Altamira Gold Mobilizes Second Diamond Drill Rig to the Cajueiro Gold District, Brazil
Original announcement by tmx on
- Company
- Altamira Gold Corp.
- Ticker
- ALTA
- Exchange
- TSX
- Region
- Mato Grosso, Brazil
- Primary commodity
- Gold
- Secondary commodities
- None reported
- Document categories
- Resource update, Other, Drill results
- Extracted
- 2026-09-13 11:19:35 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Altamira Gold has mobilized a second diamond drill rig to the Cajueiro gold district in Brazil to accelerate drilling at the Maria Bonita and Central resource areas. The company aims to expand known resources and test several new porphyry targets within the district.
Reasoning: The mobilization of a second rig accelerates exploration and resource expansion at the Cajueiro district, though no new assay results were provided in this specific release.
Positive factors
- increased drilling capacity
- expansion of known resources
- testing of new porphyry targets
Facts used in scoring: 5
Classification and evidence
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: The document provides updated context and details on existing mineral resources at Cajueiro Central and Maria Bonita.
Evidence · text
“The Cajueiro district consists of two independently estimated gold mineral resources at Cajueiro Central and Maria Bonita”
Extracted facts
Stored fact records: 5. Some facts used in scoring do not have a stored record.
Drill Results (1)
MBA032goldGrade: 0.4Grade Unit: g/tIntercept: 395.5 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MBA032
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ALTA
Geometry
- Grade
- 0.4
- Grade Unit
- g/t
- Intercept
- 395.5 m
- From
- 44.5 m
- To
- 440 m
- Hole Depth
- 546 m
- Intercept Depth
- 44.5 m
Classification
- Sample Type
- drill
- Group ID
- MBA032:44.5-440
QA/QC
- QA/QC Disclosed
- Yes
- QA/QC Methods
- blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-10-15T00:00:00.000Z
Dates
- Event date
- 2025-11-03T00:00:00.000Z
Reasoning: Historical intercept restated from previous release.
Evidence · text
“MBA032, was completed to a depth of 546 metres and returned 395.5m @ 0.4 g/t gold”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is 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
Resource Estimates (4)
indicatedgoldTonnes: 5660000Grade: 1.02Grade Unit: g/tContained Metal: 185000Contained Unit: ozView all detailsHide details
Identity
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- Resource group id
- resource:69b7fedc845adc2a66d4
- Deposit or zone
- Cajueiro Central
- Mining method
- open_pit
- Material type
- saprolite
- Resource basis
- gross
Resource Data
- Category
- indicated
- Tonnes
- 5660000
- Grade
- 1.02
- Grade Unit
- g/t
- Contained Metal
- 185000
- Contained Unit
- oz
- Cutoff Grade
- 0.25
- Cutoff Unit
- g/t Au
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-11-03T00:00:00.000Z
Reasoning: Existing indicated resource for Cajueiro Central.
Evidence · text
“5.66Mt @ 1.02 g/t gold for a total of 185,000 oz in the Indicated Resource category”
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 Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
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
inferredgoldTonnes: 12660000Grade: 1.26Grade Unit: g/tContained Metal: 515000Contained Unit: ozView all detailsHide details
Identity
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- Resource group id
- resource:67a583b88e666da09e36
- Deposit or zone
- Cajueiro Central
- Mining method
- open_pit
- Material type
- saprolite
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 12660000
- Grade
- 1.26
- Grade Unit
- g/t
- Contained Metal
- 515000
- Contained Unit
- oz
- Cutoff Grade
- 0.25
- Cutoff Unit
- g/t Au
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-11-03T00:00:00.000Z
Reasoning: Existing inferred resource for Cajueiro Central.
Evidence · text
“12.66Mt @ 1.26 g/t gold for a total of 515,000 oz in the Inferred Resource category”
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
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
indicatedgoldTonnes: 24190000Grade: 0.46Grade Unit: g/tContained Metal: 357800Contained Unit: ozView all detailsHide details
Identity
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- Resource group id
- resource:3e87dc3fece942b34cb2
- Deposit or zone
- Maria Bonita
- Mining method
- open_pit
- Material type
- saprolite
- Resource basis
- gross
Resource Data
- Category
- indicated
- Tonnes
- 24190000
- Grade
- 0.46
- Grade Unit
- g/t
- Contained Metal
- 357800
- Contained Unit
- oz
- Cutoff Grade
- 0.2
- Cutoff Unit
- g/t gold
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-11-03T00:00:00.000Z
Reasoning: Existing indicated resource for Maria Bonita.
Evidence · text
“Indicated Resources of 24.19Mt @ 0.46g/t gold (for a total of 357,800oz)”
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 Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
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
inferredgoldTonnes: 25640000Grade: 0.44Grade Unit: g/tContained Metal: 362400Contained Unit: ozView all detailsHide details
Identity
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- Resource group id
- resource:39767d8acbee72d8eda8
- Deposit or zone
- Maria Bonita
- Mining method
- open_pit
- Material type
- saprolite
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 25640000
- Grade
- 0.44
- Grade Unit
- g/t
- Contained Metal
- 362400
- Contained Unit
- oz
- Cutoff Grade
- 0.2
- Cutoff Unit
- g/t gold
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-11-03T00:00:00.000Z
Reasoning: Existing inferred resource for Maria Bonita.
Evidence · text
“Inferred Resources of 25.64Mt @ 0.44g/t gold (for a total of 362,400oz)”
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 Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
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.