Altamira Gold Intersects Additional Mineralized Porphyry outside the Maria Bonita Mineral Resource, Extending the Exploration Footprint 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
- None reported
- Document categories
- Drill results, Other
- Extracted
- 2026-09-13 10:56:32 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Altamira Gold has reported significant scout drilling results from the Maria Bonita project in Brazil, intersecting a 70.6m gold interval at 0.5 g/t. This intercept demonstrates the extension of the mineralized porphyry system to the west of the existing mineral resource.
Reasoning: Scout drilling successfully intersected a wide, mineralized porphyry interval 100m west of the existing resource, demonstrating significant exploration potential and footprint extension.
Positive factors
- Step-Out Extension
- continuity of the porphyry complex to the west
- wide interval of porphyry mineralization
Facts used in scoring: 3
Classification and evidence
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: The intercept lies 100m below and to the west of the previously estimated mineral resource.
Evidence · text
“This intercept lies 100m below and to the west of the previously estimated mineral resource”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: Release mentions SGS Geosol laboratory, use of blanks, standards, and duplicates.
Evidence · text
“comprising field duplicates, independent reference samples and "blank" samples.”
Extracted facts
Stored fact records: 3. Some facts used in scoring do not have a stored record.
Drill Results (3)
MBA036The presence of strong quartz veining and consistent gold mineralization in this hole indicates that the mineralized porphyry · goldGrade: 0.5Grade Unit: g/tIntercept: 70.6 mView all detailsHide details
Identity
- Hole ID
- MBA036
- Project
- The presence of strong quartz veining and consistent gold mineralization in this hole indicates that the mineralized porphyry
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ALTA
Geometry
- Grade
- 0.5
- Grade Unit
- g/t
- Intercept
- 70.6 m
- From
- 277 m
- To
- 347.6 m
- Hole Depth
- 348 m
- Intercept Depth
- 277 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- MBA036:277-347.6
- Mining Method
- open_pit
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-12T00:00:00.000Z
Reasoning: Wide 70.6m intercept at 0.5 g/t gold demonstrates porphyry continuity outside the known resource.
Positive factors
- Step-Out Extension
- wide interval
Evidence · text
“Drill hole MBA036 returned 70.6m @ 0.5g/t gold from 277m downhole to the end of hole”
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
MBA036The presence of strong quartz veining and consistent gold mineralization in this hole indicates that the mineralized porphyry · goldGrade: 0.5Grade Unit: g/tIntercept: 19 mView all detailsHide details
Identity
- Hole ID
- MBA036
- Project
- The presence of strong quartz veining and consistent gold mineralization in this hole indicates that the mineralized porphyry
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ALTA
Geometry
- Grade
- 0.5
- Grade Unit
- g/t
- Intercept
- 19 m
- From
- 239 m
- To
- 258 m
- Hole Depth
- 348 m
- Intercept Depth
- 239 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- MBA036:239-258
- Mining Method
- open_pit
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-12T00:00:00.000Z
Reasoning: Secondary intercept in quartz veined rhyolite porphyry confirming mineralization presence.
Evidence · text
“19m @ 0.5g/t gold from 239m in quartz veined rhyolite 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
Fact 3goldGrade: 0.6Grade Unit: g/tView all detailsHide details
Identity
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Geometry
- Grade
- 0.6
- Grade Unit
- g/t
Classification
- Sample Type
- surface
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-12T00:00:00.000Z
Reasoning: Anomalous surface grab sample supporting the drill target.
Evidence · text
“A surface grab sample* 60m south of the western limit of the Maria Bonita mineral resource returned an anomalous gold value of 0.6g/t”
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
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.