# CMC Reports on Impressive Metallurgical Tests on Potential Ore for the Gold Processing Mill in Bishop, California by North Bay Resources Inc. Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/cmc-reports-on-impressive-metallurgical-tests-on-potential-ore-for-the-gold-proc--ab6a7ef7-d76b-451d-ba4a-39d3b096e22b Original source: https://money.tmx.com/en/quote/WLR/news/7671671788609208/cmc-reports-on-impressive-metallurgical-tests-on-potential-ore-for-the-gold-proc Publisher: tmx Original announcement: 2024-08-27T13:40:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: CMC Metals Ltd. - Ticker: CMB - Exchange: TSX - Region: California - Primary commodity: Gold - Secondary commodities: Platinum, Silver - Document categories: Metallurgy - Extracted: 2026-08-22 19:09:37 UTC Narrative sentiment: 0.80 · Bullish ## Minestarters Atlas summary CMC Metals reports successful preliminary metallurgical testing on ore from the Mt. Vernon Gold Mine, which is intended for processing at the Bishop Mill in California. The tests, using a gravity recovery circuit, produced high-grade gold, platinum, and silver concentrates, marking the first known discovery of platinum at the site. Reasoning: The announcement reports highly positive preliminary metallurgical results including the first discovery of platinum at the Mt. Vernon Gold Mine, with high-grade gold concentrates. - Positive factor: high-grade concentrate results - Positive factor: first discovery of platinum at site - Positive factor: confirmed viability of gravity recovery circuit - Negative factor: preliminary testing scale - Negative factor: unspecified recovery percentage Facts used in scoring: 6 ## Classification and evidence **Free Milling** Polarity: positive Definition: Simple, clean ore amenable to standard processing without oxidation. Why it applies: The ore is successfully processed using a basic gravity recovery circuit after ball milling. Evidence · text > confirmed the viability of extraction of gold, platinum, and silver using a basic grind and gravity recovery circuit **Bench Scale Only** Polarity: negative Definition: Only preliminary bench tests completed — no locked-cycle or pilot work. Why it applies: The testing is described as preliminary metallurgical/brevity recovery testing. Evidence · text > preliminary metallurgical/brevity recovery testing ## Extracted facts Stored fact records: 6. Some facts used in scoring do not have a stored record. ## Metallurgical Results (6) ### gravity [Link to this fact](https://atlas-staging.minestarters.com/news/cmc-reports-on-impressive-metallurgical-tests-on-potential-ore-for-the-gold-proc--ab6a7ef7-d76b-451d-ba4a-39d3b096e22b#fact-metallurgical-facts-0) gold #### Identity - Commodity: gold - Ticker: CMB #### Test Work - Program Status: preliminary - Test Type: gravity - Processing Route: crushed in a ball mill to minus 60 mesh and run over a gravity recovery table - Sample: Sample I.D C\#1MV #### Recovery - Recovery Basis: unspecified - Head Grade: 11.95 - Head Grade Unit: oz/t #### Lab - Laboratory: Enviro-Chem Analytical Laboratory #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2024-08-27T00:00:00.000Z Reasoning: 11.95 oz/t gold in concentrate is an extremely high-grade result. - Positive factor: exceptionally high grade concentrate Evidence · text > Sample I.D C\#1MV: returned assays of Gold 11.95 oz/t ### gravity [Link to this fact](https://atlas-staging.minestarters.com/news/cmc-reports-on-impressive-metallurgical-tests-on-potential-ore-for-the-gold-proc--ab6a7ef7-d76b-451d-ba4a-39d3b096e22b#fact-metallurgical-facts-1) platinum #### Identity - Commodity: platinum - Ticker: CMB #### Test Work - Program Status: preliminary - Test Type: gravity - Processing Route: crushed in a ball mill to minus 60 mesh and run over