Galiano Gold Delivers Annual Mineral Reserve and Mineral Resource Update, Highlighted by Maiden Underground Mineral Resources at Nkran and Abore
Original announcement by tmx on
- Company
- Galiano Gold Inc.
- Ticker
- GAU
- Exchange
- TSX
- Region
- Ghana, West Africa
- Primary commodity
- Gold
- Secondary commodities
- None reported
- Document categories
- Resource update
- Extracted
- 2026-08-21 02:19:33 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Galiano Gold Inc. has released updated Mineral Reserve and Mineral Resource estimates for its Asanko Gold Mine in Ghana, effective December 31, 2025. The update includes maiden underground Mineral Resources at the Nkran and Abore deposits, totaling 3.4 Mt Indicated at 2.74 g/t gold and 6.5 Mt Inferred at 2.52 g/t gold. The company anticipates these new underground resources will extend mine life and provide significant growth opportunities, despite some components of the estimate being based on prior years' data.
Reasoning: Galiano Gold announced updated Mineral Reserve and Mineral Resource estimates, highlighted by maiden underground Mineral Resources at Nkran and Abore, which are expected to extend mine life and unlock long-term value. While the overall update is positive, some resource and reserve estimates are based on older effective dates.
Positive factors
- Maiden Underground Mineral Resources
- Mine Life Extension
- QP/CP Signed
- NI 43-101 Compliant
Negative factors
- Stale Estimate
Facts used in scoring: 44
Classification and evidence
Maiden Resourceneutral
First formal MRE for the project — establishes baseline but typically exploration-stage with high Inferred component.
Why it applies: The document highlights 'Maiden Underground Mineral Resources at Nkran and Abore'.
Evidence · text
“Maiden Underground Mineral Resources at Nkran and Abore”
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 news release explicitly states that Mr. Eric Chen, P.Geo., and Mr. Amri Sinuhaji, P.Eng., are Qualified Persons (as defined under NI 43-101) responsible for the Mineral Resources and Mineral Reserve statements, respectively.
Evidence · text
“Mr. Eric Chen, P.Geo., Vice President Mineral Resources for Galiano Gold Inc., is the Qualified Person (as defined under NI 43-101) responsible for the open pit Mineral Resources statements... Mr. Amri Sinuhaji, P.Eng., Vice President Technical Services for Galiano Gold Inc., is the Qualified Person (as defined under NI 43-101) responsible for the Mineral Reserve estimates.”
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: The document explicitly states that the Qualified Persons are defined under Canadian National Instrument 43-101.
Evidence · text
“Qualified Person as defined by Canadian National Instrument 43-101, Standards of Disclosure for Mineral Projects ('NI 43-101')”
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: The document's title and content clearly indicate an 'Annual Mineral Reserve and Mineral Resource Update'.
Evidence · text
“Galiano Gold Delivers Annual Mineral Reserve and Mineral Resource Update”
Mine Life Extensionpositive · Story-specific tag
No canonical definition is currently available.
Why it applies: The company states that the underground resources provide 'a compelling opportunity to extend mine life'.
Evidence · text
“With significant potential to expand resources at depth and along strike, we see a compelling opportunity to extend mine life”
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: Several Mineral Resources and Reserves are stated with effective dates of December 31, 2022, or December 31, 2024, while the announcement date is February 12, 2026.
Evidence · text
“Mineral Resources for Miradani North, Akwasiso, Asuadai, and Dynamite Hill are stated with an effective date of December 31, 2022.”
Extracted facts
Stored fact records: 44. Some facts used in scoring do not have a stored record.
Resource Estimates (44)
indicatedAsanko Gold Mine (AGM) - Nkran and Abore UG · goldTonnes: 3444000Grade: 2.74Grade Unit: g/tContained Metal: 303000Contained Unit: ozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Nkran and Abore UG
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- indicated
- Tonnes
- 3444000
- Grade
- 2.74
- Grade Unit
- g/t
- Contained Metal
- 303000
- Contained Unit
- oz
- Cutoff Grade
- 1.5
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Maiden underground Indicated Mineral Resource estimate for Nkran and Abore combined, based on a 1.5 g/t gold economic cut-off grade, representing a new growth avenue.
