G Mining Ventures Reports Year-End 2025 Mineral Reserves and Resources; Gold Reserves Increase 221% to 6.52 Moz

Original announcement by tmx on

Company
G Mining Ventures Corp.
Ticker
GMIN
Exchange
TSX
Region
Unavailable
Primary commodity
Gold
Secondary commodities
None reported
Document categories
Resource update
Extracted
2026-09-16 03:03:10 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

G Mining Ventures reported a 221% year-over-year increase in gold reserves, reaching 6.52 Moz Proven and Probable as of December 31, 2025. This growth is largely attributed to the Oko West Project's Feasibility Study, which added 4.64 Moz to reserves and saw 2.40 Moz of Inferred resources upgraded to Indicated. The company now operates a three-asset portfolio with Tocantinzinho supporting operations, Oko West advancing towards production, and Gurupi progressing through technical studies.

Reasoning: G Mining Ventures reported a substantial 221% increase in gold reserves, primarily driven by the successful Feasibility Study at the Oko West project, which significantly de-risks the project and expands the company's overall resource base, while existing operations continue to perform and a third project advances.

Positive factors

  • Significant increase in Proven and Probable gold reserves by 221% to 6.52 Moz.
  • Oko West Feasibility Study adds 4.64 Moz of Proven and Probable reserves.
  • High resource-to-reserve conversion rate of ~88% at Oko West.
  • Upgrade of 2.40 Moz of Inferred Resources to Indicated category at Oko West.
  • Tocantinzinho Mine continues to support ongoing operations and cash generation.
  • Gurupi Project established as a third asset pillar with 1.83 Moz Indicated Resources.
  • All estimates are NI 43-101 compliant and signed off by Qualified Persons.

Negative factors

  • Depletion at Tocantinzinho Mine due to production, though offset by new additions.
  • Cut-off grades vary by project and material type, requiring detailed analysis for direct comparison.

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

Facts used in scoring: 25

Classification and evidence

NI 43-101 Compliantpositive

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

Why it applies: The mineral reserves and resources are reported as prepared in accordance with National Instrument 43-101.

Evidence · text

“prepared in accordance with National Instrument 43-101 – Standards of Disclosure for Mineral Projects (“ NI 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: The technical content has been reviewed by Julie-Anaïs Debreil, Vice President Geology & Resources of GMIN, a QP, and other QPs are named for specific estimates.

Evidence · text

“The technical content of this press release has been reviewed by Julie-Anaïs Debreil, Vice President Geology & Resources of GMIN, a QP as defined in National Instrument NI 43-101 (“NI 43-101”), on behalf of the Corporation and has approved the technical disclosure contained in this news release.”

Contained Metal Growthpositive

True scale improvement — contained metal ounces/tonnes increased vs prior, accounting for both tonnage and grade changes.

Why it applies: Gold Reserves increased 221% to 6.52 Moz year-over-year.

Evidence · text

“Gold Reserves Increase 221% to 6.52 Moz”

Tonnage Growthpositive

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

Why it applies: The 221% year-over-year increase in Mineral Reserves reflects the addition of 4.64 Moz from the Feasibility Study at Oko West Project.

Evidence · text

“The 221% year-over-year increase in Mineral Reserves reflects the addition of 4.64 Moz from the Feasibility Study at Oko West Project”

Category Upgradepositive

Resource confidence improved — Inferred upgraded to Indicated, or Indicated to Measured. De-risking signal.

Why it applies: 2.40 Moz of Inferred Resources (YE 2024) were converted into the Indicated category at Oko West.

Evidence · text

“conversion of 2.40 Moz of Inferred Resources (YE 2024) into the Indicated category”

Proven Reservepositive

Measured Resource with demonstrated economic viability after applying modifying factors.

Why it applies: The document reports Proven Mineral Reserves for Tocantinzinho and Total.

Evidence · table

“Proven Tonnes kt”

Context: Proven Tonnes kt

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: The document reports Probable Mineral Reserves for Tocantinzinho, Oko West, and Total.

Evidence · table

“Probable Tonnes kt”

Context: Probable Tonnes kt

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: The document reports Measured Mineral Resources for Tocantinzinho and Total.

