Altamira Gold Intersects Porphyritic Intrusive Rocks in Initial Drill Holes at Two Regional Targets Within the Cajueiro District, Brazil
Original announcement by tmx on
- Company
- Altamira Gold Corp.
- Ticker
- ALTA
- Exchange
- TSX
- Region
- Mato Grosso, Brazil
- Primary commodity
- Gold
- Secondary commodities
- Copper, Molybdenum
- Document categories
- Drill results, Other
- Extracted
- 2026-09-13 11:24:31 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Altamira Gold has completed initial scout drilling at two new porphyry targets, Tavares Norte and Morro Verde, within the Cajueiro district. While drill holes intersected promising porphyritic intrusive rocks with potassic alteration and sulphides, assay results for these holes are currently pending.
Reasoning: The release reports successful structural intersections (porphyry targets) but lacks new assay values, making it a geological update rather than a grade-driven one.
Positive factors
- intersection of porphyritic intrusive rocks
- presence of potassic alteration
- identification of sulphide minerals (chalcopyrite, molybdenite)
- scout drilling confirms geological model
Negative factors
- assay results for recent holes are pending
- no specific grades reported for new drill holes
Facts used in scoring: 4
Classification and evidence
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: While the document mentions SGS and analytical quality monitoring in the notes, it does not provide specific QA/QC results or protocols for the current pending assay campaign.
Evidence · text
“assay results are pending”
Extracted facts
Stored fact records: 4. Some facts used in scoring do not have a stored record.
Drill Results (4)
TVN001Cajueiro · goldIntercept: 80 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- TVN001
- Project
- Cajueiro
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ALTA
Geometry
- Intercept
- 80 m
- From
- 8 m
- To
- 88 m
- Hole Depth
- 198 m
- Intercept Depth
- 8 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- TVN001:8-88
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
- 2025-09-02T00:00:00.000Z
Dates
- Event date
- 2025-10-02T00:00:00.000Z
Reasoning: Intersection of porphyry rocks noted, but grades are pending.
Evidence · text
“Drill hole TVN001 was completed to a depth of 198m and intersected quartz porphyry intrusive and associated magmatic breccias from 8 to 88 metres”
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
TVN002Cajueiro · goldIntercept: 60 mView all detailsHide details
Identity
- Hole ID
- TVN002
- Project
- Cajueiro
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ALTA
Geometry
- Intercept
- 60 m
- From
- 71 m
- To
- 131 m
- Hole Depth
- 227 m
- Intercept Depth
- 71 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- TVN002:71-131
QA/QC
- QA/QC Disclosed
- Yes
- QA/QC Methods
- blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-10-02T00:00:00.000Z
Reasoning: Intersection of quartz porphyry noted, but grades are pending.
Evidence · text
“Drill hole TVN002... was completed to a depth of 227m and intersected 60 metres of quartz porphyry intrusive”
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
MRV002Cajueiro · goldIntercept: 65 mView all detailsHide details
Identity
- Hole ID
- MRV002
- Project
- Cajueiro
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ALTA
Geometry
- Intercept
- 65 m
- From
- 0 m
- To
- 65 m
- Hole Depth
- 90 m
- Intercept Depth
- 0 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- MRV002:0-65
QA/QC
- QA/QC Disclosed
- Yes
- QA/QC Methods
- blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-10-02T00:00:00.000Z
Reasoning: Intersection of quartz veined porphyry noted, but grades are pending.
Evidence · text
“MRV002 was drilled to a depth of 90m and intersected 65m of quartz veined felsic porphyry from surface”
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
MRV003Cajueiro · goldIntercept: 43 mView all detailsHide details
Identity
- Hole ID
- MRV003
- Project
- Cajueiro
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ALTA
Geometry
- Intercept
- 43 m
- Hole Depth
- 292 m
Classification
- Program
- exploration
- Sample Type
- drill
QA/QC
- QA/QC Disclosed
- Yes
- QA/QC Methods
- blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-10-02T00:00:00.000Z
Reasoning: Intersection of quartz veined porphyry noted, but grades are pending.
Evidence · text
“MRV003 was completed to a depth of 292m and intersected 43m of quartz veined porphyry”
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
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.