade: 19.5Grade Unit: g/tIntercept: 2.1 mView all details
Link to this fact

Identity

Hole ID
incl.
Project
Caribou Dome
Commodity
silver
Region
usa_ak
Reported Region
usa_ak
Ticker
PXX

Geometry

Grade
19.5
Grade Unit
g/t
Intercept
2.1 m
True Width
1.3 m
From
162.1 m
To
164.2 m
Hole Depth
600 m
Intercept Depth
162.1 m

Classification

Deposit Type
vms
Sample Type
drill
Group ID
incl.:162.1-164.2
Mining Method
underground

Location

CRS
NAD83 UTM Zone 6N

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: Expanded from assay table: 19.5 g/t ag silver, reported in a unit the rubric does not cover (g/t).

Negative factors

  • Grade unit g/t ag does not match the silver rubric unit g/t; not scored.

Evidence · table

“19.5”

Context: incl.

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 1.3

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

andCaribou Dome · copperGrade: 3.5Grade Unit: %Intercept: 5.3 mView all details
Link to this fact

Identity

Hole ID
and
Project
Caribou Dome
Commodity
copper
Region
usa_ak
Reported Region
usa_ak
Ticker
PXX

Geometry

Grade
3.5
Grade Unit
%
Intercept
5.3 m
True Width
3.3 m
From
167 m
To
172.3 m
Hole Depth
600 m
Intercept Depth
167 m

Classification

Deposit Type
vms
Sample Type
drill
Group ID
and:167-172.3
Mining Method
underground

Location

Location
Central Zone
CRS
NAD83 UTM Zone 6N
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: Expanded from assay table: 3.5 % cu copper, reported in a unit the rubric does not cover (%).

Negative factors

  • Grade unit % cu does not match the copper rubric unit %; not scored.

Evidence · table

“3.5”

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 3.3

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

andCaribou Dome · silverGrade: 7.6Grade Unit: g/tIntercept: 5.3 mView all details
Link to this fact

Identity

Hole ID
and
Project
Caribou Dome
Commodity
silver
Region
usa_ak
Reported Region
usa_ak
Ticker
PXX

Geometry

Grade
7.6
Grade Unit
g/t
Intercept
5.3 m
True Width
3.3 m
From
167 m
To
172.3 m
Hole Depth
600 m
Intercept Depth
167 m

Classification

Deposit Type
vms
Sample Type
drill
Group ID
and:167-172.3
Mining Method
underground

Location

Location
Central Zone
CRS
NAD83 UTM Zone 6N
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: Expanded from assay table: 7.6 g/t ag silver, reported in a unit the rubric does not cover (g/t).

Negative factors

  • Grade unit g/t ag does not match the silver rubric unit g/t; not scored.

Evidence · table

“7.6”

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 3.3

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

andCaribou Dome · copperGrade: 2.3Grade Unit: %Intercept: 14.9 mView all details
Link to this fact

Identity

Hole ID
and
Project
Caribou Dome
Commodity
copper
Region
usa_ak
Reported Region
usa_ak
Ticker
PXX

Geometry

Grade
2.3
Grade Unit
%
Intercept
14.9 m
True Width
9.2 m
From
181.1 m
To
196 m
Hole Depth
600 m
Intercept Depth
181.1 m

Classification

Deposit Type
vms
Sample Type
drill
Group ID
and:181.1-196
Mining Method
underground

Location

Location
Central Zone
CRS
NAD83 UTM Zone 6N
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: Expanded from assay table: 2.3 % cu copper, reported in a unit the rubric does not cover (%).

Negative factors

  • Grade unit % cu does not match the copper rubric unit %; not scored.

Evidence · table

“2.3”

Context: and

Tags used in scoring

True Width Disclosedpositive

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

Why it applies: true_width_m is 9.2

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

andCaribou Dome · silverGrade: 4Grade Unit: g/tIntercept: 14.9 mView all details
Link to this fact

Identity

Hole ID
and
Project
Caribou Dome
Commodity
silver
Region
usa_ak
Reported Region
usa_ak
Ticker
PXX

Geometry

Grade
4
Grade Unit
g/t
Intercept
14.9 m
True Width
9.2 m
From
181.1 m
To
196 m
Hole Depth
600 m
Intercept Depth
181.1 m

Classification

Deposit Type
vms
Sample Type
drill
Group ID
and:181.1-196
Mining Method
underground

Location

Location
Central Zone
CRS
NAD83 UTM Zone 6N
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: Expanded from assay table: 4 g/t ag silver, reported in a unit the rubric does not cover (g/t).

