CopAur Files Technical Report for the Preliminary Economic Assessment for the Kinsley Mountain Gold Project

Original announcement by tmx on

Company
CopAur Minerals Inc.
Ticker
CPAU
Exchange
TSX
Region
Nevada
Primary commodity
Gold
Secondary commodities
None reported
Document categories
Resource update, Other
Extracted
2026-09-13 18:39:22 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

CopAur Minerals has filed a Technical Report for a Preliminary Economic Assessment (PEA) for the Kinsley Mountain Gold Project in Nevada. The PEA reports a post-tax NPV of US$104 million at a gold price of US$4,000/oz and highlights a 52% increase in the Mineral Resource Estimate.

Reasoning: The filing of a PEA showing strong economic metrics and significant resource growth is a major de-risking milestone for a development-stage project.

Positive factors

  • Strong project economics with US$104M NPV and 49% IRR
  • Significant 52% growth in Mineral Resource Estimate
  • High-grade Secret Canyon zone identified
  • PEA supports potential for project restart

Negative factors

  • PEA is preliminary and based only on mineral resources, not reserves

Facts used in scoring: 3

Classification and evidence

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: The announcement is for the filing of a Preliminary Economic Assessment (PEA) technical report.

Evidence · text

“Technical Report for the Preliminary Economic Assessment (the " PEA ")”

Tonnage Growthpositive

Tonnage increase reaching the strong tier vs prior estimate, with grade maintained or improved.

Why it applies: The MRE has grown by 52% compared to the previous estimate.

Evidence · text

“a 52% Mineral Resource Estimate Growth”

NI 43-101 Compliantpositive

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

Why it applies: The technical report was prepared in compliance with NI 43-101 standards.

Evidence · text

“prepare the technical report in compliance with the guidelines of National Instrument 43-101”

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: Qualified Persons Dr. Todd Harvey and Kristopher J. Raffle are named as having reviewed and approved the information.

Evidence · text

“reviewed and approved by Dr. Todd Harvey, PhD... and Kristopher J. Raffle, P.Geo.”

Extracted facts

Stored fact records: 3. Some facts used in scoring do not have a stored record.

Resource Estimates (3)

indicatedKinsley Mountain Gold · goldGrade: 1.11Grade Unit: g/tContained Metal: 742000Contained Unit: ozView all details
Link to this fact

Identity

Project
Kinsley Mountain Gold
Commodity
gold
Region
usa_nv
Reported Region
Nevada
Ticker
CPAU

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Dr. Todd Harvey, Kristopher J. Raffle
Resource group id
resource:065c41c1ec3a249eeec5
Deposit or zone
Kinsley Mountain Gold Project
Mining method
open_pit
Ownership percent
100 %
Resource basis
attributable

Resource Data

Category
indicated
Grade
1.11
Grade Unit
g/t
Contained Metal
742000
Contained Unit
oz

Review

Needs Review
No
Historical
No

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: Indicated resource component of the updated MRE.

Positive factors

  • Significant resource growth

Evidence · text

“742,000 Indicated ounces at 1.11 grams-per-tonne gold”

Tags used in scoring

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

inferredKinsley Mountain Gold · goldGrade: 1.98Grade Unit: g/tContained Metal: 69000Contained Unit: ozView all details
Link to this fact

Identity

Project
Kinsley Mountain Gold
Commodity
gold
Region
usa_nv
Reported Region
Nevada
Ticker
CPAU

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Dr. Todd Harvey, Kristopher J. Raffle
Resource group id
resource:2cfc7aeb9bc9120a4155
Deposit or zone
Kinsley Mountain Gold Project
Mining method
open_pit
Ownership percent
100 %
Resource basis
attributable

Resource Data

Category
inferred
Grade
1.98
Grade Unit
g/t
Contained Metal
69000
Contained Unit
oz

Review

Needs Review
No
Historical
No

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: Inferred resource component of the updated MRE.

Positive factors

  • Higher grade than indicated

Negative factors

  • Inferred category carries higher geological risk

Evidence · text

“69,000 Inferred ounces at 1.98 g/t Au”

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

indicatedKinsley Mountain Gold · goldGrade: 5.32Grade Unit: g/tContained Metal: 384000Contained Unit: ozView all details
Link to this fact

Identity

Project
Kinsley Mountain Gold
Commodity
gold
Region
usa_nv
Reported Region
Nevada
Ticker
CPAU

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Dr. Todd Harvey, Kristopher J. Raffle
Resource group id
resource:ecf43eef66116f959047
Deposit or zone
Secret Canyon zone
Mining method
open_pit
Ownership percent
100 %
Resource basis
attributable

Resource Data

Category
indicated
Grade
5.32
Grade Unit
g/t
Contained Metal
384000
Contained Unit
oz

Review

Needs Review
No
Historical
No

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: High-grade portion of the indicated resource within the Secret Canyon zone.

Positive factors

  • High-grade zone

Evidence · text

“384,000 Indicated ounces at 5.32 g/t Au within the high-grade Secret Canyon zone”

Tags used in scoring

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: the release names the study this estimate supports

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.