Altamira Gold Drills 134m @ 0.5 g/t Gold and Trenches 114m @ 0.7 g/t Gold at the Maria Bonita Gold Deposit, Cajueiro Gold District, Brazil
Original announcement by orestocks on
- Company
- Altamira Gold Corp.
- Ticker
- ALTA.V
- Exchange
- Unavailable
- Region
- Mato Grosso, Brazil
- Primary commodity
- Gold
- Secondary commodities
- None reported
- Document categories
- Drill results, Other
- Extracted
- 2026-10-08 12:55:18 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Altamira Gold reported new drill and trench results at the Maria Bonita deposit in Brazil, including a 134m @ 0.5 g/t gold interval in hole MBA045. Trench TCMBA05 returned 114m @ 0.7 g/t gold including a 36m @ 1.3 g/t gold high-grade zone.
Reasoning: New drill and trench results confirm mineralization within the existing resource footprint and suggest potential for expansion/higher grade near-surface, though grades remain moderate.
Positive factors
- Wide mineralized intervals in MBA045
- High-grade trench results (1.3 g/t Au)
- Mineralization open at depth
- Results lie within optimized pit footprint
Negative factors
- Grades are relatively low (0.3-0.7 g/t Au) compared to global porphyry averages
Facts used in scoring: 6
Classification and evidence
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: Release mentions insertion of field duplicates, certified reference materials, and blank samples.
Evidence · text
“includes the insertion of field duplicates, independent certified reference materials and blank samples”
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: CEO mentions potential for future infill drilling to enhance resources.
Evidence · text
“indicating the potential to further enhance the existing gold resources through future infill drilling”
Extracted facts
Stored fact records: 6. Some facts used in scoring do not have a stored record.
Drill Results (6)
MBA045Maria Bonita West · goldGrade: 0.4Grade Unit: g/tIntercept: 87 mView all detailsHide details
Identity
- Hole ID
- MBA045
- Project
- Maria Bonita West
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ALTA.V
Geometry
- Grade
- 0.4
- Grade Unit
- g/t
- Intercept
- 87 m
- From
- 0 m
- To
- 87 m
- Intercept Depth
- 0 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- MBA045:0-87
QA/QC
- QA/QC Disclosed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-10-08T00:00:00.000Z
Reasoning: 87m @ 0.4 g/t Au is a broad near-surface interval.
Positive factors
- Broad interval from surface
Negative factors
- Low grade
Evidence · text
“87m @ 0.4g/t gold 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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MBA045Maria Bonita West · goldGrade: 0.3Grade Unit: g/tIntercept: 52 mView all detailsHide details
Identity
- Hole ID
- MBA045
- Project
- Maria Bonita West
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ALTA.V
Geometry
- Grade
- 0.3
- Grade Unit
- g/t
- Intercept
- 52 m
- From
- 155 m
- To
- 207 m
- Intercept Depth
- 155 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- MBA045:155-207
QA/QC
- QA/QC Disclosed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-10-08T00:00:00.000Z
Reasoning: 52m @ 0.3 g/t Au is a moderate grade interval.
Negative factors
- Low grade
Evidence · text
“52m @ 0.3g/t gold from 155m downhole”
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MBA045Maria Bonita West · goldGrade: 0.5Grade Unit: g/tIntercept: 134 mView all detailsHide details
Identity
- Hole ID
- MBA045
- Project
- Maria Bonita West
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ALTA.V
Geometry
- Grade
- 0.5
- Grade Unit
- g/t
- Intercept
- 134 m
- From
- 215 m
- To
- 349 m
- Hole Depth
- 349 m
- Intercept Depth
- 215 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- MBA045:215-349
QA/QC
- QA/QC Disclosed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-10-08T00:00:00.000Z
Reasoning: 134m @ 0.5 g/t Au is a significant wide interval at depth.
Positive factors
- Wide interval
- Open at depth
Evidence · text
“134m @ 0.5g/t gold from 215m to the bottom of the hole at 349m”
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
TCMBA05Maria Bonita · goldGrade: 0.7Grade Unit: g/tIntercept: 114 mView all detailsHide details
Identity
- Hole ID
- TCMBA05
- Project
- Maria Bonita
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA.V
Geometry
- Grade
- 0.7
- Grade Unit
- g/t
- Intercept
- 114 m
Classification
- Program
- resource
- Sample Type
- channel
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-10-08T00:00:00.000Z
Reasoning: 114m @ 0.7 g/t Au trench result shows near-surface potential.
Positive factors
- Higher grade than drill results
Evidence · text
“114m @ 0.7g/t gold”
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
TCMBA05Maria Bonita · goldGrade: 1.3Grade Unit: g/tIntercept: 36 mView all detailsHide details
Identity
- Hole ID
- TCMBA05
- Project
- Maria Bonita
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA.V
Geometry
- Grade
- 1.3
- Grade Unit
- g/t
- Intercept
- 36 m
Classification
- Program
- resource
- Sample Type
- channel
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-10-08T00:00:00.000Z
Reasoning: 36m @ 1.3 g/t Au is a strong high-grade intercept within the trench.
Positive factors
- High grade sub-interval
Evidence · text
“36m @ 1.3g/t gold”
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
MBA044Maria Bonita West · goldGrade: 0.3Grade Unit: g/tIntercept: 7.2 mView all detailsHide details
Identity
- Hole ID
- MBA044
- Project
- Maria Bonita West
- Commodity
- gold
- Region
- brazil
- Reported Region
- brazil
- Ticker
- ALTA.V
Geometry
- Grade
- 0.3
- Grade Unit
- g/t
- Intercept
- 7.2 m
Classification
- Program
- resource
- Sample Type
- drill
QA/QC
- QA/QC Disclosed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-10-08T00:00:00.000Z
Reasoning: 7.2m @ 0.3 g/t Au is a weak intercept below cut-off.
Negative factors
- Weak grade
Evidence · text
“7.2m @ 0.3 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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
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.