Evidence · table

“Measured Tonnes kt”

Context: Measured Tonnes kt

Indicated Resourcepositive

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

Why it applies: The document reports Indicated Mineral Resources for Tocantinzinho, Oko West, Gurupi, and Total.

Evidence · table

“Indicated Tonnes kt”

Context: Indicated Tonnes kt

Inferred Resourcenegative

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

Why it applies: The document reports Inferred Mineral Resources for Tocantinzinho, Oko West, Gurupi, and Total.

Evidence · table

“Inferred Tonnes kt”

Context: Inferred Tonnes kt

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: The Oko West project has completed a 2025 Feasibility Study, which supports the reserve estimate.

Evidence · text

“Oko West Project : 4.64 Moz of Proven and Probable Mineral Reserves at an average grade of 1.89 g/t Au following completion of the 2025 Feasibility Study.”

PEA-Supportingneutral

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

Why it applies: The Gurupi Project is targeting a Preliminary Economic Assessment (PEA) for H2 2026.

Evidence · text

“with an updated Mineral Resource Estimate (“ MRE ”) and a Preliminary Economic Assessment (“ PEA ”) targeted for H2 2026.”

Resource Updateneutral

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

Why it applies: The document provides a year-end 2025 update to the company's consolidated Mineral Reserves and Mineral Resources.

Evidence · text

“G Mining Ventures Reports Year-End 2025 Mineral Reserves and Resources”

Extracted facts

Stored fact records: 25. Some facts used in scoring do not have a stored record.

Resource Estimates (25)

measuredTocantinzinho · goldTonnes: 23986000Grade: 1.2Grade Unit: g/tContained Metal: 927Contained Unit: kozView all details
Link to this fact

Identity

Project
Tocantinzinho
Commodity
gold
Region
brazil
Reported Region
Brazil
Ticker
GMIN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Julie-Anaïs Debreil, Pascal Delisle, Antoine Champagne, Alexandre Burelle, Christian Beaulieu
Resource group id
resource:3d423065c35ee88b8ad5

Resource Data

Category
measured
Tonnes
23986000
Grade
1.2
Grade Unit
g/t
Contained Metal
927
Contained Unit
koz

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-12T00:00:00.000Z

Reasoning: Measured resources at Tocantinzinho provide a high-confidence base for the operating mine, contributing to the overall resource portfolio.

Positive factors

  • Measured category indicates high geological confidence.
  • Part of a producing asset supporting ongoing operations.

Evidence · table

“1.20”

Context: 23,986

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

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

indicatedTocantinzinho · goldTonnes: 23669000Grade: 1.32Grade Unit: g/tContained Metal: 1001Contained Unit: kozView all details
Link to this fact

Identity

Project
Tocantinzinho
Commodity
gold
Region
brazil
Reported Region
Brazil
Ticker
GMIN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Julie-Anaïs Debreil, Pascal Delisle, Antoine Champagne, Alexandre Burelle, Christian Beaulieu
Resource group id
resource:8a3096f2323b8827c3c1

Resource Data

Category
indicated
Tonnes
23669000
Grade
1.32
Grade Unit
g/t
Contained Metal
1001
Contained Unit
koz

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-12T00:00:00.000Z

Reasoning: Indicated open pit resources at Tocantinzinho support the long-term operational outlook and potential for reserve conversion.

Positive factors

  • Indicated open pit resources contribute significantly to the project's resource base.

Evidence · table

“1.32”

Context: 23,669

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

inferredTocantinzinho · goldTonnes: 342000Grade: 1.28Grade Unit: g/tContained Metal: 14Contained Unit: kozView all details
Link to this fact

Identity

Project
Tocantinzinho
Commodity
gold
Region
brazil
Reported Region
Brazil
Ticker
GMIN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Julie-Anaïs Debreil, Pascal Delisle, Antoine Champagne, Alexandre Burelle, Christian Beaulieu
Resource group id
resource:520a62ae368ad53d3590

Resource Data

Category
inferred
Tonnes
342000
Grade
1.28
Grade Unit
g/t
Contained Metal
14
Contained Unit
koz

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-12T00:00:00.000Z

Reasoning: A small inferred open pit resource at Tocantinzinho represents minor potential for future conversion.

Negative factors

  • Inferred category has lower geological confidence.

