# NVRO levels up tailings processing tech Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/nvro-levels-up-tailings-processing-tech--918745f9-5157-4cbd-b293-2feff7e96643 Original source: https://www.miningnewsnorth.com/story/2026/09/04/news/nvro-levels-up-tailings-processing-tech/9843.html Publisher: miningnewsnorth Original announcement: 2026-09-04T00:00:00.000Z Analysis by Minestarters Atlas Atlas analysis published: 2026-09-18T17:19:25.056Z Atlas analysis updated: 2026-09-18T17:19:25.056Z - Company: NVRO Metals Ltd. - Ticker: Unavailable - Exchange: Unavailable - Region: Western Australia - Primary commodity: Silver - Secondary commodities: Gold, Zinc, Lead, Copper, Nickel - Document categories: Metallurgy, Agreement transaction - Extracted: 2026-09-18 17:19:25 UTC Narrative sentiment: 0.80 · Bullish ## Minestarters Atlas summary NVRO Metals has completed a 202-hour continuous demonstration campaign processing Greens Creek tailings in Western Australia, achieving significant silver and gold upgrades in the leach residue. The successful run advances their proprietary technology to TRL 7 and supports a planned industrial-scale trial with Hecla Mining Company. Reasoning: The continuous processing campaign successfully demonstrated significant metal upgrading and sulfide oxidation, advancing the technology toward commercial scale. - Positive factor: Successful 202-hour continuous demonstration campaign - Positive factor: Significant grade upgrade for silver and gold in residue - Positive factor: High sulfide oxidation \(97%\) achieved - Positive factor: Advancement to TRL 7 status - Positive factor: Strategic partnership with Hecla Mining Company - Negative factor: Results are preliminary and pending independent laboratory reconciliation Facts used in scoring: 2 ## Classification and evidence **High Recovery** Polarity: positive Definition: Recovery at or above the exceptional band for the commodity and processing route. Why it applies: Bench-scale testing demonstrated 98.1% silver and 99.5% gold recovery. Evidence · text > the process recovered 98.1% of the silver and 99.5% of the gold **Mill Route** Polarity: neutral Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\). Why it applies: The process involves oxidation and leaching in a demonstration plant. Evidence · text > integrated NVRO Process using customer feedstock **Single Domain Only** Polarity: negative Definition: Testing limited to one composite or domain — representativeness not established. Why it applies: only one composite was tested ## Extracted facts Stored fact records: 2. Some facts used in scoring do not have a stored record. ## Metallurgical Results (2) ### continuous processing [Link to this fact](https://atlas-staging.minestarters.com/news/nvro-levels-up-tailings-processing-tech--918745f9-5157-4cbd-b293-2feff7e96643#fact-metallurgical-facts-0) Greens Creek · silver #### Identity - Project: Greens Creek - Commodity: silver - Region: usa\_ak - Reported Region: Alaska #### Test Work - Program Status: detailed - Test Type: continuous processing - Processing Route: integrated NVRO Process \(oxidation and leaching\) - Sample: Greens Creek tailings leach residue \(demonstration campaign\) #### Recovery - Recovery: 98.1 % - Recovery Basis: actual\_test - Head Grade: 169 - Head Grade Unit: g/t - Conc. Grade: 1795 - Conc. Grade Unit: g/t #### Lab - Laboratory: Nagrom #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-04T00:00:00.000Z Reasoning: Significant concentration of silver in the residue compared to feed. - Positive factor: 10.6-fold upgrade from feed grade - Positive factor: High recovery reported in bench-scale testing - Negative factor: Preliminary results pending independent lab reconciliation #### Tags used in scoring **High Recovery** Polarity: positive Definition: Recovery at or above the exceptional band for the commodity and processing route. Why it applies: 98.1% is at or above the exceptional band \(90%\) ### continuous processing [Link to this fact](https://atlas-staging.minestarters.com/news/nvro-levels-up-tailings-processing-tech--918745f9-5157-4cbd-b293-2feff7e96643#fact-metallurgical-facts-1) Greens Creek · gold #### Identity - Project: Greens Creek - Commodity: gold - Region: usa\_ak - Reported Region: Alaska #### Test Work - Program Status: detailed - Test Type: continuous processing - Processing Route: integrated NVRO Process \(oxidation and leaching\) - Sample: Greens Creek tailings leach residue \(demonstration campaign\) #### Recovery - Recovery: 99.5 % - Recovery Basis: actual\_test - Head Grade: 1.51 - Head Grade Unit: g/t - Conc. Grade: 16.3 - Conc. Grade Unit: g/t #### Lab - Laboratory: Nagrom #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-04T00:00:00.000Z Reasoning: Significant concentration of gold in the residue compared to feed. - Positive factor: 10.8-fold upgrade from feed grade - Positive factor: Near-complete gold recovery in bench-scale testing - Negative factor: Preliminary results pending independent lab reconciliation #### Tags used in scoring **High Recovery** Polarity: positive Definition: Recovery at or above the exceptional band for the commodity and processing route. Why it applies: 99.5% is at or above the exceptional band \(95%\) ## 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.