Altamira Gold Intersects Gold Mineralization Within a New Porphyry Body at Tavares Norte 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
- Molybdenum, Zinc, Lead
- Document categories
- Drill results, Other
- Extracted
- 2026-08-21 05:31:50 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Altamira Gold has identified a second gold-mineralized porphyry body at its Tavares Norte target within the Cajueiro District, Brazil. Initial reconnaissance drilling at TVN002 returned a broad 161.7m interval at 0.2 g/t gold, including notable intercepts of 18.6m at 0.4 g/t gold.
Reasoning: The announcement reports the discovery of a new porphyry body at the Tavares Norte target, which is geologically similar to the existing Maria Bonita resource, representing a significant exploration milestone despite relatively low grades.
Positive factors
- discovery of a second porphyry body
- geological similarity to known resource
- broad mineralization width
Negative factors
- low grades in reconnaissance holes
Facts used in scoring: 5

Classification and evidence
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: The drilling at Tavares Norte identifies a new porphyry body 5.5km east of Maria Bonita.
Evidence · text
“indicates the presence of a second mineralized porphyry body”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The release mentions SGS laboratory, blanks, and standards.
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: 5. Some facts used in scoring do not have a stored record.
Drill Results (5)
TVN002Tavares Norte · goldGrade: 0.4Grade Unit: g/tIntercept: 18.6 mView all detailsHide details
Identity
- Hole ID
- TVN002
- Project
- Tavares Norte
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Geometry
- Grade
- 0.4
- Grade Unit
- g/t
- Intercept
- 18.6 m
- From
- 36 m
- To
- 54.6 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- TVN002:36.0-54.6
- Mining Method
- open_pit
QA/QC
- Laboratory
- SGS
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-10-29T00:00:00.000Z
Reasoning: 18.6m @ 0.4 g/t gold is a notable intercept within a new porphyry discovery.
Positive factors
- discovery of new porphyry body
Negative factors
- low grade
Evidence · text
“18.6m @ 0.4 g/t gold from 36m depth”
TVN002Tavares Norte · goldGrade: 0.3Grade Unit: g/tIntercept: 20 mView all detailsHide details
Identity
- Hole ID
- TVN002
- Project
- Tavares Norte
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Geometry
- Grade
- 0.3
- Grade Unit
- g/t
- Intercept
- 20 m
- From
- 133 m
- To
- 153 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- TVN002:133.0-153.0
- Mining Method
- open_pit
QA/QC
- Laboratory
- SGS
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-10-29T00:00:00.000Z
Reasoning: 20m @ 0.3 g/t gold is a low-grade intercept.
Negative factors
- low grade
Evidence · text
“20m @ 0.3 g/t gold from 133m depth”
TVN002Tavares Norte · goldGrade: 0.2Grade Unit: g/tIntercept: 161.7 mView all detailsHide details
Identity
- Hole ID
- TVN002
- Project
- Tavares Norte
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Geometry
- Grade
- 0.2
- Grade Unit
- g/t
- Intercept
- 161.7 m
- From
- 0 m
- To
- 161.7 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- TVN002:0.0-161.7
- Mining Method
- open_pit
QA/QC
- Laboratory
- SGS
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-10-29T00:00:00.000Z
Reasoning: 161.7m @ 0.2 g/t gold demonstrates a broad mineralized porphyry interval.
Positive factors
- significant width
Negative factors
- low grade
Evidence · text
“161.7m @ 0.2g/t gold”
TVN001Tavares Norte · goldGrade: 0.3Grade Unit: g/tIntercept: 3.3 mView all detailsHide details
Identity
- Hole ID
- TVN001
- Project
- Tavares Norte
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Geometry
- Grade
- 0.3
- Grade Unit
- g/t
- Intercept
- 3.3 m
- From
- 11 m
- To
- 14.3 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- TVN001:11.0-14.3
- Mining Method
- open_pit
QA/QC
- Laboratory
- SGS
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-10-29T00:00:00.000Z
Reasoning: 3.3m @ 0.30 g/t gold is a narrow, low-grade intercept.
Negative factors
- narrow width
- low grade
Evidence · text
“3.3m @ 0.30 g/t gold from 11.0m depth”
TVN001Tavares Norte · goldGrade: 0.4Grade Unit: g/tIntercept: 1 mView all detailsHide details
Identity
- Hole ID
- TVN001
- Project
- Tavares Norte
- Commodity
- gold
- Region
- brazil
- Reported Region
- Mato Grosso, Brazil
- Ticker
- ALTA
Geometry
- Grade
- 0.4
- Grade Unit
- g/t
- Intercept
- 1 m
- From
- 61 m
- To
- 62 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- TVN001:61.0-62.0
- Mining Method
- open_pit
QA/QC
- Laboratory
- SGS
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- blanks, standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-10-29T00:00:00.000Z
Reasoning: 1.0m @ 0.40 g/t gold is a narrow, low-grade intercept.
Negative factors
- narrow width
- low grade
Evidence · text
“1.0m @ 0.40 g/t gold from 61.0m depth”
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.