GoldMining Commences 2026 Exploration Drilling Program at its Yarumalito Gold-Copper Project, Colombia
Original announcement by tmx on
- Company
- GoldMining Inc.
- Ticker
- GOLD
- Exchange
- TSX
- Region
- Colombia
- Primary commodity
- Gold
- Secondary commodities
- Copper
- Document categories
- Drill results, Other, Resource update
- Extracted
- 2026-09-16 02:43:55 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
GoldMining Inc. has commenced a 1,200-metre diamond core drilling program at its Yarumalito gold-copper project in Colombia. The program aims to test a new geological model and expand the known P-1 porphyry mineralization.
Reasoning: The company is commencing a new 1,200m exploration program to test a refined model and step-out potential, though the historical intercepts cited are relatively low grade.
Positive factors
- commencement of new drilling program
- testing enhanced geological model
- step-out potential in porphyry unit
- near major discoveries
Negative factors
- historical intercepts used as highlights are low grade
Facts used in scoring: 8
Classification and evidence
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: The project is positioned in the Mid Cauca belt near major discoveries like Guayabales and Marmato.
Evidence · text
“Yarumalito sits in the heart of Colombia's prolific Mid Cauca belt, in close proximity to major discoveries like Collective Mining's Guayabales project and Aris Mining's Marmato mine.”
Inferred Resourcenegative · Story-specific tag
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: The existing resource is stated as being entirely in the inferred category.
Evidence · text
“estimated inferred mineral resources”
Extracted facts
Stored fact records: 8. Some facts used in scoring do not have a stored record.
Drill Results (6)
YAR-06Yarumalito · goldGrade: 0.5Grade Unit: g/tIntercept: 257 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- YAR-06
- Project
- Yarumalito
- Commodity
- gold
- Region
- colombia
- Reported Region
- colombia
- Ticker
- GOLD
Geometry
- Grade
- 0.5
- Grade Unit
- g/t
- Intercept
- 257 m
- From
- 0 m
- To
- 257 m
- Intercept Depth
- 0 m
Classification
- Sample Type
- drill
- Group ID
- YAR-06:0-257
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2026-05-26T00:00:00.000Z
Reasoning: Historical intercept of 0.5 g/t Au is low grade for gold exploration.
Negative factors
- low grade
Evidence · text
“257 metres ("m") at 0.50 grams per tonne ("g/t") gold ("Au")”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "An existing mineral resource estimate ("MRE") was previously completed by the Company on the Project based on 50 histori"
YAR-06Yarumalito · copperGrade: 0.1Grade Unit: %Intercept: 257 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- YAR-06
- Project
- Yarumalito
- Commodity
- copper
- Region
- colombia
- Reported Region
- colombia
- Ticker
- GOLD
Geometry
- Grade
- 0.1
- Grade Unit
- %
- Intercept
- 257 m
- From
- 0 m
- To
- 257 m
- Intercept Depth
- 0 m
Classification
- Sample Type
- drill
- Group ID
- YAR-06:0-257
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2026-05-26T00:00:00.000Z
Reasoning: Historical copper grade of 0.1%.
Evidence · text
“0.1% copper ("Cu") from surface (YAR-06)”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "An existing mineral resource estimate ("MRE") was previously completed by the Company on the Project based on 50 histori"
YAR-08Yarumalito · goldGrade: 0.51Grade Unit: g/tIntercept: 250 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- YAR-08
- Project
- Yarumalito
- Commodity
- gold
- Region
- colombia
- Reported Region
- colombia
- Ticker
- GOLD
Geometry
- Grade
- 0.51
- Grade Unit
- g/t
- Intercept
- 250 m
- From
- 0 m
- To
- 250 m
- Intercept Depth
- 0 m
Classification
- Sample Type
- drill
- Group ID
- YAR-08:0-250
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2026-05-26T00:00:00.000Z
Reasoning: Historical intercept of 0.51 g/t Au is low grade.