Evidence · table

“1.28”

Context: 342

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

indicatedOko West · goldTonnes: 80259000Grade: 2.1Grade Unit: g/tContained Metal: 5407Contained Unit: kozView all details
Link to this fact

Identity

Project
Oko West
Commodity
gold
Region
guyana
Reported Region
Guyana
Ticker
GMIN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Julie-Anaïs Debreil, Pascal Delisle, Antoine Champagne, Alexandre Burelle, Christian Beaulieu
Resource group id
resource:8110b8b1ad442257d348

Resource Data

Category
indicated
Tonnes
80259000
Grade
2.1
Grade Unit
g/t
Contained Metal
5407
Contained Unit
koz

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-12T00:00:00.000Z

Reasoning: Oko West's substantial indicated resource forms the foundation for its significant reserve base and future production, reflecting high confidence in the project.

Positive factors

  • Large indicated resource base for a key development project.
  • High grade for a bulk tonnage project.
  • Supports significant reserve conversion as demonstrated by the FS.

Evidence · table

“2.10”

Context: 80,259

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

inferredOko West · goldTonnes: 5127000Grade: 2.36Grade Unit: g/tContained Metal: 390Contained Unit: kozView all details
Link to this fact

Identity

Project
Oko West
Commodity
gold
Region
guyana
Reported Region
Guyana
Ticker
GMIN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Julie-Anaïs Debreil, Pascal Delisle, Antoine Champagne, Alexandre Burelle, Christian Beaulieu
Resource group id
resource:fd289db281175fbf1857

Resource Data

Category
inferred
Tonnes
5127000
Grade
2.36
Grade Unit
g/t
Contained Metal
390
Contained Unit
koz

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-12T00:00:00.000Z

Reasoning: The inferred resource at Oko West, despite its lower confidence category, shows good grade and offers future growth potential for the project.

Positive factors

  • Good grade for an inferred resource.
  • Represents potential for future resource growth and conversion.

Negative factors

  • Inferred category has lower geological confidence.

Evidence · table

“2.36”

Context: 5,127

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

indicatedGurupi · goldTonnes: 43512000Grade: 1.31Grade Unit: g/tContained Metal: 1830Contained Unit: kozView all details
Link to this fact

Identity

Project
Gurupi
Commodity
gold
Region
brazil
Reported Region
Brazil
Ticker
GMIN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Julie-Anaïs Debreil, Pascal Delisle, Antoine Champagne, Alexandre Burelle, Christian Beaulieu
Resource group id
resource:48ae60ed3b63eebbccae

Resource Data

Category
indicated
Tonnes
43512000
Grade
1.31
Grade Unit
g/t
Contained Metal
1830
Contained Unit
koz

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-12T00:00:00.000Z

Reasoning: Gurupi's substantial indicated open pit resource positions it as a significant future growth asset, contributing to the company's diversified portfolio.

Positive factors

  • Significant indicated open pit resource base for a developing project.
  • Establishes Gurupi as a key third asset pillar.

Evidence · table

“1.31”

Context: 43,512

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

inferredGurupi · goldTonnes: 18518000Grade: 1.29Grade Unit: g/tContained Metal: 770Contained Unit: kozView all details
Link to this fact

Identity

Project
Gurupi
Commodity
gold
Region
brazil
Reported Region
Brazil
Ticker
GMIN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Julie-Anaïs Debreil, Pascal Delisle, Antoine Champagne, Alexandre Burelle, Christian Beaulieu
Resource group id
resource:01b140afdc6f79f0c140

Resource Data

Category
inferred
Tonnes
18518000
Grade
1.29
Grade Unit
g/t
Contained Metal
770
Contained Unit
koz

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-12T00:00:00.000Z

Reasoning: Gurupi's large inferred open pit resource offers substantial potential for future growth and conversion, enhancing the project's long-term value.

Positive factors

  • Large inferred open pit resource provides significant exploration upside.

Negative factors

  • Inferred category has lower geological confidence.