Positive factors
- Maiden Resource
- High Grade
- QP/CP Signed
Evidence · table
“2.74”
Context: 3,444
inferredAsanko Gold Mine (AGM) - Nkran and Abore UG · goldTonnes: 6489000Grade: 2.52Grade Unit: g/tContained Metal: 525000Contained Unit: ozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Nkran and Abore UG
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- inferred
- Tonnes
- 6489000
- Grade
- 2.52
- Grade Unit
- g/t
- Contained Metal
- 525000
- Contained Unit
- oz
- Cutoff Grade
- 1.5
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Maiden underground Inferred Mineral Resource estimate for Nkran and Abore combined, based on a 1.5 g/t gold economic cut-off grade, indicating significant potential but with lower confidence.
Positive factors
- Maiden Resource
- QP/CP Signed
Negative factors
- Inferred Resource
Evidence · table
“2.52”
Context: 6,489
measuredAsanko Gold Mine (AGM) - Stockpiles · goldTonnes: 2000000Grade: 0.72Grade Unit: g/tContained Metal: 47000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Stockpiles
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- measured
- Tonnes
- 2000000
- Grade
- 0.72
- Grade Unit
- g/t
- Contained Metal
- 47000
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Measured Mineral Resource for Stockpiles, contributing to the overall open pit total.
Positive factors
- Measured Resource
- QP/CP Signed
Evidence · table
“0.72”
Context: 2.0
indicatedAsanko Gold Mine (AGM) - OP Total · goldTonnes: 74900000Grade: 1.28Grade Unit: g/tContained Metal: 3094000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - OP Total
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- indicated
- Tonnes
- 74900000
- Grade
- 1.28
- Grade Unit
- g/t
- Contained Metal
- 3094000
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Indicated Mineral Resource for the Open Pit Total, representing a significant portion of the project's resources.
Positive factors
- Indicated Resource
- QP/CP Signed
Evidence · table
“1.28”
Context: 74.9
indicatedAsanko Gold Mine (AGM) - OP Total · goldTonnes: 77000000Grade: 1.27Grade Unit: g/tContained Metal: 3141000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - OP Total
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- indicated
- Tonnes
- 77000000
- Grade
- 1.27
- Grade Unit
- g/t
- Contained Metal
- 3141000
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Combined Measured and Indicated Mineral Resource for the Open Pit Total, providing a high-confidence resource base.
Positive factors
- Indicated Resource
- QP/CP Signed
Evidence · table
“1.27”
Context: 77.0
inferredAsanko Gold Mine (AGM) - OP Total · goldTonnes: 20700000Grade: 1.14Grade Unit: g/tContained Metal: 758000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - OP Total
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- inferred
- Tonnes
- 20700000
- Grade
- 1.14
- Grade Unit
- g/t
- Contained Metal
- 758000
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Inferred Mineral Resource for the Open Pit Total, indicating potential for future conversion to higher confidence categories.
Positive factors
- QP/CP Signed
Negative factors
- Inferred Resource
Evidence · table
“1.14”
Context: 20.7
indicatedAsanko Gold Mine (AGM) - UG Total · goldTonnes: 3400000Grade: 2.74Grade Unit: g/tContained Metal: 303000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - UG Total
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- indicated
- Tonnes
- 3400000
- Grade
- 2.74
- Grade Unit
- g/t
- Contained Metal
- 303000
- Contained Unit
- koz
- Cutoff Grade
- 1.5
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Maiden underground Indicated Mineral Resource for UG Total (Nkran and Abore), representing a new and high-grade resource component.