Negative factors
- low grade
Evidence · text
“250 m at 0.51 g/t Au”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "An existing mineral resource estimate ("MRE") was previously completed by the Company on the Project based on 50 histori"
YAR-08Yarumalito · copperGrade: 0.13Grade Unit: %Intercept: 250 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- YAR-08
- Project
- Yarumalito
- Commodity
- copper
- Region
- colombia
- Reported Region
- colombia
- Ticker
- GOLD
Geometry
- Grade
- 0.13
- Grade Unit
- %
- Intercept
- 250 m
- From
- 0 m
- To
- 250 m
- Intercept Depth
- 0 m
Classification
- Sample Type
- drill
- Group ID
- YAR-08:0-250
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2026-05-26T00:00:00.000Z
Reasoning: Historical copper grade of 0.13%.
Evidence · text
“0.13% Cu from surface (YAR-08)”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "An existing mineral resource estimate ("MRE") was previously completed by the Company on the Project based on 50 histori"
YAR-11Yarumalito · goldGrade: 0.77Grade Unit: g/tIntercept: 141.4 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- YAR-11
- Project
- Yarumalito
- Commodity
- gold
- Region
- colombia
- Reported Region
- colombia
- Ticker
- GOLD
Geometry
- Grade
- 0.77
- Grade Unit
- g/t
- Intercept
- 141.4 m
- From
- 0 m
- To
- 141.4 m
- Intercept Depth
- 0 m
Classification
- Sample Type
- drill
- Group ID
- YAR-11:0-141.4
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2026-05-26T00:00:00.000Z
Reasoning: Historical intercept of 0.77 g/t Au is low grade.
Negative factors
- low grade
Evidence · text
“141.4 m at 0.77 g/t Au”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "An existing mineral resource estimate ("MRE") was previously completed by the Company on the Project based on 50 histori"
YAR-11Yarumalito · copperGrade: 0.09Grade Unit: %Intercept: 141.4 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- YAR-11
- Project
- Yarumalito
- Commodity
- copper
- Region
- colombia
- Reported Region
- colombia
- Ticker
- GOLD
Geometry
- Grade
- 0.09
- Grade Unit
- %
- Intercept
- 141.4 m
- From
- 0 m
- To
- 141.4 m
- Intercept Depth
- 0 m
Classification
- Sample Type
- drill
- Group ID
- YAR-11:0-141.4
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2026-05-26T00:00:00.000Z
Reasoning: Historical copper grade of 0.09%.
Evidence · text
“0.09% Cu from surface (YAR-11)”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "An existing mineral resource estimate ("MRE") was previously completed by the Company on the Project based on 50 histori"
Resource Estimates (2)
inferredYarumalito · goldTonnes: 66300000Grade: 0.58Grade Unit: g/tContained Metal: 1.23Contained Unit: mozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Yarumalito
- Commodity
- gold
- Region
- colombia
- Reported Region
- Colombia
- Ticker
- GOLD
Resource scope
- Estimate type
- resource
- Resource group id
- resource:821a191a9bf0aa65376c
Resource Data
- Category
- inferred
- Tonnes
- 66300000
- Grade
- 0.58
- Grade Unit
- g/t
- Contained Metal
- 1.23
- Contained Unit
- moz
Prior Estimate
- Resource Date
- 2020-04-01
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
Dates
- Event date
- 2026-05-26T00:00:00.000Z
Reasoning: Historical inferred resource estimate.
Negative factors
- inferred category only
Evidence · text
“66.3 million tonnes at 0.58 g/t Au and 0.09% Cu for 1.23 million ounces Au”
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 6.1 years before this release
inferredYarumalito · copperTonnes: 66300000Grade: 0.09Grade Unit: %Contained Metal: 129000000Contained Unit: lbHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Yarumalito
- Commodity
- copper
- Region
- colombia
- Reported Region
- Colombia
- Ticker
- GOLD
Resource scope
- Estimate type
- resource
- Resource group id
- resource:821a191a9bf0aa65376c
Resource Data
- Category
- inferred
- Tonnes
- 66300000
- Grade
- 0.09
- Grade Unit
- %
- Contained Metal
- 129000000
- Contained Unit
- lb
Prior Estimate
- Resource Date
- 2020-04-01
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
Dates
- Event date
- 2026-05-26T00:00:00.000Z
Reasoning: Historical inferred resource estimate.
Negative factors
- inferred category only
Evidence · text
“0.09% Cu for 1.23 million ounces Au and 129 million pounds Cu”
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 6.1 years before this release
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.