# Altamira Gold Intersects Porphyritic Intrusive Rocks in Initial Drill Holes at Two Regional Targets Within the Cajueiro District, Brazil Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/altamira-gold-intersects-porphyritic-intrusive-rocks-in-initial-drill-holes-at-t--5bd8a56a-a687-44da-90c2-8609aea0e351 Original source: https://money.tmx.com/en/quote/ALTA/news/6740760698897154/altamira-gold-intersects-porphyritic-intrusive-rocks-in-initial-drill-holes-at-t Publisher: tmx Original announcement: 2025-10-02T11:30:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: Altamira Gold Corp. - Ticker: ALTA - Exchange: TSX - Region: Mato Grosso, Brazil - Primary commodity: Gold - Secondary commodities: Copper, Molybdenum - Document categories: Drill results, Resource update - Extracted: 2026-08-21 05:51:06 UTC Narrative sentiment: 0.40 · Bullish ## Minestarters Atlas summary Altamira Gold has completed initial scout drilling at the Tavares Norte and Morro Verde targets within the Cajueiro district, Brazil. The holes intersected porphyritic intrusive rocks with potassic alteration and sulphide minerals, supporting the company's porphyry-style mineralization model. Assay results for the new drilling are currently pending. Reasoning: The company reports successful identification of porphyritic intrusive rocks and sulphide minerals at new scout targets, supporting their geological model, though specific grades for the new holes are not yet released. - Positive factor: Intersection of porphyritic intrusive rocks - Positive factor: Presence of chalcopyrite and molybdenite - Positive factor: Successful scout drilling at new targets - Negative factor: Assay results for new drill holes are still pending Facts used in scoring: 8 ## Classification and evidence **Step-Out Extension** Polarity: positive Definition: Mineralization extended beyond the previously known limit. Why it applies: Scout drilling is testing new regional targets \(Tavares Norte and Morro Verde\) within the district. Evidence · text > Initial scout drilling on the first two of nine porphyry targets in the Cajueiro district has been completed. **Inferred Resource** Polarity: negative Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. Why it applies: The company reports significant portions of its mineral resources are in the Inferred category. Evidence · text > 12.66Mt @ 1.26 g/t gold for a total of 515,000 oz in the Inferred Resource category ## Extracted facts Stored fact records: 8. Some facts used in scoring do not have a stored record. ## Drill Results (8) ### TVN001 [Link to this fact](https://atlas-staging.minestarters.com/news/altamira-gold-intersects-porphyritic-intrusive-rocks-in-initial-drill-holes-at-t--5bd8a56a-a687-44da-90c2-8609aea0e351#fact-drill-facts-0) Cajueiro · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: TVN001 - Project: Cajueiro - Commodity: gold - Region: brazil - Reported Region: Mato Grosso, Brazil - Ticker: ALTA #### Geometry - Intercept: 80 m - From: 8 m - To: 88 m #### Classification - Program: exploration - Sample Type: drill #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes - Historical Source Date: 2025-09-02T00:00:00.000Z #### Dates - Event date: 2025-10-02T00:00:00.000Z Reasoning: Hole intersected porphyritic intrusive rocks but grades are not yet reported. - Positive factor: Intersection of quartz porphyry - Negative factor: Assays pending Evidence · text > Drill hole TVN001 was completed to a depth of 198m and intersected quartz porphyry intrusive and associated magmatic breccias from 8 to 88 metres ### TVN002 [Link to this fact](https://atlas-staging.minestarters.com/news/altamira-gold-intersects-porphyritic-intrusive-rocks-in-initial-drill-holes-at-t--5bd8a56a-a687-44da-90c2-8609aea0e351#fact-drill-facts-1) Cajueiro · gold #### Identity - Hole ID: TVN002 - Project: Cajueiro - Commodity: gold - Region: brazil - Reported Region: Mato Grosso, Brazil - Ticker: ALTA #### Geometry - Intercept: 60 m - From: 11 m - To: 71 m #### Classification - Program: exploration - Sample Type: drill #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-10-02T00:00:00.000Z Reasoning: Hole intersected 60m of quartz porphyry but grades are not yet reported. - Positive factor: Intersection of quartz porphyry - Negative factor: Assays pending Evidence · text > Drill hole TVN002... was completed to a depth of 227m and intersected 60 metres of quartz porphyry intrusive. ### MRV002 [Link to this fact](https://atlas-staging.minestarters.com/news/altamira-gold-intersects-porphyritic-intrusive-rocks-in-initial-drill-holes-at-t--5bd8a56a-a687-44da-90c2-8609aea0e351#fact-drill-facts-2) Cajueiro · gold #### Identity - Hole ID: MRV002 - Project: Cajueiro - Commodity: gold - Region: brazil - Reported Region: Mato Grosso, Brazil - Ticker: ALTA #### Geometry - Intercept: 65 m - From: 0 m - To: 65 m #### Classification - Program: exploration - Sample Type: drill #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-10-02T00:00:00.000Z Reasoning: Hole intersected 65m of quartz veined felsic porphyry but grades are not yet reported. - Positive factor: Intersection of quartz veined felsic porphyry - Negative factor: Assays pending Evidence · text > MRV002 was drilled to a depth of 90m and intersected 65m of quartz veined felsic porphyry from surface ### MRV003 [Link to this fact](https://atlas-staging.minestarters.com/news/altamira-gold-intersects-porphyritic-intrusive-rocks-in-initial-drill-holes-at-t--5bd8a56a-a687-44da-90c2-8609aea0e351#fact-drill-facts-3) Cajueiro · gold #### Identity - Hole ID: MRV003 - Project: Cajueiro - Commodity: gold - Region: brazil - Reported Region: Mato Grosso, Brazil - Ticker: ALTA #### Geometry - Intercept: 43 m #### Classification - Program: exploration - Sample Type: drill #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-10-02T00:00:00.000Z Reasoning: Hole intersected 43m of quartz veined porphyry but grades are not yet reported. - Positive factor: Intersection of quartz veined porphyry - Negative factor: Assays pending Evidence · text > MRV003 was completed to a depth of 292m and intersected 43m of quartz veined porphyry. ### Fact 5 [Link to this fact](https://atlas-staging.minestarters.com/news/altamira-gold-intersects-porphyritic-intrusive-rocks-in-initial-drill-holes-at-t--5bd8a56a-a687-44da-90c2-8609aea0e351#fact-drill-facts-4) Cajueiro Central · gold #### Identity - Project: Cajueiro Central - Commodity: gold - Region: brazil - Reported Region: Mato Grosso, Brazil - Ticker: ALTA #### Geometry - Grade: 1.02 - Grade Unit: g/t #### Compositing - Cutoff Grade: 0.25 - Cutoff Unit: g/t #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-10-02T00:00:00.000Z Reasoning: Indicated resource at Cajueiro Central. - Positive factor: Established resource Evidence · text > Cajueiro Central area has a current open pit resource of 5.66Mt @ 1.02 g/t gold for a total of 185,000 oz in the Indicated Resource category ### Fact 6 [Link to this fact](https://atlas-staging.minestarters.com/news/altamira-gold-intersects-porphyritic-intrusive-rocks-in-initial-drill-holes-at-t--5bd8a56a-a687-44da-90c2-8609aea0e351#fact-drill-facts-5) Cajueiro Central · gold #### Identity - Project: Cajueiro Central - Commodity: gold - Region: brazil - Reported Region: Mato Grosso, Brazil - Ticker: ALTA #### Geometry - Grade: 1.26 - Grade Unit: g/t #### Compositing - Cutoff Grade: 0.25 - Cutoff Unit: g/t #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-10-02T00:00:00.000Z Reasoning: Inferred resource at Cajueiro Central. - Positive factor: Established resource - Negative factor: Inferred category Evidence · text > 12.66Mt @ 1.26 g/t gold for a total of 515,000 oz in the Inferred Resource category ### Fact 7 [Link to this fact](https://atlas-staging.minestarters.com/news/altamira-gold-intersects-porphyritic-intrusive-rocks-in-initial-drill-holes-at-t--5bd8a56a-a687-44da-90c2-8609aea0e351#fact-drill-facts-6) Maria Bonita · gold #### Identity - Project: Maria Bonita - Commodity: gold - Region: brazil - Reported Region: Mato Grosso, Brazil - Ticker: ALTA #### Geometry - Grade: 0.46 - Grade Unit: g/t #### Compositing - Cutoff Grade: 0.2 - Cutoff Unit: g/t #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-10-02T00:00:00.000Z Reasoning: Indicated resource at Maria Bonita. - Positive factor: Established resource Evidence · text > Maria Bonita open-pit resource consists of Indicated Resources of 24.19Mt @ 0.46g/t gold \(for a total of 357,800oz\) ### Fact 8 [Link to this fact](https://atlas-staging.minestarters.com/news/altamira-gold-intersects-porphyritic-intrusive-rocks-in-initial-drill-holes-at-t--5bd8a56a-a687-44da-90c2-8609aea0e351#fact-drill-facts-7) Maria Bonita · gold #### Identity - Project: Maria Bonita - Commodity: gold - Region: brazil - Reported Region: Mato Grosso, Brazil - Ticker: ALTA #### Geometry - Grade: 0.44 - Grade Unit: g/t #### Compositing - Cutoff Grade: 0.2 - Cutoff Unit: g/t #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-10-02T00:00:00.000Z Reasoning: Inferred resource at Maria Bonita. - Positive factor: Established resource - Negative factor: Inferred category Evidence · text > and Inferred Resources of 25.64Mt @ 0.44g/t gold \(for a total of 362,400oz\) ## 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.