Negative factors

  • Grade unit g/t ag does not match the silver rubric unit g/t; not scored.

Evidence · table

“4.0”

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 9.2

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

incl.Caribou Dome · copperGrade: 7.2Grade Unit: %Intercept: 2.7 mView all details
Link to this fact

Identity

Hole ID
incl.
Project
Caribou Dome
Commodity
copper
Region
usa_ak
Reported Region
usa_ak
Ticker
PXX

Geometry

Grade
7.2
Grade Unit
%
Intercept
2.7 m
True Width
1.7 m
From
193.3 m
To
196 m
Hole Depth
600 m
Intercept Depth
193.3 m

Classification

Deposit Type
vms
Sample Type
drill
Group ID
incl.:193.3-196
Mining Method
underground

Location

CRS
NAD83 UTM Zone 6N

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: Expanded from assay table: 7.2 % cu copper, reported in a unit the rubric does not cover (%).

Negative factors

  • Grade unit % cu does not match the copper rubric unit %; not scored.

Evidence · table

“7.2”

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 1.7

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

incl.Caribou Dome · silverGrade: 13.3Grade Unit: g/tIntercept: 2.7 mView all details
Link to this fact

Identity

Hole ID
incl.
Project
Caribou Dome
Commodity
silver
Region
usa_ak
Reported Region
usa_ak
Ticker
PXX

Geometry

Grade
13.3
Grade Unit
g/t
Intercept
2.7 m
True Width
1.7 m
From
193.3 m
To
196 m
Hole Depth
600 m
Intercept Depth
193.3 m

Classification

Deposit Type
vms
Sample Type
drill
Group ID
incl.:193.3-196
Mining Method
underground

Location

CRS
NAD83 UTM Zone 6N

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: Expanded from assay table: 13.3 g/t ag silver, reported in a unit the rubric does not cover (g/t).

Negative factors

  • Grade unit g/t ag does not match the silver rubric unit g/t; not scored.

Evidence · table

“13.3”

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 1.7

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

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 (3)

inferredAlaska Range · copperTonnes: 4000000Grade: 1.1Grade Unit: %View all details
Link to this fact

Identity

Project
Alaska Range
Commodity
copper
Ticker
PXX

Resource scope

Estimate type
resource
Reporting standards
jorc
Resource group id
resource:1bb88a4cfb46f73cb3c4
Mining method
underground

Resource Data

Category
inferred
Tonnes
4000000
Grade
1.1
Grade Unit
%

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: Expanded from multi-commodity resource table for completeness.

Negative factors

  • Fact expanded from resource table columns (model omitted this commodity).

Evidence · table

“1.1”

Context: 4.0

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

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

inferredAlaska Range · silverTonnes: 4000000Grade: 12.6Grade Unit: g/tView all details
Link to this fact

Identity

Project
Alaska Range
Commodity
silver
Ticker
PXX

Resource scope

Estimate type
resource
Reporting standards
jorc
Resource group id
resource:1bb88a4cfb46f73cb3c4
Mining method
underground

Resource Data

Category
inferred
Tonnes
4000000
Grade
12.6
Grade Unit
g/t

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: Expanded from multi-commodity resource table for completeness.

Negative factors

  • Fact expanded from resource table columns (model omitted this commodity).

Evidence · table

“12.6”

Context: 4.0

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

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

inferredAlaska Range · goldTonnes: 4000000Grade: 1.6Grade Unit: g/tView all details
Link to this fact

Identity

Project
Alaska Range
Commodity
gold
Ticker
PXX

Resource scope

Estimate type
resource
Reporting standards
jorc
Resource group id
resource:1bb88a4cfb46f73cb3c4
Mining method
underground

Resource Data

Category
inferred
Tonnes
4000000
Grade
1.6
Grade Unit
g/t

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: Expanded from multi-commodity resource table for completeness.

Negative factors

  • Fact expanded from resource table columns (model omitted this commodity).

Evidence · table

“1.6”

Context: 4.0

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

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

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.