Evidence · table

“1.29”

Context: 18,518

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

measuredTotal · goldTonnes: 23986000Grade: 1.2Grade Unit: g/tContained Metal: 927Contained Unit: kozView all details
Link to this fact

Identity

Project
Total
Commodity
gold
Ticker
GMIN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Julie-Anaïs Debreil, Pascal Delisle, Antoine Champagne, Alexandre Burelle, Christian Beaulieu
Resource group id
resource:a679e9ec6d8504c2176c

Resource Data

Category
measured
Tonnes
23986000
Grade
1.2
Grade Unit
g/t
Contained Metal
927
Contained Unit
koz

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-12T00:00:00.000Z

Reasoning: The total Measured resources provide a strong, high-confidence base for the company's overall resource portfolio.

Positive factors

  • High confidence Measured resources contribute to overall portfolio stability.

Evidence · table

“23,986”

Context: 23,986

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

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

indicatedTotal · goldTonnes: 147440000Grade: 1.74Grade Unit: g/tContained Metal: 8238Contained Unit: kozView all details
Link to this fact

Identity

Project
Total
Commodity
gold
Ticker
GMIN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Julie-Anaïs Debreil, Pascal Delisle, Antoine Champagne, Alexandre Burelle, Christian Beaulieu
Resource group id
resource:b6f7d71685dae028c371

Resource Data

Category
indicated
Tonnes
147440000
Grade
1.74
Grade Unit
g/t
Contained Metal
8238
Contained Unit
koz

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-12T00:00:00.000Z

Reasoning: The company's substantial total Indicated resources, with a strong average grade, underpin its growth strategy and future production potential.

Positive factors

  • Very large Indicated resource base across the portfolio.
  • High average grade for the total Indicated resources.

Evidence · table

“147,440”

Context: 147,440

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

inferredTotal · goldTonnes: 23987000Grade: 1.52Grade Unit: g/tContained Metal: 1174Contained Unit: kozView all details
Link to this fact

Identity

Project
Total
Commodity
gold
Ticker
GMIN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Julie-Anaïs Debreil, Pascal Delisle, Antoine Champagne, Alexandre Burelle, Christian Beaulieu
Resource group id
resource:beae1908d4d5bbf35fbf

Resource Data

Category
inferred
Tonnes
23987000
Grade
1.52
Grade Unit
g/t
Contained Metal
1174
Contained Unit
koz

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-12T00:00:00.000Z

Reasoning: The company's total inferred resources represent substantial upside potential for future conversion and expansion across its projects.

Positive factors

  • Significant total inferred resource provides future growth potential.

Negative factors

  • Inferred category has lower geological confidence.

Evidence · table

“23,987”

Context: 23,987

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

provenTocantinzinho · goldTonnes: 25545000Grade: 1.14Grade Unit: g/tContained Metal: 939Contained Unit: kozView all details
Link to this fact

Identity

Project
Tocantinzinho
Commodity
gold
Region
brazil
Reported Region
Brazil
Ticker
GMIN

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Julie-Anaïs Debreil, Pascal Delisle, Antoine Champagne, Alexandre Burelle, Christian Beaulieu
Resource group id
resource:54269204e9f250a5de86

Resource Data

Category
proven
Tonnes
25545000
Grade
1.14
Grade Unit
g/t
Contained Metal
939
Contained Unit
koz

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-12T00:00:00.000Z

Reasoning: Proven reserves at Tocantinzinho provide a high-confidence, economically viable base for the operating mine, ensuring continued production.

Positive factors

  • Proven reserves represent the highest confidence for economic extraction.
  • Supports ongoing operations and cash generation at the mine.

Evidence · table

“25,545”

Context: 25,545

Tags used in scoring

Proven Reservepositive

Measured Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "proven"

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

probableTocantinzinho · goldTonnes: 24240000Grade: 1.2Grade Unit: g/tContained Metal: 935Contained Unit: kozView all details
Link to this fact

Identity

Project
Tocantinzinho
Commodity
gold
Region
brazil
Reported Region
Brazil
Ticker
GMIN

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Julie-Anaïs Debreil, Pascal Delisle, Antoine Champagne, Alexandre Burelle, Christian Beaulieu
Resource group id
resource:59ab6e43c5df95c8d871

Resource Data

Category
probable
Tonnes
24240000
Grade
1.2
Grade Unit
g/t
Contained Metal
935
Contained Unit
koz

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-12T00:00:00.000Z

Reasoning: Probable open pit reserves at Tocantinzinho contribute significantly to the project's overall economic inventory and mine plan.

Positive factors

  • Probable open pit reserves extend the mine life and economic viability.

