Drilling Underway at Pacific Ridge's Kliyul Copper-Gold Project

Original announcement by tmx on

Company
Pacific Ridge Exploration Ltd.
Ticker
PEX
Exchange
TSX
Region
British Columbia
Primary commodity
Copper
Secondary commodities
Gold, Silver
Document categories
Resource update, Drill results
Extracted
2026-09-12 19:07:26 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Pacific Ridge Exploration has announced that drilling is underway at the Kliyul copper-gold project in British Columbia to expand the Kliyul Main Zone (KMZ). The project hosts an Inferred Mineral Resource of 334.1 Mt at 0.33% CuEq, which remains open for expansion at depth and laterally.

Reasoning: The company is announcing a restart of drilling to expand an existing Inferred resource at the Kliyul project. While the resource scale is significant, it remains entirely in the Inferred category and lacks site-specific metallurgical validation.

Positive factors

  • Resource expansion drilling underway
  • Mineralization remains open for expansion
  • Large scale porphyry trend identified

Negative factors

  • 100% Inferred resource
  • No metallurgical testing performed to date
  • Recoveries are estimated based on other mines

Facts used in scoring: 6

Classification and evidence

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: The KMZ resource is stated to be in the Inferred Mineral Resource category.

Evidence · text

“in the Inferred Mineral Resource category”

QA/QC Disclosedpositive

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

Why it applies: The release mentions the technical information was prepared under the supervision of a Qualified Person (QP).

Evidence · text

“prepared under the supervision of, and reviewed and approved by. Danette Schwab, P.Geo., Vice President Exploration of the Company, and a Qualified Person”

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: The release explicitly mentions compliance with NI 43-101 standards.

Evidence · text

“a Qualified Person as defined by National Instrument 43-101”

Extracted facts

Stored fact records: 6. Some facts used in scoring do not have a stored record.

Drill Results (3)

KLI-23-069copperGrade: 0.38Grade Unit: %Intercept: 45 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
KLI-23-069
Commodity
copper
Region
canada_bc
Reported Region
canada_bc
Ticker
PEX

Geometry

Grade
0.38
Grade Unit
%
Intercept
45 m
From
584 m
To
629 m
Intercept Depth
584 m

Classification

Sample Type
drill
Group ID
KLI-23-069:584-629

Location

Location
Main Zone
Loc. Source
document

QA/QC

QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2024-01-09T00:00:00.000Z

Dates

Event date
2025-08-27T00:00:00.000Z

Reasoning: Significant depth intercept providing a vector for higher-grade porphyry.

Positive factors

  • Deepest mineralized interval ever encountered

Evidence · text

“45.0 m of 0.58% CuEq* or 0.86 g/t AuEq** (0.38% copper, 0.28 g/t gold, and 2.20 g/t silver)”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

KLI-23-069goldGrade: 0.28Grade Unit: g/tIntercept: 45 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
KLI-23-069
Commodity
gold
Region
canada_bc
Reported Region
canada_bc
Ticker
PEX

Geometry

Grade
0.28
Grade Unit
g/t
Intercept
45 m
From
584 m
To
629 m
Intercept Depth
584 m

Classification

Sample Type
drill
Group ID
KLI-23-069:584-629

Location

Location
Main Zone
Loc. Source
document

QA/QC

QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2024-01-09T00:00:00.000Z

Dates

Event date
2025-08-27T00:00:00.000Z

Reasoning: Significant depth intercept providing a vector for higher-grade porphyry.

