# Mirasol Provides Exploration Update on Sobek Copper-Gold Project in the Vicu&\#xF1;a District, Chile Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/mirasol-provides-exploration-update-on-sobek-copper-gold-project-in-the-vicu-xf1--40a125ef-6155-4bb2-a639-ce3f7c7efb2b Original source: https://money.tmx.com/en/quote/MRZ/news/5258257877134555/mirasol-provides-exploration-update-on-sobek-copper-gold-project-in-the-vicu-xf1 Publisher: tmx Original announcement: 2026-04-23T11:00:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: Mirasol Resources Ltd. - Ticker: MRZ - Exchange: TSX - Region: Vicuña District, Chile - Primary commodity: Copper - Secondary commodities: Gold, Silver, Molybdenum, Zinc, Lead - Document categories: Drill results - Extracted: 2026-09-18 10:54:12 UTC Narrative sentiment: -0.20 · Bearish ## Minestarters Atlas summary Mirasol Resources completed exploration at the 46 South target of the Sobek project, reporting one drill hole \(DDH-001\) with modest geochemical intercepts. While the drilling confirmed a structurally controlled hydrothermal system with breccia zones, no significant copper mineralization was found above a 0.10% Cu cut-off. Reasoning: The drill results confirm the geological model of a structurally controlled system but failed to return significant copper grades, leading to a pivot in targeting. - Positive factor: Confirmed structurally controlled hydrothermal system - Positive factor: Intersection of multiple hydrothermal breccia zones - Positive factor: Proximity to Filo del Sol and Lunahuasi - Negative factor: Assay results described as modest - Negative factor: No significant copper intercepts above 0.10% Cu cut-off - Negative factor: Mineralization not strengthening with depth Facts used in scoring: 6 ## Classification and evidence **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: Release includes details on standards, blanks, duplicates, and independent lab \(ALS\). Evidence · text > Geochemical assays are obtained and reported under a quality assurance and quality control \(QA/QC\) program with insertions of controls \(standards, blanks and duplicates\) submitted to the laboratory. **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: Project is located 7 km west of the Filo del Sol discovery. Evidence · text > located just 7 km west of Filo del Sol in the Vicuña District **Deleterious Elements Present** Polarity: negative Definition: A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent. Why it applies: Presence of arsenic and antimony noted in the hydrothermal signature. Evidence · text > particularly arsenic-antimony-lead-zinc-silver ## Extracted facts Stored fact records: 6. Some facts used in scoring do not have a stored record. ## Drill Results (6) ### S46-DDH-001 [Link to this fact](https://atlas-extractions.minestarters.com/news/mirasol-provides-exploration-update-on-sobek-copper-gold-project-in-the-vicu-xf1--40a125ef-6155-4bb2-a639-ce3f7c7efb2b#fact-drill-facts-0) Sobek · copper #### Identity - Hole ID: S46-DDH-001 - Project: Sobek - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MRZ #### Geometry - Grade: 158 - Grade Unit: ppm - Intercept: 15.82 m - From: 147.18 m - To: 163 m - Intercept Depth: 147.18 m #### Classification - Sample Type: drill - Group ID: S46-DDH-001:147.18-163 #### QA/QC - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-23T00:00:00.000Z Reasoning: Grade is very low \(0.158% Cu\) and below the stated 0.10% cut-off for significance in this context. - Negative factor: Below economic threshold Evidence · text > 15.82 m from 147.18 m to 163.00 m averaging 158 ppm copper #### Tags used in scoring **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 ### S46-DDH-001 [Link to this fact](https://atlas-extractions.minestarters.com/news/mirasol-provides-exploration-update-on-sobek-copper-gold-project-in-the-vicu-xf1--40a125ef-6155-4bb2-a639-ce3f7c7efb2b#fact-drill-facts-1) Sobek · gold #### Identity - Hole ID: S46-DDH-001 - Project: Sobek - Commodity: gold - Region: chile - Reported Region: chile - Ticker: MRZ #### Geometry - Grade: 0.03 - Grade Unit: g/t - Intercept: 15.82 m - From: 147.18 m - To: 163 m - Intercept Depth: 147.18 m #### Classification - Sample Type: drill - Group ID: S46-DDH-001:147.18-163 #### QA/QC - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-23T00:00:00.000Z Reasoning: Grade is negligible. - Negative factor: Extremely low grade Evidence · text > 0.03 g/t gold #### Tags used in scoring **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 ### S46-DDH-001 [Link to this fact](https://atlas-extractions.minestarters.com/news/mirasol-provides-exploration-update-on-sobek-copper-gold-project-in-the-vicu-xf1--40a125ef-6155-4bb2-a639-ce3f7c7efb2b#fact-drill-facts-2) Sobek · silver #### Identity - Hole ID: S46-DDH-001 - Project: Sobek - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MRZ #### Geometry - Grade: 1.57 - Grade Unit: g/t - Intercept: 15.82 m - From: 147.18 m - To: 163 m - Intercept Depth: 147.18 m #### Classification - Sample Type: drill - Group ID: S46-DDH-001:147.18-163 #### QA/QC - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-23T00:00:00.000Z Reasoning: Low grade silver. Evidence · text > 1.57 g/t silver #### Tags used in scoring **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 ### S46-DDH-001 [Link to this fact](https://atlas-extractions.minestarters.com/news/mirasol-provides-exploration-update-on-sobek-copper-gold-project-in-the-vicu-xf1--40a125ef-6155-4bb2-a639-ce3f7c7efb2b#fact-drill-facts-3) Sobek · copper #### Identity - Hole ID: S46-DDH-001 - Project: Sobek - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MRZ #### Geometry - Grade: 252 - Grade Unit: ppm - Intercept: 4.72 m - From: 147.18 m - To: 151.9 m - Intercept Depth: 147.18 m #### Classification - Sample Type: drill - Group ID: S46-DDH-001:147.18-151.9 #### QA/QC - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-23T00:00:00.000Z Reasoning: Higher grade than the main interval but still only 0.25% Cu. - Negative factor: Narrow interval Evidence · text > 4.72 m from 147.18 m to 151.90 m averaging 252 ppm copper #### Tags used in scoring **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 ### S46-DDH-001 [Link to this fact](https://atlas-extractions.minestarters.com/news/mirasol-provides-exploration-update-on-sobek-copper-gold-project-in-the-vicu-xf1--40a125ef-6155-4bb2-a639-ce3f7c7efb2b#fact-drill-facts-4) Sobek · copper #### Identity - Hole ID: S46-DDH-001 - Project: Sobek - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MRZ #### Geometry - Grade: 112 - Grade Unit: ppm - Intercept: 21.3 m - From: 204 m - To: 225.3 m - Intercept Depth: 204 m #### Classification - Sample Type: drill - Group ID: S46-DDH-001:204-225.3 #### QA/QC - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-23T00:00:00.000Z Reasoning: Wide interval but grade is only 0.11% Cu. - Positive factor: Good width - Negative factor: Low grade Evidence · text > 21.3 m from 204.0 m to 225.3 m averaging 112 ppm copper #### Tags used in scoring **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 ### S46-DDH-001 [Link to this fact](https://atlas-extractions.minestarters.com/news/mirasol-provides-exploration-update-on-sobek-copper-gold-project-in-the-vicu-xf1--40a125ef-6155-4bb2-a639-ce3f7c7efb2b#fact-drill-facts-5) Sobek · copper #### Identity - Hole ID: S46-DDH-001 - Project: Sobek - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MRZ #### Geometry - Grade: 720 - Grade Unit: ppm - Intercept: 7.2 m - From: 566.75 m - To: 573.95 m - Intercept Depth: 566.75 m #### Classification - Sample Type: drill - Group ID: S46-DDH-001:566.75-573.95 #### QA/QC - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-23T00:00:00.000Z Reasoning: Best grade in the hole \(0.72% Cu\) but still relatively narrow. - Positive factor: Highest grade intercept - Negative factor: Narrow width Evidence · text > 7.20 m from 566.75 m to 573.95 m averaging 720 ppm copper #### Tags used in scoring **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 ## 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.