a gravity recovery table - Sample: Sample I.D C\#1MV #### Recovery - Recovery Basis: unspecified - Head Grade: 17.54 - Head Grade Unit: oz/t #### Lab - Laboratory: Enviro-Chem Analytical Laboratory #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2024-08-27T00:00:00.000Z Reasoning: High grade platinum in concentrate and represents a new discovery for the mine. - Positive factor: first known discovery of platinum at Mt. Vernon Evidence · text > Platinum 17.54 0z/t ### gravity [Link to this fact](https://atlas-staging.minestarters.com/news/cmc-reports-on-impressive-metallurgical-tests-on-potential-ore-for-the-gold-proc--ab6a7ef7-d76b-451d-ba4a-39d3b096e22b#fact-metallurgical-facts-2) silver #### Identity - Commodity: silver - Ticker: CMB #### Test Work - Program Status: preliminary - Test Type: gravity - Processing Route: crushed in a ball mill to minus 60 mesh and run over a gravity recovery table - Sample: Sample I.D C\#1MV #### Recovery - Recovery Basis: unspecified - Head Grade: 7.79 - Head Grade Unit: oz/t #### Lab - Laboratory: Enviro-Chem Analytical Laboratory #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2024-08-27T00:00:00.000Z Reasoning: Silver is reported as a byproduct in the concentrate. Evidence · text > and Silver 7.79 ### gravity [Link to this fact](https://atlas-staging.minestarters.com/news/cmc-reports-on-impressive-metallurgical-tests-on-potential-ore-for-the-gold-proc--ab6a7ef7-d76b-451d-ba4a-39d3b096e22b#fact-metallurgical-facts-3) gold #### Identity - Commodity: gold - Ticker: CMB #### Test Work - Program Status: preliminary - Test Type: gravity - Processing Route: crushed in a ball mill to minus 60 mesh and run over a gravity recovery table - Sample: Sample I.D C\#2MV #### Recovery - Recovery Basis: unspecified - Head Grade: 11.38 - Head Grade Unit: oz/t #### Lab - Laboratory: Enviro-Chem Analytical Laboratory #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2024-08-27T00:00:00.000Z Reasoning: 11.38 oz/t gold in concentrate is a very strong result. - Positive factor: high-grade concentrate Evidence · text > Sample I.D C\#2MV: returned assays of Gold 11.38 oz/t ### gravity [Link to this fact](https://atlas-staging.minestarters.com/news/cmc-reports-on-impressive-metallurgical-tests-on-potential-ore-for-the-gold-proc--ab6a7ef7-d76b-451d-ba4a-39d3b096e22b#fact-metallurgical-facts-4) platinum #### Identity - Commodity: platinum - Ticker: CMB #### Test Work - Program Status: preliminary - Test Type: gravity - Processing Route: crushed in a ball mill to minus 60 mesh and run over a gravity recovery table - Sample: Sample I.D C\#2MV #### Recovery - Recovery Basis: unspecified - Head Grade: 2.2 - Head Grade Unit: oz/t #### Lab - Laboratory: Enviro-Chem Analytical Laboratory #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2024-08-27T00:00:00.000Z Reasoning: Confirms presence of platinum in the second sample. - Positive factor: platinum discovery Evidence · text > Platinum 2.20 0z/t ### gravity [Link to this fact](https://atlas-staging.minestarters.com/news/cmc-reports-on-impressive-metallurgical-tests-on-potential-ore-for-the-gold-proc--ab6a7ef7-d76b-451d-ba4a-39d3b096e22b#fact-metallurgical-facts-5) silver #### Identity - Commodity: silver - Ticker: CMB #### Test Work - Program Status: preliminary - Test Type: gravity - Processing Route: crushed in a ball mill to minus 60 mesh and run over a gravity recovery table - Sample: Sample I.D C\#2MV #### Recovery - Recovery Basis: unspecified - Head Grade: 5.59 - Head Grade Unit: oz/t #### Lab - Laboratory: Enviro-Chem Analytical Laboratory #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2024-08-27T00:00:00.000Z Reasoning: Silver reported as byproduct. Evidence · text > and Silver 5.59 ## 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.