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
- 2026-09-13 11:23:58 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Altamira Gold has intersected high-grade gold mineralization at the new Morro Verde target in the Cajueiro District, Brazil. Drill hole MRV003 returned 8m @ 3.5 g/t gold, including a 1m intercept of 15.4 g/t gold, within an interpreted quartz porphyry intrusive. This discovery identifies a second porphyry-style gold system in the district, extending the known mineralized corridor.
Reasoning: The discovery of a new high-grade gold-bearing porphyry target (Morro Verde) significantly expands the district's potential and provides a high-grade intercept (15.4 g/t Au) that is highly material for an exploration-stage project.
Positive factors
- High-grade gold intercept in a new porphyry body
- Discovery of a second mineralized porphyry target in the district
- Intercept is one of the highest grade-width products in the district
Negative factors
- True width currently unknown
- Holes MRV001 and MRV002 were barren
Facts used in scoring: 2
Classification and evidence
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: 15.4 g/t gold intercept is exceptionally high for a porphyry-style deposit.
Evidence · text
“including 1m @ 15.4g/t gold”
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: The intercept is located 1.5km north of the Cajueiro Central resource, representing a new target area.
Evidence · text
“located 1.5km north of the Cajueiro Central mineral resource”
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 the use of certified reference materials (standards), blanks, and field duplicates.
Evidence · text
“includes the 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 that the true width of the intersection is currently unknown.
Evidence · text
“The true width of the intersection is currently unknown.”
Extracted facts
Stored fact records: 2. Some facts used in scoring do not have a stored record.
Drill Results (2)
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
- brazil
- Ticker
- ALTA
Geometry
- Grade
- 3.5
- Grade Unit
- g/t
- Intercept
- 8 m
- From
- 176 m
- To
- 184 m
- Hole Depth
- 292.4 m
- Intercept Depth
- 176 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- MRV003:176-184
- Mining Method
- unknown
Location
- Location
- Morro Verde
- Easting
- 548460
- Northing
- 8965590
- Elevation
- 243 m
- Azimuth
- 180 °
- Dip
- -55 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
- Deleterious Elements
- sulfur
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-11-19T00:00:00.000Z
Reasoning: Strong gold grade in a new porphyry-style target.
Positive factors
- High grade intercept
- New porphyry target
Negative factors
- True width unknown
Evidence · table
“3.5”
Context: 8
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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Following the recent discovery of gold mineralization at Tavares Norte, we now have drill intercepts in two separate gol"
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
- brazil
- Ticker
- ALTA
Geometry
- Grade
- 15.4
- Grade Unit
- g/t
- Intercept
- 1 m
- From
- 182 m
- To
- 183 m
- Hole Depth
- 292.4 m
- Intercept Depth
- 176 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- MRV003:182-183
- Mining Method
- unknown
Location
- Location
- Morro Verde
- Easting
- 548460
- Northing
- 8965590
- Elevation
- 243 m
- Azimuth
- 180 °
- Dip
- -55 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SGS Geosol
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
- Deleterious Elements
- sulfur
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-11-19T00:00:00.000Z
Reasoning: Very high grade sub-interval within the main intercept.
Positive factors
- Bonanza grade intercept
Evidence · table
“15.3”
Context: 1
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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Following the recent discovery of gold mineralization at Tavares Norte, we now have drill intercepts in two separate gol"
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.