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
- 2026-08-20 23:10:27 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Altamira Gold has reported successful scout drilling at the Maria Bonita project in Brazil, intersecting a 70.6m gold interval that extends the known porphyry system to the west. The results indicate a separate, early-stage porphyry body that is open for further exploration.
Reasoning: Scout drilling (MBA036) successfully intersected a wide, mineralized porphyry interval 100m outside the existing Maria Bonita resource, demonstrating significant exploration upside and extension of the system.
Positive factors
- Step-Out Extension
- Discovery of new porphyry body
- Continuity of mineralization to the west
Facts used in scoring: 3
Classification and evidence
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: 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 lab, use of blanks, standards, and duplicates.
Evidence · text
“For all drilling, half core is submitted to SGS Geosol... inserting control samples randomly... 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)
MBA036Maria Bonita · goldGrade: 0.5Grade Unit: g/tIntercept: 70.6 mView all detailsHide details
Identity
- Hole ID
- MBA036
- Project
- Maria Bonita
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, 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
Classification
- Sample Type
- drill
- Group ID
- MBA036:277.0-347.6
- Mining Method
- open_pit
Location
- Azimuth
- 0 °
- Dip
- 55 °
- Loc. Confidence
- medium
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-05-12T00:00:00.000Z
Reasoning: 70.6m wide intercept at 0.5 g/t Au demonstrates significant porphyry continuity outside the known resource.
Positive factors
- Wide interval
- Step-out extension
Evidence · text
“MBA036 returned 70.6m @ 0.5g/t gold from 277m downhole to the end of hole”
MBA036Maria Bonita · goldGrade: 0.5Grade Unit: g/tIntercept: 19 mView all detailsHide details
Identity
- Hole ID
- MBA036
- Project
- Maria Bonita
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Geometry
- Grade
- 0.5
- Grade Unit
- g/t
- Intercept
- 19 m
- From
- 239 m
- To
- 258 m
- Hole Depth
- 348 m
Classification
- Sample Type
- drill
- Group ID
- MBA036:239.0-258.0
- Mining Method
- open_pit
Location
- Azimuth
- 0 °
- Dip
- 55 °
- Loc. Confidence
- medium
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards, 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.
Evidence · text
“19m @ 0.5g/t gold from 239m in quartz veined rhyolite porphyry”
Fact 3goldGrade: 0.6Grade Unit: g/tView all detailsHide details
Identity
- Commodity
- gold
- 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 target for MBA036.
Negative factors
- Not representative of bulk grade
Evidence · text
“surface grab sample* 60m south of the western limit... returned an anomalous gold value of 0.6g/t”
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.