Altamira Gold Trenches 17m @ 1.5g/t Gold 200 metres South of the Cajueiro Central Mineral Resource Block on Extension of Central Resource Mineralization
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, Metallurgy
- Extracted
- 2026-08-21 08:49:19 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Altamira Gold Corp. reported trenching results at the Cajueiro Central Project that extend gold mineralization approximately 200m beyond the current Mineral Resource limit. The program also collected oxide metallurgical samples for upcoming heap leach testwork.
Reasoning: Trenching results identified significant gold mineralization (up to 9.5 g/t) extending 200m beyond the current Mineral Resource boundary, providing a clear new drill target.
Positive factors
- Step-Out Extension
- QA/QC Disclosed
Facts used in scoring: 19
Classification and evidence
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: Trench 61 shows a 17m @ 1.46g/t Au intercept approximately 200m beyond the limit of the current Mineral Resource.
Evidence · text
“The intercept of 17m @ 1.46g/t Au lies approximately 200 m along strike beyond the limit of the current Mineral Resource”
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: Trench TCBL-0058 returned 4m @ 9.50 g/t Au, which is exceptionally high grade.
Evidence · table
“9.50 g/t Au”
Context: 4m
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: Release mentions gold analysis conducted by SGS using FAA505 method and monitoring by certified references and blanks.
Evidence · text
“Gold analysis has been conducted by SGS method FAA505... Analytical quality is monitored by certified references and blanks.”
Extracted facts
Stored fact records: 19. Some facts used in scoring do not have a stored record.
Drill Results (19)
TCBL-0052Cajueiro Central · goldGrade: 0.16Grade Unit: g/tIntercept: 14 mView all detailsHide details
Identity
- Hole ID
- TCBL-0052
- Project
- Cajueiro Central
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Geometry
- Grade
- 0.16
- Grade Unit
- g/t
- Intercept
- 14 m
Classification
- Sample Type
- surface
- Group ID
- TCBL-0052:0-14
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-02-05T00:00:00.000Z
Reasoning: Low grade intercept of 0.16 g/t Au.
Negative factors
- low grade
Evidence · table
“0.16g/t Au”
Context: 14m
TCBL-0053Cajueiro Central · goldGrade: 3.57Grade Unit: g/tIntercept: 3 mView all detailsHide details
Identity
- Hole ID
- TCBL-0053
- Project
- Cajueiro Central
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Geometry
- Grade
- 3.57
- Grade Unit
- g/t
- Intercept
- 3 m
Classification
- Sample Type
- surface
- Group ID
- TCBL-0053:0-3
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-02-05T00:00:00.000Z
Reasoning: Strong grade intercept of 3.57 g/t Au.
Evidence · table
“3.57g/t Au”
Context: 3m
TCBL-0053Cajueiro Central · goldGrade: 0.91Grade Unit: g/tIntercept: 2 mView all detailsHide details
Identity
- Hole ID
- TCBL-0053
- Project
- Cajueiro Central
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Geometry
- Grade
- 0.91
- Grade Unit
- g/t
- Intercept
- 2 m
Classification
- Sample Type
- surface
- Group ID
- TCBL-0053:3-5
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-02-05T00:00:00.000Z
Reasoning: Moderate grade intercept of 0.91 g/t Au.
Evidence · table
“0.91g/t Au”
Context: 2m
TCBL-0054Cajueiro Central · goldGrade: 0.16Grade Unit: g/tIntercept: 5 mView all detailsHide details
Identity
- Hole ID
- TCBL-0054
- Project
- Cajueiro Central
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Geometry
- Grade
- 0.16
- Grade Unit
- g/t
- Intercept
- 5 m
Classification
- Sample Type
- surface
- Group ID
- TCBL-0054:0-5
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-02-05T00:00:00.000Z
Reasoning: Low grade intercept of 0.16 g/t Au.
Negative factors
- low grade
Evidence · table
“0.16g/t Au”
Context: 5m
TCBL-0055Cajueiro Central · goldGrade: 0.66Grade Unit: g/tIntercept: 2 mView all detailsHide details
Identity
- Hole ID
- TCBL-0055
- Project
- Cajueiro Central
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Geometry
- Grade
- 0.66
- Grade Unit
- g/t
- Intercept
- 2 m
Classification
- Sample Type
- surface
- Group ID
- TCBL-0055:0-2
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-02-05T00:00:00.000Z
Reasoning: Low grade intercept of 0.66 g/t Au.
