# 110 Metres at 1.94% Copper Strengthens the Heap Leach Development Thesis at Fitzroy Minerals' Buen Retiro Project Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/110-metres-at-1-94-copper-strengthens-the-heap-leach-development-thesis-at-fitzr--780493a6-9cb6-418e-bb0d-8ee1e3baa85d Original source: https://www.cruxinvestor.com/posts/110-metres-at-1-94-copper-strengthens-the-heap-leach-development-thesis-at-fitzroy-minerals-buen-retiro-project Publisher: cruxinvestor Original announcement: 2026-02-11T00:00:00.000Z Analysis by Minestarters Atlas Atlas analysis published: 2026-10-01T01:33:16.974Z Atlas analysis updated: 2026-10-01T01:33:16.974Z - Company: Fitzroy Minerals - Ticker: ASX: FZL - Exchange: Unavailable - Region: Chile - Primary commodity: Copper - Secondary commodities: None reported - Document categories: Drill results - Extracted: 2026-10-01 01:33:17 UTC Narrative sentiment: 0.80 · Bullish ## Minestarters Atlas summary Fitzroy Minerals reported a significant 110-metre copper oxide intercept of 1.94% Cu at the Buen Retiro project in Chile. This result supports a staged development strategy prioritizing a low-capital heap leach operation for oxides before transitioning to deeper sulphides. Reasoning: The 110m @ 1.94% Cu intercept is a significant high-grade oxide result that materially strengthens the economic case for a low-capex heap leach development pathway. - Positive factor: High-grade near-surface oxide intercept - Positive factor: Thick intercept \(110m\) supports heap leach strategy - Positive factor: True width disclosed - Positive factor: Proximity to infrastructure and potential JV with Pucobre Facts used in scoring: 2 ## Classification and evidence No classification tags are available. ## Extracted facts Stored fact records: 2. Some facts used in scoring do not have a stored record. ## Drill Results (2) ### BRT-DDH022 [Link to this fact](https://atlas-staging.minestarters.com/news/110-metres-at-1-94-copper-strengthens-the-heap-leach-development-thesis-at-fitzr--780493a6-9cb6-418e-bb0d-8ee1e3baa85d#fact-drill-facts-0) Buen Retiro · copper #### Identity - Hole ID: BRT-DDH022 - Project: Buen Retiro - Commodity: copper - Region: chile - Reported Region: chile - Ticker: ASX: FZL #### Geometry - Grade: 1.94 - Grade Unit: % - Intercept: 110 m - True Width: 71.5 m - From: 62 m - To: 172 m - Intercept Depth: 62 m #### Classification - Deposit Type: iocg - Program: resource - Sample Type: drill - Group ID: BRT-DDH022:62-172 - Mining Method: open\_pit #### Location - Location: Buen Retiro - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-02-11T00:00:00.000Z Reasoning: 110m at 1.94% Cu is a strong intercept for an oxide/heap leach target. - Positive factor: High grade and thickness - Positive factor: True width disclosed - Negative factor: No QA/QC disclosure Evidence · text > Diamond hole BRT-DDH022 intersected 110 metres grading 1.94% copper from 62 metres #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 71.5 **QA/QC Disclosed** Polarity: positive Definition: 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 Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" ### BRT-DDH022 [Link to this fact](https://atlas-staging.minestarters.com/news/110-metres-at-1-94-copper-strengthens-the-heap-leach-development-thesis-at-fitzr--780493a6-9cb6-418e-bb0d-8ee1e3baa85d#fact-drill-facts-1) Buen Retiro · copper #### Identity - Hole ID: BRT-DDH022 - Project: Buen Retiro - Commodity: copper - Region: chile - Reported Region: chile - Ticker: ASX: FZL #### Geometry - Grade: 3.06 - Grade Unit: % - Intercept: 58 m - True Width: 37.7 m - From: 97 m - To: 155 m - Intercept Depth: 62 m #### Classification - Deposit Type: iocg - Program: resource - Sample Type: drill - Group ID: BRT-DDH022:97-155 - Mining Method: open\_pit #### Location - Location: Buen Retiro - Loc. Source: document #### QA/QC - QA/QC Disclosed: Yes - QA/QC Methods: standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-02-11T00:00:00.000Z Reasoning: High-grade sub-interval of 58m at 3.06% Cu. - Positive factor: Very high grade within the larger intercept Evidence · text > including 58 metres at 3.06% copper from 97 metres depth #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 37.7 **QA/QC Disclosed** Polarity: positive Definition: 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 Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "resource" ## 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.