Altamira Gold Intersects High Grade Gold Mineralization Within a Second New Porphyry Body at Morro Verde Target, 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
- Sulfur
- Document categories
- Drill results, Other
- Extracted
- 2026-08-21 04:20:36 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Altamira Gold has intersected high-grade gold mineralization at its new Morro Verde target in the Cajueiro District, Brazil. The results include an 8m intercept at 3.5 g/t gold, including 1m at 15.4 g/t gold, within a newly identified quartz porphyry intrusive.
Reasoning: The discovery of a second porphyry body at Morro Verde with high-grade gold intercepts (up to 15.4 g/t) significantly expands the district's known mineralized footprint.
Positive factors
- discovery of a new porphyry body
- high-grade intercept (15.4 g/t Au)
- extension of district-scale mineralization corridor
- potential for both open-pit and underground mining
Negative factors
- true width currently unknown
Facts used in scoring: 3

Classification and evidence
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: 15.4 g/t gold is exceptionally high for a porphyry target.
Evidence · table
“15.3”
Context: 1
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: Release mentions standards, blanks, and duplicates, and names SGS Geosol.
Evidence · text
“insertion of blind certified reference materials (standards), blanks and field duplicate samples”
Apparent Width Onlynegative
Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.
Why it applies: The document explicitly states the true width is currently unknown.
Evidence · text
“The true width of the intersection is currently unknown.”
Extracted facts
Stored fact records: 3. Some facts used in scoring do not have a stored record.
Drill Results (3)
MRV003Morro Verde · goldGrade: 3.5Grade Unit: g/tIntercept: 8 mView all detailsHide details
Identity
- Hole ID
- MRV003
- Project
- Morro Verde
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Geometry
- Grade
- 3.5
- Grade Unit
- g/t
- Intercept
- 8 m
- From
- 176 m
- To
- 184 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- MRV003:176-184
- Mining Method
- unknown
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-11-19T00:00:00.000Z
Reasoning: 8m @ 3.5 g/t Au is a strong intercept for a porphyry-style target.
Positive factors
- solid grade and width
Negative factors
- true width unknown
Evidence · table
“3.5”
Context: 8
MRV003Morro Verde · goldGrade: 15.4Grade Unit: g/tIntercept: 1 mView all detailsHide details
Identity
- Hole ID
- MRV003
- Project
- Morro Verde
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Geometry
- Grade
- 15.4
- Grade Unit
- g/t
- Intercept
- 1 m
- From
- 182 m
- To
- 183 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- MRV003:182-183
- Mining Method
- unknown
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-11-19T00:00:00.000Z
Reasoning: 15.4 g/t Au is an exceptionally high grade for this deposit type.
Positive factors
- bonanza grade intercept
Evidence · table
“15.3”
Context: 1
MRV003Morro Verde · sulfurGrade: 1.5Grade Unit: %Intercept: 8 mView all detailsHide details
Identity
- Hole ID
- MRV003
- Project
- Morro Verde
- Commodity
- sulfur
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Geometry
- Grade
- 1.5
- Grade Unit
- %
- Intercept
- 8 m
- From
- 176 m
- To
- 184 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- MRV003:176-184
- Mining Method
- unknown
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-11-19T00:00:00.000Z
Reasoning: Sulfur content noted as part of mineralogy.
Evidence · text
“disseminated pyrite content (1.5-3% S)”
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.