Evidence · table
“0.66g/t Au”
Context: 2m
TCBL-0055Cajueiro Central · goldGrade: 0.26Grade Unit: g/tIntercept: 5 mView all detailsHide details
Identity
- Hole ID
- TCBL-0055
- Project
- Cajueiro Central
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Geometry
- Grade
- 0.26
- Grade Unit
- g/t
- Intercept
- 5 m
Classification
- Sample Type
- surface
- Group ID
- TCBL-0055:2-7
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-02-05T00:00:00.000Z
Reasoning: Low grade intercept of 0.26 g/t Au.
Negative factors
- low grade
Evidence · table
“0.26g/t Au”
Context: 5m
TCBL-0056Cajueiro Central · goldGrade: 0.8Grade Unit: g/tIntercept: 3 mView all detailsHide details
Identity
- Hole ID
- TCBL-0056
- Project
- Cajueiro Central
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Geometry
- Grade
- 0.8
- Grade Unit
- g/t
- Intercept
- 3 m
Classification
- Sample Type
- surface
- Group ID
- TCBL-0056:0-3
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-02-05T00:00:00.000Z
Reasoning: Moderate grade intercept of 0.8 g/t Au.
Evidence · table
“0.80 g/t Au”
Context: 3m
TCBL-0057Cajueiro Central · goldGrade: 1.27Grade Unit: g/tIntercept: 2 mView all detailsHide details
Identity
- Hole ID
- TCBL-0057
- Project
- Cajueiro Central
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Geometry
- Grade
- 1.27
- Grade Unit
- g/t
- Intercept
- 2 m
Classification
- Sample Type
- surface
- Group ID
- TCBL-0057:0-2
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-02-05T00:00:00.000Z
Reasoning: Moderate grade intercept of 1.27 g/t Au.
Evidence · table
“1.27g/t Au”
Context: 2m
TCBL-0058Cajueiro Central · goldGrade: 9.5Grade Unit: g/tIntercept: 4 mView all detailsHide details
Identity
- Hole ID
- TCBL-0058
- Project
- Cajueiro Central
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Geometry
- Grade
- 9.5
- Grade Unit
- g/t
- Intercept
- 4 m
Classification
- Sample Type
- surface
- Group ID
- TCBL-0058:0-4
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-02-05T00:00:00.000Z
Reasoning: Exceptional high-grade intercept of 9.50 g/t Au.
Positive factors
- Bonanza Intercept
Evidence · table
“9.50 g/t Au”
Context: 4m
TCBL-0058Cajueiro Central · goldGrade: 1.01Grade Unit: g/tIntercept: 7 mView all detailsHide details
Identity
- Hole ID
- TCBL-0058
- Project
- Cajueiro Central
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Geometry
- Grade
- 1.01
- Grade Unit
- g/t
- Intercept
- 7 m
Classification
- Sample Type
- surface
- Group ID
- TCBL-0058:4-11
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-02-05T00:00:00.000Z
Reasoning: Moderate grade intercept of 1.01 g/t Au.
Evidence · table
“1.01 g/t Au”
Context: 7m
TCBL-0059Cajueiro Central · goldGrade: 0.64Grade Unit: g/tIntercept: 18 mView all detailsHide details
Identity
- Hole ID
- TCBL-0059
- Project
- Cajueiro Central
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Geometry
- Grade
- 0.64
- Grade Unit
- g/t
- Intercept
- 18 m
Classification
- Sample Type
- surface
- Group ID
- TCBL-0059:0-18
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-02-05T00:00:00.000Z
Reasoning: Significant width with moderate grade of 0.64 g/t Au.
Evidence · table
“0.64 g/t Au”
Context: 18m
TCBL-0060Cajueiro Central · goldGrade: 0.73Grade Unit: g/tIntercept: 11 mView all detailsHide details
Identity
- Hole ID
- TCBL-0060
- Project
- Cajueiro Central
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Geometry
- Grade
- 0.73
- Grade Unit
- g/t
- Intercept
- 11 m
Classification
- Sample Type
- surface
- Group ID
- TCBL-0060:0-11
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-02-05T00:00:00.000Z
Reasoning: Moderate grade intercept of 0.73 g/t Au.