Positive factors
- Maiden Resource
- High Grade
- QP/CP Signed
Evidence · table
“2.74”
Context: 3.4
inferredAsanko Gold Mine (AGM) - UG Total · goldTonnes: 6500000Grade: 2.52Grade Unit: g/tContained Metal: 525000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - UG Total
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- inferred
- Tonnes
- 6500000
- Grade
- 2.52
- Grade Unit
- g/t
- Contained Metal
- 525000
- Contained Unit
- koz
- Cutoff Grade
- 1.5
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Maiden underground Inferred Mineral Resource for UG Total (Nkran and Abore), indicating significant potential for future growth.
Positive factors
- Maiden Resource
- QP/CP Signed
Negative factors
- Inferred Resource
Evidence · table
“2.52”
Context: 6.5
measuredAsanko Gold Mine (AGM) - OP and UG Total · goldTonnes: 2000000Grade: 0.72Grade Unit: g/tContained Metal: 47000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - OP and UG Total
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- measured
- Tonnes
- 2000000
- Grade
- 0.72
- Grade Unit
- g/t
- Contained Metal
- 47000
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Measured Mineral Resource for combined Open Pit and Underground Total, primarily from stockpiles.
Positive factors
- Measured Resource
- QP/CP Signed
Evidence · table
“0.72”
Context: 2.0
indicatedAsanko Gold Mine (AGM) - OP and UG Total · goldTonnes: 78400000Grade: 1.35Grade Unit: g/tContained Metal: 3397000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - OP and UG Total
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- indicated
- Tonnes
- 78400000
- Grade
- 1.35
- Grade Unit
- g/t
- Contained Metal
- 3397000
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Indicated Mineral Resource for combined Open Pit and Underground Total, forming a substantial resource base.
Positive factors
- Indicated Resource
- QP/CP Signed
Evidence · table
“1.35”
Context: 78.4
indicatedAsanko Gold Mine (AGM) - OP and UG Total · goldTonnes: 80400000Grade: 1.33Grade Unit: g/tContained Metal: 3444000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - OP and UG Total
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- indicated
- Tonnes
- 80400000
- Grade
- 1.33
- Grade Unit
- g/t
- Contained Metal
- 3444000
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Combined Measured and Indicated Mineral Resource for Open Pit and Underground Total, representing the project's overall high-confidence resource.
Positive factors
- Indicated Resource
- QP/CP Signed
Evidence · table
“1.33”
Context: 80.4
inferredAsanko Gold Mine (AGM) - OP and UG Total · goldTonnes: 27200000Grade: 1.47Grade Unit: g/tContained Metal: 1283000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - OP and UG Total
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- inferred
- Tonnes
- 27200000
- Grade
- 1.47
- Grade Unit
- g/t
- Contained Metal
- 1283000
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Inferred Mineral Resource for combined Open Pit and Underground Total, indicating significant future potential.
Positive factors
- QP/CP Signed
Negative factors
- Inferred Resource
Evidence · table
“1.47”
Context: 27.2
indicatedAsanko Gold Mine (AGM) - Nkran · goldTonnes: 10800000Grade: 1.73Grade Unit: g/tContained Metal: 602000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Nkran
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- indicated
- Tonnes
- 10800000
- Grade
- 1.73
- Grade Unit
- g/t
- Contained Metal
- 602000
- Contained Unit
- koz
- Cutoff Grade
- 0.35
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Indicated Open Pit Mineral Resource for Nkran, a key deposit for the project.
Positive factors
- Indicated Resource
- QP/CP Signed
Evidence · table
“1.73”
Context: 10.8
inferredAsanko Gold Mine (AGM) - Nkran · goldTonnes: 2100000Grade: 1.02Grade Unit: g/tContained Metal: 70000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Nkran
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- inferred
- Tonnes
- 2100000
- Grade
- 1.02
- Grade Unit
- g/t
- Contained Metal
- 70000
- Contained Unit
- koz
- Cutoff Grade
- 0.35
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Inferred Open Pit Mineral Resource for Nkran, indicating potential for future resource growth.