Positive factors

  • Deepest mineralized interval ever encountered

Evidence · text

“45.0 m of 0.58% CuEq* or 0.86 g/t AuEq** (0.38% copper, 0.28 g/t gold, and 2.20 g/t silver)”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

KLI-23-069silverGrade: 2.2Grade Unit: g/tIntercept: 45 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
KLI-23-069
Commodity
silver
Region
canada_bc
Reported Region
canada_bc
Ticker
PEX

Geometry

Grade
2.2
Grade Unit
g/t
Intercept
45 m
From
584 m
To
629 m
Intercept Depth
584 m

Classification

Sample Type
drill
Group ID
KLI-23-069:584-629

Location

Location
Main Zone
Loc. Source
document

QA/QC

QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2024-01-09T00:00:00.000Z

Dates

Event date
2025-08-27T00:00:00.000Z

Reasoning: Significant depth intercept providing a vector for higher-grade porphyry.

Positive factors

  • Deepest mineralized interval ever encountered

Evidence · text

“45.0 m of 0.58% CuEq* or 0.86 g/t AuEq** (0.38% copper, 0.28 g/t gold, and 2.20 g/t silver)”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Resource Estimates (3)

inferredKliyul · copperTonnes: 334100000Grade: 0.15Grade Unit: %View all details
Link to this fact

Identity

Project
Kliyul
Commodity
copper
Region
canada_bc
Reported Region
British Columbia
Ticker
PEX

Resource scope

Estimate type
resource
Effective date
2025-07-31T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Danette Schwab
Resource group id
resource:5a79ce66119be4e04d71
Deposit or zone
KMZ
Mining method
underground
Ownership percent
100 %
Resource basis
gross

Resource Data

Category
inferred
Tonnes
334100000
Grade
0.15
Grade Unit
%

Prior Estimate

Resource Date
2025-07-31

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2025-08-27T00:00:00.000Z

Reasoning: Standard inferred resource component of the KMZ zone.

Negative factors

  • Inferred category only

Evidence · text

“334.1 million tonnes ("Mt") grading 0.33% copper equivalent ("CuEq"), 0.15% copper, 0.26 g/t gold, and 0.95 g/t silver, in the Inferred Mineral Resource category”

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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

inferredKliyul · goldTonnes: 334100000Grade: 0.26Grade Unit: g/tView all details
Link to this fact

Identity

Project
Kliyul
Commodity
gold
Region
canada_bc
Reported Region
British Columbia
Ticker
PEX

Resource scope

Estimate type
resource
Effective date
2025-07-31T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Danette Schwab
Resource group id
resource:5a79ce66119be4e04d71
Deposit or zone
KMZ
Mining method
underground
Ownership percent
100 %
Resource basis
gross

Resource Data

Category
inferred
Tonnes
334100000
Grade
0.26
Grade Unit
g/t

Prior Estimate

Resource Date
2025-07-31

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2025-08-27T00:00:00.000Z

Reasoning: Standard inferred resource component of the KMZ zone.

Negative factors

  • Inferred category only

Evidence · text

“334.1 million tonnes ("Mt") grading 0.33% copper equivalent ("CuEq"), 0.15% copper, 0.26 g/t gold, and 0.95 g/t silver, in the Inferred Mineral Resource category”

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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

inferredKliyul · silverTonnes: 334100000Grade: 0.95Grade Unit: g/tView all details
Link to this fact

Identity

Project
Kliyul
Commodity
silver
Region
canada_bc
Reported Region
British Columbia
Ticker
PEX

Resource scope

Estimate type
resource
Effective date
2025-07-31T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Danette Schwab
Resource group id
resource:5a79ce66119be4e04d71
Deposit or zone
KMZ
Mining method
underground
Ownership percent
100 %
Resource basis
gross

Resource Data

Category
inferred
Tonnes
334100000
Grade
0.95
Grade Unit
g/t

Prior Estimate

Resource Date
2025-07-31

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2025-08-27T00:00:00.000Z

Reasoning: Standard inferred resource component of the KMZ zone.

Negative factors

  • Inferred category only

Evidence · text

“334.1 million tonnes ("Mt") grading 0.33% copper equivalent ("CuEq"), 0.15% copper, 0.26 g/t gold, and 0.95 g/t silver, in the Inferred Mineral Resource category”

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

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.