NioBay Announces the Completion and Success of Metallurgical Work on the Crevier Project
Original announcement by tmx on
- Company
- NioBay Metals Inc.
- Ticker
- NBY
- Exchange
- TSX
- Region
- Québec
- Primary commodity
- Niobium
- Secondary commodities
- Tantalum, Zirconium
- Document categories
- Metallurgy
- Extracted
- 2026-08-21 00:20:06 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
NioBay has completed successful pilot-scale metallurgical and hydrometallurgical testing at the Crevier Project. The work demonstrated high extraction rates for niobium (92.3%) and tantalum (95.8%), with potential for zirconium valorization from leach residues.
Reasoning: Successful pilot-scale metallurgical testing demonstrating high recoveries for both niobium and tantalum, plus potential zirconium byproduct value.
Positive factors
- Pilot-scale success
- High extraction efficiency
- By-product valorization potential
Facts used in scoring: 5

Classification and evidence
Pilot Scale Completepositive
Pilot or demonstration plant testing completed under continuous operation.
Why it applies: The work is described as a 'Demonstration of the Pilot-Scale Niobium-Tantalum Concentration Process'.
Evidence · text
“Demonstration of the Pilot-Scale Niobium-Tantalum Concentration Process”
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: The work involved gravimetric separation, magnetic separation, and flotation tests.
Evidence · text
“gravimetric separation, magnetic separation, flotation tests”
Extracted facts
Stored fact records: 5. Some facts used in scoring do not have a stored record.
Metallurgical Results (5)
Fact 1niobiumRecovery: 70 %View all detailsHide details
Identity
- Commodity
- niobium
- Ticker
- NBY
Test Work
- Sample
- Pilot-scale concentration process (Nb2O5)
Recovery
- Recovery
- 70 %
- Recovery Basis
- actual_test
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-08T00:00:00.000Z
Reasoning: 70% recovery achieved during pilot-scale concentration stage.
Positive factors
- Targeted grades achieved
Evidence · text
“demonstrates a 70% recovery of Nb2O5”
Fact 2niobiumRecovery: 92.3 %View all detailsHide details
Identity
- Commodity
- niobium
- Ticker
- NBY
Test Work
- Sample
- Hydrometallurgical extraction (conventional process)
Recovery
- Recovery
- 92.3 %
- Recovery Basis
- actual_test
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-08T00:00:00.000Z
Reasoning: Strong extraction rate for niobium via conventional hydrometallurgical process.
Positive factors
- High extraction efficiency
Evidence · text
“overall extraction rates (conventional process) averaging 92.3% for niobium”
Fact 3tantalumRecovery: 95.8 %View all detailsHide details
Identity
- Commodity
- tantalum
- Ticker
- NBY
Test Work
- Sample
- Hydrometallurgical extraction (conventional process)
Recovery
- Recovery
- 95.8 %
- Recovery Basis
- actual_test
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-08T00:00:00.000Z
Reasoning: Very high extraction rate for tantalum via conventional hydrometallurgical process.
Positive factors
- High extraction efficiency
Evidence · text
“95.8% for tantalum”
Fact 4niobiumRecovery: 86.4 %View all detailsHide details
Identity
- Commodity
- niobium
- Ticker
- NBY
Test Work
- Sample
- Alkaline fusion and water leaching (low-grade concentrate)
Recovery
- Recovery
- 86.4 %
- Recovery Basis
- actual_test
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-08T00:00:00.000Z
Reasoning: High yield achieved using a fluoride-free alkaline process on low-grade concentrate.
Positive factors
- High extraction yield
Evidence · text
“achieved high extraction yields - 86.4% for niobium”
Fact 5tantalumRecovery: 91.4 %View all detailsHide details
Identity
- Commodity
- tantalum
- Ticker
- NBY
Test Work
- Sample
- Alkaline fusion and water leaching (low-grade concentrate)
Recovery
- Recovery
- 91.4 %
- Recovery Basis
- actual_test
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-08T00:00:00.000Z
Reasoning: High yield achieved using a fluoride-free alkaline process on low-grade concentrate.
Positive factors
- High extraction yield
Evidence · text
“91.4% for tantalum”
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.