Positive factors
- QP/CP Signed
Negative factors
- Inferred Resource
Evidence · table
“1.02”
Context: 2.1
indicatedAsanko Gold Mine (AGM) - Esaase · goldTonnes: 33000000Grade: 1.19Grade Unit: g/tContained Metal: 1266000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Esaase
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- indicated
- Tonnes
- 33000000
- Grade
- 1.19
- Grade Unit
- g/t
- Contained Metal
- 1266000
- Contained Unit
- koz
- Cutoff Grade
- 0.5
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Indicated Open Pit Mineral Resource for Esaase, a significant deposit with varying metallurgical recovery.
Positive factors
- Indicated Resource
- QP/CP Signed
Evidence · table
“1.19”
Context: 33.0
inferredAsanko Gold Mine (AGM) - Esaase · goldTonnes: 12200000Grade: 1.15Grade Unit: g/tContained Metal: 449000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Esaase
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- inferred
- Tonnes
- 12200000
- Grade
- 1.15
- Grade Unit
- g/t
- Contained Metal
- 449000
- Contained Unit
- koz
- Cutoff Grade
- 0.5
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Inferred Open Pit Mineral Resource for Esaase, indicating potential for future resource expansion.
Positive factors
- QP/CP Signed
Negative factors
- Inferred Resource
Evidence · table
“1.15”
Context: 12.2
indicatedAsanko Gold Mine (AGM) - Abore · goldTonnes: 10500000Grade: 1.15Grade Unit: g/tContained Metal: 388000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Abore
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- indicated
- Tonnes
- 10500000
- Grade
- 1.15
- Grade Unit
- g/t
- Contained Metal
- 388000
- Contained Unit
- koz
- Cutoff Grade
- 0.5
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Indicated Open Pit Mineral Resource for Abore, a growing cornerstone deposit.
Positive factors
- Indicated Resource
- QP/CP Signed
Evidence · table
“1.15”
Context: 10.5
inferredAsanko Gold Mine (AGM) - Abore · goldTonnes: 300000Grade: 0.61Grade Unit: g/tContained Metal: 7000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Abore
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- inferred
- Tonnes
- 300000
- Grade
- 0.61
- Grade Unit
- g/t
- Contained Metal
- 7000
- Contained Unit
- koz
- Cutoff Grade
- 0.5
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Inferred Open Pit Mineral Resource for Abore, with lower grade and contained metal.
Positive factors
- QP/CP Signed
Negative factors
- Inferred Resource
Evidence · table
“0.61”
Context: 0.3
indicatedAsanko Gold Mine (AGM) - Miradani North · goldTonnes: 7900000Grade: 1.39Grade Unit: g/tContained Metal: 352000Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Miradani North
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- indicated
- Tonnes
- 7900000
- Grade
- 1.39
- Grade Unit
- g/t
- Contained Metal
- 352000
- Contained Unit
- koz
- Cutoff Grade
- 0.45
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2022-12-31T00:00:00.000Z
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Historical Indicated Open Pit Mineral Resource for Miradani North, effective December 31, 2022, indicating lower novelty.
Positive factors
- QP/CP Signed
Negative factors
- Stale Estimate
Evidence · table
“1.39”
Context: 7.9
inferredAsanko Gold Mine (AGM) - Miradani North · goldTonnes: 2900000Grade: 1.3Grade Unit: g/tContained Metal: 122000Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Miradani North
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- inferred
- Tonnes
- 2900000
- Grade
- 1.3
- Grade Unit
- g/t
- Contained Metal
- 122000
- Contained Unit
- koz
- Cutoff Grade
- 0.45
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2022-12-31T00:00:00.000Z
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Historical Inferred Open Pit Mineral Resource for Miradani North, effective December 31, 2022, with lower confidence and novelty.
