# Arizona Sonoran Advances FS Drill Program and Updated Mineral Resource Modelling, Including Definition of a "Measured" Zone in the Parks/Salyer Starter Pit Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/arizona-sonoran-advances-fs-drill-program-and-updated-mineral-resource-modelling--f37c79e9-8c97-4885-a6c6-77ffba644aa2 Original source: https://money.tmx.com/en/quote/ASCU/news/6432384543749226/arizona-sonoran-advances-fs-drill-program-and-updated-mineral-resource-modelling Publisher: tmx Original announcement: 2026-02-11T11:30:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: Arizona Sonoran Copper Company Inc. - Ticker: ASCU - Exchange: TSX - Region: Arizona - Primary commodity: Copper - Secondary commodities: None reported - Document categories: Drill results, Resource update - Extracted: 2026-08-24 22:54:54 UTC Narrative sentiment: 0.60 · Bullish ## Minestarters Atlas summary Arizona Sonoran Copper Company has advanced its Mineral Resource modeling at the Parks/Salyer deposit, driven by infill drilling for the upcoming Feasibility Study. The company reported several high-grade copper intercepts in the starter pit and expects the drilling to upgrade resources to the Measured category. Reasoning: The announcement reports significant drill intercepts and progress in resource modeling aimed at defining Measured resources and Proven reserves for the Feasibility Study. - Positive factor: High-grade intercepts in starter pit - Positive factor: Resource conversion towards Measured category - Positive factor: QA/QC protocols disclosed - Positive factor: QP sign-off provided Facts used in scoring: 5 ## 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 mentions use of blanks, standards, and duplicates and a certified lab \(Skyline Laboratories\). Evidence · text > implemented a full QA/QC program using blanks, standards, and duplicates to monitor analytical accuracy and precision. **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: The program is described as a Feasibility Study infill drilling program. Evidence · text > reflecting partial results from the completed first phase of the planned Feasibility Study infill drilling program ## Extracted facts Stored fact records: 5. Some facts used in scoring do not have a stored record. ## Drill Results (5) ### ECM-480 [Link to this fact](https://atlas-staging.minestarters.com/news/arizona-sonoran-advances-fs-drill-program-and-updated-mineral-resource-modelling--f37c79e9-8c97-4885-a6c6-77ffba644aa2#fact-drill-facts-0) Parks/Salyer · copper #### Identity - Hole ID: ECM-480 - Project: Parks/Salyer - Commodity: copper - Ticker: ASCU #### Geometry - Grade: 0.55 - Grade Unit: % CuT - Intercept: 147 m - From: 70 m - To: 217 m #### Classification - Sample Type: drill - Group ID: ECM-480:70-217 - Mining Method: open\_pit #### QA/QC - Laboratory: Skyline Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: blanks, standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-02-11T00:00:00.000Z Reasoning: 0.55% CuT over 147m is a solid intercept for a porphyry starter pit. - Positive factor: Consistent with starter pit expectations Evidence · text > ECM-480 – 0.55% CuT over 483 ft \(147 m\) from 231 ft \(70 m\) depth \(enriched\) ### ECM-477 [Link to this fact](https://atlas-staging.minestarters.com/news/arizona-sonoran-advances-fs-drill-program-and-updated-mineral-resource-modelling--f37c79e9-8c97-4885-a6c6-77ffba644aa2#fact-drill-facts-1) Parks/Salyer · copper #### Identity - Hole ID: ECM-477 - Project: Parks/Salyer - Commodity: copper - Ticker: ASCU #### Geometry - Grade: 1.72 - Grade Unit: % CuT - Intercept: 28 m - From: 109 m - To: 137 m #### Classification - Sample Type: drill - Group ID: ECM-477:109-137 - Mining Method: open\_pit #### QA/QC - Laboratory: Skyline Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: blanks, standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-02-11T00:00:00.000Z Reasoning: 1.72% CuT is a very strong intercept for this deposit type. - Positive factor: Strong grade intercept Evidence · text > ECM-477 – 1.72% CuT over 93 ft \(28 m\) from 267 ft \(109 m\) depth \(enriched\) ### ECM-413 [Link to this fact](https://atlas-staging.minestarters.com/news/arizona-sonoran-advances-fs-drill-program-and-updated-mineral-resource-modelling--f37c79e9-8c97-4885-a6c6-77ffba644aa2#fact-drill-facts-2) Parks/Salyer · copper #### Identity - Hole ID: ECM-413 - Project: Parks/Salyer - Commodity: copper - Ticker: ASCU #### Geometry - Grade: 0.49 - Grade Unit: % CuT - Intercept: 82 m - From: 247 m - To: 329 m #### Classification - Sample Type: drill - Group ID: ECM-413:247-329 - Mining Method: open\_pit #### QA/QC - Laboratory: Skyline Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: blanks, standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-02-11T00:00:00.000Z Reasoning: 0.49% CuT over 82m is a moderate, consistent intercept. - Positive factor: Significant width Evidence · text > ECM-413 – 0.49% CuT over 269 ft \(82 m\) from 810 ft \(247 m\) depth \(enriched\) ### ECM-416 [Link to this fact](https://atlas-staging.minestarters.com/news/arizona-sonoran-advances-fs-drill-program-and-updated-mineral-resource-modelling--f37c79e9-8c97-4885-a6c6-77ffba644aa2#fact-drill-facts-3) Parks/Salyer · copper #### Identity - Hole ID: ECM-416 - Project: Parks/Salyer - Commodity: copper - Ticker: ASCU #### Geometry - Grade: 0.77 - Grade Unit: % CuT - Intercept: 56 m - From: 191 m - To: 247 m #### Classification - Sample Type: drill - Group ID: ECM-416:191-247 - Mining Method: open\_pit #### QA/QC - Laboratory: Skyline Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: blanks, standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-02-11T00:00:00.000Z Reasoning: 0.77% CuT over 56m is a strong intercept. - Positive factor: Strong grade for porphyry Evidence · text > ECM-416 – 0.77% CuT over 185 ft \(56 m\) from 628 ft \(191 m\) depth \(enriched\) ### ECM-424 [Link to this fact](https://atlas-staging.minestarters.com/news/arizona-sonoran-advances-fs-drill-program-and-updated-mineral-resource-modelling--f37c79e9-8c97-4885-a6c6-77ffba644aa2#fact-drill-facts-4) Parks/Salyer · copper #### Identity - Hole ID: ECM-424 - Project: Parks/Salyer - Commodity: copper - Ticker: ASCU #### Geometry - Grade: 0.33 - Grade Unit: % CuT - Intercept: 124 m - From: 171 m - To: 295 m #### Classification - Sample Type: drill - Group ID: ECM-424:171-295 - Mining Method: open\_pit #### QA/QC - Laboratory: Skyline Laboratories - QA/QC Disclosed: Yes - Lab Certified: Yes - QP Signed: Yes - QA/QC Methods: blanks, standards, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-02-11T00:00:00.000Z Reasoning: 0.33% CuT over 124m is a moderate, wide intercept. - Positive factor: Large width Evidence · text > ECM-424 – 0.33% CuT over 406 ft \(124 m\) from 559 ft \(171 m\) depth \(enriched\) ## 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.