# Pinnacle Provides Project Update for El Potrero as it Advances Towards a Production Decision Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/pinnacle-provides-project-update-for-el-potrero-as-it-advances-towards-a-product--2a03c3a7-e9cb-46d7-8a8b-275d372dea5c Original source: https://money.tmx.com/en/quote/PINN/news/7513463406331790/pinnacle-provides-project-update-for-el-potrero-as-it-advances-towards-a-product Publisher: tmx Original announcement: 2026-02-26T13:30:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: Pinnacle Silver and Gold Corp. - Ticker: PINN - Exchange: TSX - Region: Durango, Mexico - Primary commodity: Gold - Secondary commodities: Silver - Document categories: Metallurgy, Permitting, Other - Extracted: 2026-08-21 01:48:39 UTC Narrative sentiment: 0.60 · Bullish ## Minestarters Atlas summary Pinnacle Silver and Gold Corp. provided an update on the El Potrero Project in Mexico, highlighting high preliminary gold recoveries of 95.1% and encouraging head assays. The company is advancing underground rehabilitation, submitting environmental permits, and conducting second-round metallurgical testing to support a production decision by year-end. Reasoning: The company is advancing multiple workstreams \(metallurgy, permitting, community, and drilling\) towards a production decision, supported by high preliminary gold recoveries. - Positive factor: High gold recovery reported from preliminary testing - Positive factor: Encouraging head assays for main zone and individual veins - Positive factor: Progress on permitting and community agreements - Positive factor: Transitioning to underground delineation drilling - Negative factor: Requirement for powerline feasibility study and environmental permits Facts used in scoring: 7 ## Classification and evidence **QA/QC Disclosed** Polarity: positive Story-specific tag Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: The release mentions high-definition mineralogical examination using TIMA at an SGS facility and is signed off by two Qualified Persons. Evidence · text > Mr. Jorge Ortega, P. Geo, a Qualified Person... has reviewed, verified, and approved for disclosure **Mill Route** Polarity: neutral Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\). Why it applies: The company is optimizing a flowsheet involving gravity separation and leach tests. Evidence · text > more extensive gravity separation and optimization of leach tests ## Extracted facts Stored fact records: 7. Some facts used in scoring do not have a stored record. ## Metallurgical Results (7) ### Fact 1 [Link to this fact](https://atlas-staging.minestarters.com/news/pinnacle-provides-project-update-for-el-potrero-as-it-advances-towards-a-product--2a03c3a7-e9cb-46d7-8a8b-275d372dea5c#fact-metallurgical-facts-0) gold #### Identity - Commodity: gold - Ticker: PINN #### Test Work - Sample: first round of preliminary high level scoping testing #### Recovery - Recovery: 95.1 % - Recovery Basis: unspecified #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-02-26T00:00:00.000Z Reasoning: 95.1% gold recovery is considered excellent for preliminary scoping tests. - Positive factor: High recovery rate Evidence · text > achieved 95.1% gold recoveries ### Fact 2 [Link to this fact](https://atlas-staging.minestarters.com/news/pinnacle-provides-project-update-for-el-potrero-as-it-advances-towards-a-product--2a03c3a7-e9cb-46d7-8a8b-275d372dea5c#fact-metallurgical-facts-1) gold #### Identity - Commodity: gold - Ticker: PINN #### Test Work - Sample: five-sample main zone composite #### Recovery - Head Grade: 7.7 - Head Grade Unit: g/t #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-02-26T00:00:00.000Z Reasoning: 7.7 g/t Au is a strong head grade for an epithermal system. - Positive factor: Robust head grade Evidence · text > five-sample main zone composite returned 7.7 g/t Au ### Fact 3 [Link to this fact](https://atlas-staging.minestarters.com/news/pinnacle-provides-project-update-for-el-potrero-as-it-advances-towards-a-product--2a03c3a7-e9cb-46d7-8a8b-275d372dea5c#fact-metallurgical-facts-2) silver #### Identity - Commodity: silver - Ticker: PINN #### Test Work - Sample: five-sample main zone composite #### Recovery - Head Grade: 116 - Head Grade Unit: g/t #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-02-26T00:00:00.000Z Reasoning: Significant silver credits reported alongside gold. Evidence · text > and 116 g/t Ag ### Fact 4 [Link to this fact](https://atlas-staging.minestarters.com/news/pinnacle-provides-project-update-for-el-potrero-as-it-advances-towards-a-product--2a03c3a7-e9cb-46d7-8a8b-275d372dea5c#fact-metallurgical-facts-3) gold #### Identity - Commodity: gold - Ticker: PINN #### Test Work - Sample: Estrella sample #### Recovery - Head Grade: 6.6 - Head Grade Unit: g/t #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-02-26T00:00:00.000Z Reasoning: Strong gold grade for an individual vein sample. Evidence · text > Estrella sample returned 6.6 g/t Au ### Fact 5 [Link to this fact](https://atlas-staging.minestarters.com/news/pinnacle-provides-project-update-for-el-potrero-as-it-advances-towards-a-product--2a03c3a7-e9cb-46d7-8a8b-275d372dea5c#fact-metallurgical-facts-4) silver #### Identity - Commodity: silver - Ticker: PINN #### Test Work - Sample: Estrella sample #### Recovery - Head Grade: 169 - Head Grade Unit: g/t #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-02-26T00:00:00.000Z Reasoning: High silver grade reported for the Estrella vein. Evidence · text > and 169 g/t Ag ### Fact 6 [Link to this fact](https://atlas-staging.minestarters.com/news/pinnacle-provides-project-update-for-el-potrero-as-it-advances-towards-a-product--2a03c3a7-e9cb-46d7-8a8b-275d372dea5c#fact-metallurgical-facts-5) gold #### Identity - Commodity: gold - Ticker: PINN #### Test Work - Sample: Capulin sample #### Recovery - Head Grade: 4.5 - Head Grade Unit: g/t #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-02-26T00:00:00.000Z Reasoning: Respectable gold grade for the Capulin vein. Evidence · text > Capulin sample returned 4.5 g/t Au ### Fact 7 [Link to this fact](https://atlas-staging.minestarters.com/news/pinnacle-provides-project-update-for-el-potrero-as-it-advances-towards-a-product--2a03c3a7-e9cb-46d7-8a8b-275d372dea5c#fact-metallurgical-facts-6) silver #### Identity - Commodity: silver - Ticker: PINN #### Test Work - Sample: Capulin sample #### Recovery - Head Grade: 91 - Head Grade Unit: g/t #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-02-26T00:00:00.000Z Reasoning: Silver credits present in the Capulin vein. Evidence · text > and 91 g/t Ag ## 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.