Positive factors
- QP/CP Signed
Negative factors
- Stale Estimate
- Inferred Resource
Evidence · table
“1.30”
Context: 2.9
indicatedAsanko Gold Mine (AGM) - Midras South · goldTonnes: 4900000Grade: 1.02Grade Unit: g/tContained Metal: 162000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Midras South
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- indicated
- Tonnes
- 4900000
- Grade
- 1.02
- Grade Unit
- g/t
- Contained Metal
- 162000
- Contained Unit
- koz
- Cutoff Grade
- 0.35
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Indicated Open Pit Mineral Resource for Midras South, contributing to the overall resource base.
Positive factors
- Indicated Resource
- QP/CP Signed
Evidence · table
“1.02”
Context: 4.9
inferredAsanko Gold Mine (AGM) - Midras South · goldTonnes: 1400000Grade: 1.06Grade Unit: g/tContained Metal: 48000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Midras South
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- inferred
- Tonnes
- 1400000
- Grade
- 1.06
- Grade Unit
- g/t
- Contained Metal
- 48000
- Contained Unit
- koz
- Cutoff Grade
- 0.35
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Inferred Open Pit Mineral Resource for Midras South, indicating potential for future resource growth.
Positive factors
- QP/CP Signed
Negative factors
- Inferred Resource
Evidence · table
“1.06”
Context: 1.4
indicatedAsanko Gold Mine (AGM) - Adubiaso · goldTonnes: 2600000Grade: 1.36Grade Unit: g/tContained Metal: 113000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Adubiaso
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- indicated
- Tonnes
- 2600000
- Grade
- 1.36
- Grade Unit
- g/t
- Contained Metal
- 113000
- Contained Unit
- koz
- Cutoff Grade
- 0.35
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Indicated Open Pit Mineral Resource for Adubiaso, contributing to the overall resource base.
Positive factors
- Indicated Resource
- QP/CP Signed
Evidence · table
“1.36”
Context: 2.6
inferredAsanko Gold Mine (AGM) - Adubiaso · goldTonnes: 400000Grade: 0.76Grade Unit: g/tContained Metal: 10000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Adubiaso
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- inferred
- Tonnes
- 400000
- Grade
- 0.76
- Grade Unit
- g/t
- Contained Metal
- 10000
- Contained Unit
- koz
- Cutoff Grade
- 0.35
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Inferred Open Pit Mineral Resource for Adubiaso, with lower grade and contained metal.
Positive factors
- QP/CP Signed
Negative factors
- Inferred Resource
Evidence · table
“0.76”
Context: 0.4
indicatedAsanko Gold Mine (AGM) - Dynamite Hill · goldTonnes: 2200000Grade: 1.34Grade Unit: g/tContained Metal: 95000Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Dynamite Hill
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- indicated
- Tonnes
- 2200000
- Grade
- 1.34
- Grade Unit
- g/t
- Contained Metal
- 95000
- Contained Unit
- koz
- Cutoff Grade
- 0.45
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2022-12-31T00:00:00.000Z
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Historical Indicated Open Pit Mineral Resource for Dynamite Hill, effective December 31, 2022, indicating lower novelty.
Positive factors
- QP/CP Signed
Negative factors
- Stale Estimate
Evidence · table
“1.34”
Context: 2.2
inferredAsanko Gold Mine (AGM) - Dynamite Hill · goldTonnes: 1000000Grade: 1.24Grade Unit: g/tContained Metal: 40000Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Dynamite Hill
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- inferred
- Tonnes
- 1000000
- Grade
- 1.24
- Grade Unit
- g/t
- Contained Metal
- 40000
- Contained Unit
- koz
- Cutoff Grade
- 0.45
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2022-12-31T00:00:00.000Z
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Historical Inferred Open Pit Mineral Resource for Dynamite Hill, effective December 31, 2022, with lower confidence and novelty.