Evidence · table

“24,240”

Context: 24,240

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "probable"

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

probableOko West · goldTonnes: 76555000Grade: 1.89Grade Unit: g/tContained Metal: 4642Contained Unit: kozView all details
Link to this fact

Identity

Project
Oko West
Commodity
gold
Region
guyana
Reported Region
Guyana
Ticker
GMIN

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Julie-Anaïs Debreil, Pascal Delisle, Antoine Champagne, Alexandre Burelle, Christian Beaulieu
Resource group id
resource:c3d236b14709996fb95e

Resource Data

Category
probable
Tonnes
76555000
Grade
1.89
Grade Unit
g/t
Contained Metal
4642
Contained Unit
koz

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-12T00:00:00.000Z

Reasoning: Oko West's substantial probable reserves, derived from a robust Feasibility Study, are a key driver of the company's growth and future production profile.

Positive factors

  • Very large probable reserve base from a completed Feasibility Study.
  • High grade for a significant development project.
  • Drives the substantial increase in the company's overall reserve base.

Evidence · table

“76,555”

Context: 76,555

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "probable"

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

provenTotal · goldTonnes: 25545000Grade: 1.14Grade Unit: g/tContained Metal: 939Contained Unit: kozView all details
Link to this fact

Identity

Project
Total
Commodity
gold
Ticker
GMIN

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Julie-Anaïs Debreil, Pascal Delisle, Antoine Champagne, Alexandre Burelle, Christian Beaulieu
Resource group id
resource:778af53d5e277f1a96ff

Resource Data

Category
proven
Tonnes
25545000
Grade
1.14
Grade Unit
g/t
Contained Metal
939
Contained Unit
koz

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-12T00:00:00.000Z

Reasoning: The company's total proven reserves represent a solid, high-confidence base for its current and future operations.

Positive factors

  • Total proven reserves provide a high-confidence, economically viable foundation for the company.

Evidence · table

“25,545”

Context: 25,545

Tags used in scoring

Proven Reservepositive

Measured Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "proven"

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

probableTotal · goldTonnes: 100795000Grade: 1.72Grade Unit: g/tContained Metal: 5577Contained Unit: kozView all details
Link to this fact

Identity

Project
Total
Commodity
gold
Ticker
GMIN

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Julie-Anaïs Debreil, Pascal Delisle, Antoine Champagne, Alexandre Burelle, Christian Beaulieu
Resource group id
resource:24ccb10bb4eabd1741ff

Resource Data

Category
probable
Tonnes
100795000
Grade
1.72
Grade Unit
g/t
Contained Metal
5577
Contained Unit
koz

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-12T00:00:00.000Z

Reasoning: The company's substantial total probable reserves, driven by Oko West, represent a significant increase in its economically viable gold inventory.

Positive factors

  • Very large total probable reserves significantly boost the company's overall reserve base.
  • High average grade for the total probable reserves.

Evidence · table

“100,795”

Context: 100,795

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "probable"

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

provenTocantinzinho · goldTonnes: 7135000Grade: 0.73Grade Unit: g/tContained Metal: 167Contained Unit: kozView all details
Link to this fact

Identity

Project
Tocantinzinho
Commodity
gold
Region
brazil
Reported Region
Brazil
Ticker
GMIN

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Julie-Anaïs Debreil, Pascal Delisle, Antoine Champagne, Alexandre Burelle, Christian Beaulieu
Resource group id
resource:c667b765f657f5623167

Resource Data

Category
proven
Tonnes
7135000
Grade
0.73
Grade Unit
g/t
Contained Metal
167
Contained Unit
koz

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-12T00:00:00.000Z

Reasoning: Proven reserves from stockpiles at Tocantinzinho provide a low-cost, accessible source of ore, despite the lower grade.

Positive factors

  • Proven reserves from stockpiles represent readily available, economically viable material.

Negative factors

  • Lower grade compared to in-situ material.

