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

Atlas analysis — Altamira Gold Corp.: Altamira Gold Intersects Gold Mineralization Within a New Porphyry Body at Tavares Norte Target, Cajueiro District, Brazil. 0.2 g/t over 161.7 m; 0.3 g/t over 3.3 m; 0.4 g/t over 1 m

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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.