Positive factors
- QP/CP Signed
Negative factors
- Stale Estimate
- Inferred Resource
Evidence · table
“1.24”
Context: 1.0
indicatedAsanko Gold Mine (AGM) - Asuadai · goldTonnes: 1600000Grade: 1.23Grade Unit: g/tContained Metal: 64000Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Asuadai
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- indicated
- Tonnes
- 1600000
- Grade
- 1.23
- Grade Unit
- g/t
- Contained Metal
- 64000
- Contained Unit
- koz
- Cutoff Grade
- 0.45
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2022-12-31T00:00:00.000Z
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Historical Indicated Open Pit Mineral Resource for Asuadai, effective December 31, 2022, indicating lower novelty.
Positive factors
- QP/CP Signed
Negative factors
- Stale Estimate
Evidence · table
“1.23”
Context: 1.6
inferredAsanko Gold Mine (AGM) - Asuadai · goldTonnes: 100000Grade: 1.29Grade Unit: g/tContained Metal: 4000Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Asuadai
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- inferred
- Tonnes
- 100000
- Grade
- 1.29
- Grade Unit
- g/t
- Contained Metal
- 4000
- Contained Unit
- koz
- Cutoff Grade
- 0.45
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2022-12-31T00:00:00.000Z
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Historical Inferred Open Pit Mineral Resource for Asuadai, effective December 31, 2022, with lower confidence and novelty.
Positive factors
- QP/CP Signed
Negative factors
- Stale Estimate
- Inferred Resource
Evidence · table
“1.29”
Context: 0.1
indicatedAsanko Gold Mine (AGM) - Akwasiso · goldTonnes: 1400000Grade: 1.16Grade Unit: g/tContained Metal: 52000Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Akwasiso
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- indicated
- Tonnes
- 1400000
- Grade
- 1.16
- Grade Unit
- g/t
- Contained Metal
- 52000
- Contained Unit
- koz
- Cutoff Grade
- 0.45
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2022-12-31T00:00:00.000Z
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Historical Indicated Open Pit Mineral Resource for Akwasiso, effective December 31, 2022, indicating lower novelty.
Positive factors
- QP/CP Signed
Negative factors
- Stale Estimate
Evidence · table
“1.16”
Context: 1.4
inferredAsanko Gold Mine (AGM) - Akwasiso · goldTonnes: 200000Grade: 1.28Grade Unit: g/tContained Metal: 9000Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Akwasiso
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- inferred
- Tonnes
- 200000
- Grade
- 1.28
- Grade Unit
- g/t
- Contained Metal
- 9000
- Contained Unit
- koz
- Cutoff Grade
- 0.45
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2022-12-31T00:00:00.000Z
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Historical Inferred Open Pit Mineral Resource for Akwasiso, effective December 31, 2022, with lower confidence and novelty.
Positive factors
- QP/CP Signed
Negative factors
- Stale Estimate
- Inferred Resource
Evidence · table
“1.28”
Context: 0.2
indicatedAsanko Gold Mine (AGM) - Nkran UG · goldTonnes: 1800000Grade: 2.79Grade Unit: g/tContained Metal: 164000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Nkran UG
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- indicated
- Tonnes
- 1800000
- Grade
- 2.79
- Grade Unit
- g/t
- Contained Metal
- 164000
- Contained Unit
- koz
- Cutoff Grade
- 1.5
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Maiden underground Indicated Mineral Resource for Nkran, representing a new and high-grade resource component.
Positive factors
- Maiden Resource
- High Grade
- QP/CP Signed
Evidence · table
“2.79”
Context: 1.8
inferredAsanko Gold Mine (AGM) - Nkran UG · goldTonnes: 4300000Grade: 2.61Grade Unit: g/tContained Metal: 360000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Nkran UG
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- inferred
- Tonnes
- 4300000
- Grade
- 2.61
- Grade Unit
- g/t
- Contained Metal
- 360000
- Contained Unit
- koz
- Cutoff Grade
- 1.5
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Maiden underground Inferred Mineral Resource for Nkran, indicating significant potential for future growth.