Evidence · table

“7,135”

Context: 7,135

Tags used in scoring

Proven Reservepositive

Measured Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "proven"

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

provenTocantinzinho · goldTonnes: 18410000Grade: 1.3Grade Unit: g/tContained Metal: 772Contained Unit: kozView all details
Link to this fact

Identity

Project
Tocantinzinho
Commodity
gold
Region
brazil
Reported Region
Brazil
Ticker
GMIN

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Julie-Anaïs Debreil, Pascal Delisle, Antoine Champagne, Alexandre Burelle, Christian Beaulieu
Resource group id
resource:607780d3573e124ffd12

Resource Data

Category
proven
Tonnes
18410000
Grade
1.3
Grade Unit
g/t
Contained Metal
772
Contained Unit
koz

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-12T00:00:00.000Z

Reasoning: Proven open pit reserves at Tocantinzinho provide a robust, high-confidence base for the mine's primary operations.

Positive factors

  • High confidence proven reserves for open pit mining.
  • Good grade for open pit operations.

Evidence · table

“18,410”

Context: 18,410

Tags used in scoring

Proven Reservepositive

Measured Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "proven"

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

probableOko West · goldTonnes: 62374000Grade: 1.57Grade Unit: g/tContained Metal: 3156Contained Unit: kozView all details
Link to this fact

Identity

Project
Oko West
Commodity
gold
Region
guyana
Reported Region
Guyana
Ticker
GMIN

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Julie-Anaïs Debreil, Pascal Delisle, Antoine Champagne, Alexandre Burelle, Christian Beaulieu
Resource group id
resource:6cd5e29422c903a9ead0

Resource Data

Category
probable
Tonnes
62374000
Grade
1.57
Grade Unit
g/t
Contained Metal
3156
Contained Unit
koz

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-12T00:00:00.000Z

Reasoning: Oko West's substantial probable open pit reserves form the core of its economic viability and future production profile.

Positive factors

  • Very large probable open pit reserves for a major development project.
  • Good grade for bulk open pit mining.

Evidence · table

“62,374”

Context: 62,374

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "probable"

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

probableOko West · goldTonnes: 14181000Grade: 3.26Grade Unit: g/tContained Metal: 1486Contained Unit: kozView all details
Link to this fact

Identity

Project
Oko West
Commodity
gold
Region
guyana
Reported Region
Guyana
Ticker
GMIN

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Julie-Anaïs Debreil, Pascal Delisle, Antoine Champagne, Alexandre Burelle, Christian Beaulieu
Resource group id
resource:f9332615af2071e84508

Resource Data

Category
probable
Tonnes
14181000
Grade
3.26
Grade Unit
g/t
Contained Metal
1486
Contained Unit
koz

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-12T00:00:00.000Z

Reasoning: Oko West's high-grade probable underground reserves enhance the project's overall value and provide a strong component for selective mining.

Positive factors

  • Significant probable underground reserves with very high grade.
  • Adds flexibility and high-value material to the mine plan.

Evidence · table

“14,181”

Context: 14,181

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "probable"

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

measuredTocantinzinho · goldTonnes: 7135000Grade: 0.73Grade Unit: g/tContained Metal: 167Contained Unit: kozView all details
Link to this fact

Identity

Project
Tocantinzinho
Commodity
gold
Region
brazil
Reported Region
Brazil
Ticker
GMIN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Julie-Anaïs Debreil, Pascal Delisle, Antoine Champagne, Alexandre Burelle, Christian Beaulieu
Resource group id
resource:639a889d2e609ff661b9

Resource Data

Category
measured
Tonnes
7135000
Grade
0.73
Grade Unit
g/t
Contained Metal
167
Contained Unit
koz

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-12T00:00:00.000Z

Reasoning: Measured stockpile resources at Tocantinzinho provide a reliable, accessible, albeit lower-grade, component of the overall resource.

Positive factors

  • Measured resources from stockpiles represent high-confidence, readily available material.

Negative factors

  • Lower grade compared to in-situ material.

Evidence · table

“7,135”

Context: 7,135

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

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

measuredTocantinzinho · goldTonnes: 16851000Grade: 1.4Grade Unit: g/tContained Metal: 760Contained Unit: kozView all details
Link to this fact

Identity

Project
Tocantinzinho
Commodity
gold
Region
brazil
Reported Region
Brazil
Ticker
GMIN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Julie-Anaïs Debreil, Pascal Delisle, Antoine Champagne, Alexandre Burelle, Christian Beaulieu
Resource group id
resource:2533b7353ab116cdea6e

Resource Data

Category
measured
Tonnes
16851000
Grade
1.4
Grade Unit
g/t
Contained Metal
760
Contained Unit
koz

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-12T00:00:00.000Z

Reasoning: Measured open pit resources at Tocantinzinho provide a robust, high-confidence base for the mine's primary operations.

