# NioBay Improves the Concentrate Content by 56% as Compared to Historical Metallurgical Results Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/niobay-improves-the-concentrate-content-by-56-as-compared-to-historical-metallur--36684a38-eb9f-449e-b07c-61d2a218c5f1 Original source: https://money.tmx.com/en/quote/NBY/news/5278079660758995/niobay-improves-the-concentrate-content-by-56-as-compared-to-historical-metallur Publisher: tmx Original announcement: 2025-10-20T21:30:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: NioBay Metals Inc. - Ticker: NBY - Exchange: TSX - Region: Quebec - Primary commodity: Niobium - Secondary commodities: Tantalum - Document categories: Metallurgy - Extracted: 2026-08-21 05:17:42 UTC Narrative sentiment: 0.70 · Bullish ## Minestarters Atlas summary NioBay has successfully completed a pilot-scale metallurgical test at the Crevier Project, demonstrating a 56% improvement in niobium concentrate grade compared to 2012 historical results. The pilot achieved peak niobium recoveries of 84.6% and produced concentrates up to 36% Nb2O5. Reasoning: The pilot plant successfully demonstrated a significant improvement in niobium concentrate grade \(36% vs 20.3% historical\) and achieved high peak recoveries, validating the process flowsheet at scale. - Positive factor: significant improvement in concentrate grade vs historical results - Positive factor: successful pilot scale demonstration - Positive factor: high peak recovery achieved - Positive factor: QP sign-off provided - Negative factor: average recovery \(65%\) is significantly lower than peak recovery \(84.6%\) Facts used in scoring: 3 ## Classification and evidence **Pilot Scale Complete** Polarity: positive Definition: Pilot or demonstration plant testing completed under continuous operation. Why it applies: The company successfully completed a pilot scale demonstration of the concentration process. Evidence · text > Demonstration of the niobium-tantalum concentration process on a pilot scale **QP/CP Signed** Polarity: positive Story-specific tag Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience. Why it applies: The press release was reviewed and approved by a Qualified Person \(P.Geo.\). Evidence · text > This press release has been reviewed and approved by Jean-Sébastien David, P.Geo., a Qualified Person ## Extracted facts Stored fact records: 3. Some facts used in scoring do not have a stored record. ## Metallurgical Results (3) ### pilot plant [Link to this fact](https://atlas-staging.minestarters.com/news/niobay-improves-the-concentrate-content-by-56-as-compared-to-historical-metallur--36684a38-eb9f-449e-b07c-61d2a218c5f1#fact-metallurgical-facts-0) niobium #### Identity - Commodity: niobium - Ticker: NBY #### Test Work - Program Status: detailed - Test Type: pilot plant - Processing Route: niobium-tantalum concentration process - Sample: Crevier Project ore \(pilot scale\) #### Recovery - Recovery: 84.6 % - Recovery Basis: actual\_test - Head Grade: 0.2 - Head Grade Unit: % Nb2O5 #### Lab - Laboratory: SGS #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2025-10-20T00:00:00.000Z Reasoning: Peak recovery of 84.6% is a strong result for a pilot-scale demonstration. - Positive factor: high peak recovery Evidence · text > Recovery reached a peak of 84.6% Nb2O5 ### pilot plant [Link to this fact](https://atlas-staging.minestarters.com/news/niobay-improves-the-concentrate-content-by-56-as-compared-to-historical-metallur--36684a38-eb9f-449e-b07c-61d2a218c5f1#fact-metallurgical-facts-1) niobium #### Identity - Commodity: niobium - Ticker: NBY #### Test Work - Program Status: detailed - Test Type: pilot plant - Processing Route: niobium-tantalum concentration process - Sample: Crevier Project ore \(pilot scale\) #### Recovery - Recovery: 65 % - Recovery Basis: actual\_test - Head Grade: 0.2 - Head Grade Unit: % Nb2O5 #### Lab - Laboratory: SGS #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2025-10-20T00:00:00.000Z Reasoning: The average recovery of 65% is notably lower than the peak recovery reported. - Negative factor: average recovery is lower than peak Evidence · text > The Company can establish an average recovery of 65% during the production of 17 kg of concentrate at 32% Nb2O5 ### pilot plant [Link to this fact](https://atlas-staging.minestarters.com/news/niobay-improves-the-concentrate-content-by-56-as-compared-to-historical-metallur--36684a38-eb9f-449e-b07c-61d2a218c5f1#fact-metallurgical-facts-2) tantalum #### Identity - Commodity: tantalum - Ticker: NBY #### Test Work - Program Status: detailed - Test Type: pilot plant - Processing Route: niobium-tantalum concentration process - Sample: Crevier Project ore \(pilot scale\) #### Recovery - Head Grade: 200 - Head Grade Unit: ppm Ta2O5 #### Lab - Laboratory: SGS #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2025-10-20T00:00:00.000Z Reasoning: Head grade provided for tantalum as part of the pilot feed description. Evidence · text > at a grade of 0.2% Nb2O5 and 200 ppm Ta2O5 ## 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.