Positive factors
- Maiden Resource
- QP/CP Signed
Negative factors
- Inferred Resource
Evidence · table
“2.61”
Context: 4.3
indicatedAsanko Gold Mine (AGM) - Abore UG · goldTonnes: 1600000Grade: 2.67Grade Unit: g/tContained Metal: 139000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Abore UG
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- indicated
- Tonnes
- 1600000
- Grade
- 2.67
- Grade Unit
- g/t
- Contained Metal
- 139000
- Contained Unit
- koz
- Cutoff Grade
- 1.5
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Maiden underground Indicated Mineral Resource for Abore, representing a new and high-grade resource component.
Positive factors
- Maiden Resource
- High Grade
- QP/CP Signed
Evidence · table
“2.67”
Context: 1.6
inferredAsanko Gold Mine (AGM) - Abore UG · goldTonnes: 2200000Grade: 2.32Grade Unit: g/tContained Metal: 165000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Abore UG
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- inferred
- Tonnes
- 2200000
- Grade
- 2.32
- Grade Unit
- g/t
- Contained Metal
- 165000
- Contained Unit
- koz
- Cutoff Grade
- 1.5
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Maiden underground Inferred Mineral Resource for Abore, indicating significant potential for future growth.
Positive factors
- Maiden Resource
- QP/CP Signed
Negative factors
- Inferred Resource
Evidence · table
“2.32”
Context: 2.2
provenAsanko Gold Mine (AGM) - Stockpiles · goldTonnes: 2000000Grade: 0.72Grade Unit: g/tContained Metal: 47000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Stockpiles
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- proven
- Tonnes
- 2000000
- Grade
- 0.72
- Grade Unit
- g/t
- Contained Metal
- 47000
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Proven Mineral Reserve for Stockpiles, contributing to the overall reserve base.
Positive factors
- Proven Reserve
- QP/CP Signed
Evidence · table
“0.72”
Context: 2.0
probableAsanko Gold Mine (AGM) - Total Reserves · goldTonnes: 45500000Grade: 1.31Grade Unit: g/tContained Metal: 1918000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Total Reserves
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- probable
- Tonnes
- 45500000
- Grade
- 1.31
- Grade Unit
- g/t
- Contained Metal
- 1918000
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Probable Mineral Reserve for the Total, representing a significant portion of the project's reserves.
Positive factors
- Probable Reserve
- QP/CP Signed
Evidence · table
“1.31”
Context: 45.5
probableAsanko Gold Mine (AGM) - Total Reserves · goldTonnes: 47500000Grade: 1.29Grade Unit: g/tContained Metal: 1965000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Total Reserves
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- probable
- Tonnes
- 47500000
- Grade
- 1.29
- Grade Unit
- g/t
- Contained Metal
- 1965000
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Combined Proven and Probable Mineral Reserve for the Total, providing a robust reserve base.
Positive factors
- Probable Reserve
- QP/CP Signed
Evidence · table
“1.29”
Context: 47.5
probableAsanko Gold Mine (AGM) - Nkran · goldTonnes: 10600000Grade: 1.67Grade Unit: g/tContained Metal: 570000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Nkran
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- probable
- Tonnes
- 10600000
- Grade
- 1.67
- Grade Unit
- g/t
- Contained Metal
- 570000
- Contained Unit
- koz
- Cutoff Grade
- 0.35
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Probable Open Pit Mineral Reserve for Nkran, a key component of the project's reserves.
Positive factors
- Probable Reserve
- QP/CP Signed
Evidence · table
“1.67”
Context: 10.6
probableAsanko Gold Mine (AGM) - Esaase · goldTonnes: 14800000Grade: 1.12Grade Unit: g/tContained Metal: 531000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Esaase
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- probable
- Tonnes
- 14800000
- Grade
- 1.12
- Grade Unit
- g/t
- Contained Metal
- 531000
- Contained Unit
- koz
- Cutoff Grade
- 0.6
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Probable Open Pit Mineral Reserve for Esaase, a significant reserve with varying metallurgical recovery.