Positive factors

  • High confidence measured resources for open pit mining.
  • Good grade for open pit operations.

Evidence · table

“16,851”

Context: 16,851

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

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

indicatedOko West · goldTonnes: 73035000Grade: 2Grade Unit: g/tContained Metal: 4689Contained Unit: kozView all details
Link to this fact

Identity

Project
Oko West
Commodity
gold
Region
guyana
Reported Region
Guyana
Ticker
GMIN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Julie-Anaïs Debreil, Pascal Delisle, Antoine Champagne, Alexandre Burelle, Christian Beaulieu
Resource group id
resource:ac3c07d14e2cf5205726

Resource Data

Category
indicated
Tonnes
73035000
Grade
2
Grade Unit
g/t
Contained Metal
4689
Contained Unit
koz

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-12T00:00:00.000Z

Reasoning: Oko West's substantial indicated open pit resource forms the primary foundation for its significant reserve base and future production.

Positive factors

  • Very large indicated open pit resource base for a key development project.
  • High grade for open pit mining.

Evidence · table

“73,035”

Context: 73,035

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

inferredOko West · goldTonnes: 1542000Grade: 1.06Grade Unit: g/tContained Metal: 52Contained Unit: kozView all details
Link to this fact

Identity

Project
Oko West
Commodity
gold
Region
guyana
Reported Region
Guyana
Ticker
GMIN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Julie-Anaïs Debreil, Pascal Delisle, Antoine Champagne, Alexandre Burelle, Christian Beaulieu
Resource group id
resource:5cd296aabc5f5b90a4d1

Resource Data

Category
inferred
Tonnes
1542000
Grade
1.06
Grade Unit
g/t
Contained Metal
52
Contained Unit
koz

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-12T00:00:00.000Z

Reasoning: A smaller inferred open pit resource at Oko West offers limited future potential at a lower grade.

Negative factors

  • Inferred category has lower geological confidence.
  • Lower grade compared to other resources at Oko West.

Evidence · table

“1,542”

Context: 1,542

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

indicatedOko West · goldTonnes: 7223000Grade: 3.09Grade Unit: g/tContained Metal: 718Contained Unit: kozView all details
Link to this fact

Identity

Project
Oko West
Commodity
gold
Region
guyana
Reported Region
Guyana
Ticker
GMIN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Julie-Anaïs Debreil, Pascal Delisle, Antoine Champagne, Alexandre Burelle, Christian Beaulieu
Resource group id
resource:68a2d7702e6f89a6589e

Resource Data

Category
indicated
Tonnes
7223000
Grade
3.09
Grade Unit
g/t
Contained Metal
718
Contained Unit
koz

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-12T00:00:00.000Z

Reasoning: Oko West's high-grade indicated underground resources enhance the project's overall value and provide a strong component for selective mining.

Positive factors

  • Significant indicated underground resources with very high grade.
  • Adds flexibility and high-value material to the resource base.

Evidence · table

“7,223”

Context: 7,223

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

inferredOko West · goldTonnes: 3585000Grade: 2.93Grade Unit: g/tContained Metal: 337Contained Unit: kozView all details
Link to this fact

Identity

Project
Oko West
Commodity
gold
Region
guyana
Reported Region
Guyana
Ticker
GMIN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Julie-Anaïs Debreil, Pascal Delisle, Antoine Champagne, Alexandre Burelle, Christian Beaulieu
Resource group id
resource:fcb781f8fa7831284554

Resource Data

Category
inferred
Tonnes
3585000
Grade
2.93
Grade Unit
g/t
Contained Metal
337
Contained Unit
koz

Prior Estimate

Resource Date
2025-12-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-03-12T00:00:00.000Z

Reasoning: Oko West's high-grade inferred underground resources offer substantial upside for future conversion and contribute to the project's long-term potential.

Positive factors

  • High-grade inferred underground resources provide significant future potential.

Negative factors

  • Inferred category has lower geological confidence.

Evidence · table

“3,585”

Context: 3,585

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.