Evidence · table
“0.73 g/t Au”
Context: 11m
TCBL-0061Cajueiro Central · goldGrade: 1.46Grade Unit: g/tIntercept: 17 mView all detailsHide details
Identity
- Hole ID
- TCBL-0061
- Project
- Cajueiro Central
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Geometry
- Grade
- 1.46
- Grade Unit
- g/t
- Intercept
- 17 m
Classification
- Sample Type
- surface
- Group ID
- TCBL-0061:0-17
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-02-05T00:00:00.000Z
Reasoning: Significant 17m intercept at 1.46 g/t Au extending 200m beyond the Mineral Resource.
Positive factors
- Step-Out Extension
Evidence · table
“1.46 g/t Au”
Context: 17m
TCBL-0061Cajueiro Central · goldGrade: 0.5Grade Unit: g/tIntercept: 2 mView all detailsHide details
Identity
- Hole ID
- TCBL-0061
- Project
- Cajueiro Central
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Geometry
- Grade
- 0.5
- Grade Unit
- g/t
- Intercept
- 2 m
Classification
- Sample Type
- surface
- Group ID
- TCBL-0061:17-19
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-02-05T00:00:00.000Z
Reasoning: Low grade intercept of 0.5 g/t Au.
Evidence · table
“0.50 g/t Au”
Context: 2m
TCBL-0062Cajueiro Central · goldGrade: 0.29Grade Unit: g/tIntercept: 7 mView all detailsHide details
Identity
- Hole ID
- TCBL-0062
- Project
- Cajueiro Central
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Geometry
- Grade
- 0.29
- Grade Unit
- g/t
- Intercept
- 7 m
Classification
- Sample Type
- surface
- Group ID
- TCBL-0062:0-7
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-02-05T00:00:00.000Z
Reasoning: Low grade intercept of 0.29 g/t Au.
Negative factors
- low grade
Evidence · table
“0.29 g/t Au”
Context: 7m
TCBL-0063Cajueiro Central · goldGrade: 0.48Grade Unit: g/tIntercept: 4 mView all detailsHide details
Identity
- Hole ID
- TCBL-0063
- Project
- Cajueiro Central
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Geometry
- Grade
- 0.48
- Grade Unit
- g/t
- Intercept
- 4 m
Classification
- Sample Type
- surface
- Group ID
- TCBL-0063:0-4
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-02-05T00:00:00.000Z
Reasoning: Low grade intercept of 0.48 g/t Au.
Evidence · table
“0.48g/t Au”
Context: 4m
TCBL-0063Cajueiro Central · goldGrade: 0.39Grade Unit: g/tIntercept: 2 mView all detailsHide details
Identity
- Hole ID
- TCBL-0063
- Project
- Cajueiro Central
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Geometry
- Grade
- 0.39
- Grade Unit
- g/t
- Intercept
- 2 m
Classification
- Sample Type
- surface
- Group ID
- TCBL-0063:4-6
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-02-05T00:00:00.000Z
Reasoning: Low grade intercept of 0.39 g/t Au.
Negative factors
- low grade
Evidence · table
“0.39g/t Au”
Context: 2m
TCBL-0064Cajueiro Central · goldGrade: 5.12Grade Unit: g/tIntercept: 6 mView all detailsHide details
Identity
- Hole ID
- TCBL-0064
- Project
- Cajueiro Central
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Geometry
- Grade
- 5.12
- Grade Unit
- g/t
- Intercept
- 6 m
Classification
- Sample Type
- surface
- Group ID
- TCBL-0064:0-6
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-02-05T00:00:00.000Z
Reasoning: Strong high-grade intercept of 5.12 g/t Au.
Positive factors
- Bonanza Intercept
Evidence · table
“5.12 g/t Au”
Context: 6m
Fact 19goldHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- ALTA
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2024-02-07T00:00:00.000Z
Dates
- Event date
- 2025-02-05T00:00:00.000Z
Reasoning: Prior heap leach testing at Maria Bonita showed 88% recovery.
Positive factors
- High Recovery
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.