Positive factors
- Probable Reserve
- QP/CP Signed
Evidence · table
“1.12”
Context: 14.8
probableAsanko Gold Mine (AGM) - Abore · goldTonnes: 9300000Grade: 1.16Grade Unit: g/tContained Metal: 346000Contained Unit: kozView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Abore
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- probable
- Tonnes
- 9300000
- Grade
- 1.16
- Grade Unit
- g/t
- Contained Metal
- 346000
- Contained Unit
- koz
- Cutoff Grade
- 0.5
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Probable Open Pit Mineral Reserve for Abore, a growing cornerstone deposit.
Positive factors
- Probable Reserve
- QP/CP Signed
Evidence · table
“1.16”
Context: 9.3
probableAsanko Gold Mine (AGM) - Miradani North · goldTonnes: 6800000Grade: 1.41Grade Unit: g/tContained Metal: 310000Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Miradani North
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- probable
- Tonnes
- 6800000
- Grade
- 1.41
- Grade Unit
- g/t
- Contained Metal
- 310000
- Contained Unit
- koz
- Cutoff Grade
- 0.5
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2022-12-31T00:00:00.000Z
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Historical Probable Open Pit Mineral Reserve for Miradani North, effective December 31, 2022, indicating lower novelty.
Positive factors
- QP/CP Signed
Negative factors
- Stale Estimate
Evidence · table
“1.41”
Context: 6.8
probableAsanko Gold Mine (AGM) - Dynamite Hill · goldTonnes: 1100000Grade: 1.31Grade Unit: g/tContained Metal: 45000Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Dynamite Hill
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- probable
- Tonnes
- 1100000
- Grade
- 1.31
- Grade Unit
- g/t
- Contained Metal
- 45000
- Contained Unit
- koz
- Cutoff Grade
- 0.5
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2022-12-31T00:00:00.000Z
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Historical Probable Open Pit Mineral Reserve for Dynamite Hill, effective December 31, 2022, with lower novelty.
Positive factors
- QP/CP Signed
Negative factors
- Stale Estimate
Evidence · table
“1.31”
Context: 1.1
probableAsanko Gold Mine (AGM) - Adubiaso · goldTonnes: 1500000Grade: 1.39Grade Unit: g/tContained Metal: 67000Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Adubiaso
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- probable
- Tonnes
- 1500000
- Grade
- 1.39
- Grade Unit
- g/t
- Contained Metal
- 67000
- Contained Unit
- koz
- Cutoff Grade
- 0.4
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2024-12-31T00:00:00.000Z
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Historical Probable Open Pit Mineral Reserve for Adubiaso, effective December 31, 2024, indicating lower novelty.
Positive factors
- QP/CP Signed
Negative factors
- Stale Estimate
Evidence · table
“1.39”
Context: 1.5
probableAsanko Gold Mine (AGM) - Midras South · goldTonnes: 1400000Grade: 1.12Grade Unit: g/tContained Metal: 49000Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Asanko Gold Mine (AGM) - Midras South
- Commodity
- gold
- Region
- ghana
- Reported Region
- Ghana, West Africa
- Ticker
- GAU
Resource Data
- Category
- probable
- Tonnes
- 1400000
- Grade
- 1.12
- Grade Unit
- g/t
- Contained Metal
- 49000
- Contained Unit
- koz
- Cutoff Grade
- 0.4
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2024-12-31T00:00:00.000Z
Dates
- Event date
- 2026-02-12T00:00:00.000Z
Reasoning: Historical Probable Open Pit Mineral Reserve for Midras South, effective December 31, 2024, indicating lower novelty.
Positive factors
- QP/CP Signed
Negative factors
- Stale Estimate
Evidence · table
“1.12”
Context: 1.4
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.