# NioBay Announces the Completion and Success of Metallurgical Work on the Crevier Project

Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/niobay-announces-the-completion-and-success-of-metallurgical-work-on-the-crevier--018ee04e-1d62-42aa-8ffb-01443c4710a7

Original source: https://money.tmx.com/en/quote/NBY/news/5578770114439215/niobay-announces-the-completion-and-success-of-metallurgical-work-on-the-crevier

Publisher: tmx

Original announcement: 2026-04-08T14:15:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: NioBay Metals Inc.

- Ticker: NBY

- Exchange: TSX

- Region: Québec

- Primary commodity: Niobium

- Secondary commodities: Tantalum, Zirconium

- Document categories: Metallurgy

- Extracted: 2026-09-12 14:59:37 UTC

Narrative sentiment: 0.80 · Bullish

## Minestarters Atlas 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 significant potential for zirconium by-product valorization.

Reasoning: Successful pilot-scale metallurgical testing demonstrating high recoveries and extraction efficiencies for the primary metals and a valuable byproduct.

- Positive factor: High extraction efficiency for both niobium and tantalum

- Positive factor: Successful pilot-scale demonstration

- Positive factor: By-product valorization potential with zirconium

- Positive factor: High final product purity

Facts used in scoring: 5

## Classification and evidence

**High Recovery**

Polarity: positive

Definition: Recovery at or above the exceptional band for the commodity and processing route.

Why it applies: Niobium and tantalum extraction rates of 92.3% and 95.8% are exceptional for the reported processes.

Evidence · text

> overall extraction rates \(conventional process\) averaging 92.3% for niobium and 95.8% for tantalum

**Pilot Scale Complete**

Polarity: positive

Definition: Pilot or demonstration plant testing completed under continuous operation.

Why it applies: The release explicitly states the completion of pilot-scale niobium-tantalum concentration process demonstration.

Evidence · text

> Demonstration of the Pilot ‑ Scale Niobium ‑ Tantalum Concentration Process

**Mill Route**

Polarity: neutral

Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\).

Why it applies: the document describes a flotation route \("flotation"\)

**Multi-Domain Tested**

Polarity: positive

Definition: Variability across ore domains \(oxide, transition, fresh\) has been addressed.

Why it applies: 3 distinct composites were tested

## Extracted facts

Stored fact records: 5. Some facts used in scoring do not have a stored record.

## Metallurgical Results (5)

### flotation

[Link to this fact](https://atlas-extractions.minestarters.com/news/niobay-announces-the-completion-and-success-of-metallurgical-work-on-the-crevier--018ee04e-1d62-42aa-8ffb-01443c4710a7#fact-metallurgical-facts-0)

Crevier Project · niobium

#### Identity

- Project: Crevier Project
- Commodity: niobium
- Region: canada\_qc
- Reported Region: Québec
- Ticker: NBY

#### Test Work

- Program Status: detailed
- Test Type: flotation
- Processing Route: Pilot-Scale Niobium Magnetic separation and Flotation
- Sample: Pilot-scale niobium magnetic separation and flotation tests on a 10 metric tonne bulk sample

#### Recovery

- Recovery: 70 %
- Head Grade: 17
- Head Grade Unit: % Nb₂O₅

#### Lab

- Laboratory: SGS Canada Inc.

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: 70% recovery of Nb2O5 achieved at targeted grades during pilot-scale testing.

- Positive factor: Achieved targeted grades

Evidence · text

> demonstrates a 70% recovery of Nb₂O₅, achieving the targeted grades ranging from 17% Nb₂O₅ to 36% Nb₂O₅

#### Tags used in scoring

**Mill Route**

Polarity: neutral

Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\).

Why it applies: processing\_route matches the flotation signal

**Pilot Scale Complete**

Polarity: positive

Definition: Pilot or demonstration plant testing completed under continuous operation.

Why it applies: test\_type names pilot-scale work

### leaching

[Link to this fact](https://atlas-extractions.minestarters.com/news/niobay-announces-the-completion-and-success-of-metallurgical-work-on-the-crevier--018ee04e-1d62-42aa-8ffb-01443c4710a7#fact-metallurgical-facts-1)

Crevier Project · niobium

#### Identity

- Project: Crevier Project
- Commodity: niobium
- Region: canada\_qc
- Reported Region: Québec
- Ticker: NBY

#### Test Work

- Program Status: detailed
- Test Type: leaching
- Processing Route: conventional process
- Sample: Hydrometallurgical extraction \(conventional process\)

#### Recovery

- Recovery: 92.3 %

#### Lab

- Laboratory: SGS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: Strong extraction rate of 92.3% for niobium via conventional hydrometallurgical process.

- Positive factor: High extraction efficiency

Evidence · text

> overall extraction rates \(conventional process\) averaging 92.3% for niobium

### leaching

[Link to this fact](https://atlas-extractions.minestarters.com/news/niobay-announces-the-completion-and-success-of-metallurgical-work-on-the-crevier--018ee04e-1d62-42aa-8ffb-01443c4710a7#fact-metallurgical-facts-2)

Crevier Project · tantalum

#### Identity

- Project: Crevier Project
- Commodity: tantalum
- Region: canada\_qc
- Reported Region: Québec
- Ticker: NBY

#### Test Work

- Program Status: detailed
- Test Type: leaching
- Processing Route: conventional process
- Sample: Hydrometallurgical extraction \(conventional process\)

#### Recovery

- Recovery: 95.8 %

#### Lab

- Laboratory: SGS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: Strong extraction rate of 95.8% for tantalum via conventional hydrometallurgical process.

- Positive factor: High extraction efficiency

Evidence · text

> overall extraction rates \(conventional process\) averaging ... 95.8% for tantalum

### leaching

[Link to this fact](https://atlas-extractions.minestarters.com/news/niobay-announces-the-completion-and-success-of-metallurgical-work-on-the-crevier--018ee04e-1d62-42aa-8ffb-01443c4710a7#fact-metallurgical-facts-3)

Crevier Project · niobium

#### Identity

- Project: Crevier Project
- Commodity: niobium
- Region: canada\_qc
- Reported Region: Québec
- Ticker: NBY

#### Test Work

- Program Status: detailed
- Test Type: leaching
- Processing Route: alkaline fusion and water leaching
- Sample: Alkaline fusion and water leaching on low-grade concentrate

#### Recovery

- Recovery: 86.4 %
- Head Grade: 13
- Head Grade Unit: % Nb₂O₅

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: High extraction yield of 86.4% achieved using alkaline fusion and water leaching on a 13% Nb2O5 concentrate.

- Positive factor: High extraction yield from low-grade concentrate

Evidence · text

> achieved high extraction yields - 86.4% for niobium

### leaching

[Link to this fact](https://atlas-extractions.minestarters.com/news/niobay-announces-the-completion-and-success-of-metallurgical-work-on-the-crevier--018ee04e-1d62-42aa-8ffb-01443c4710a7#fact-metallurgical-facts-4)

Crevier Project · tantalum

#### Identity

- Project: Crevier Project
- Commodity: tantalum
- Region: canada\_qc
- Reported Region: Québec
- Ticker: NBY

#### Test Work

- Program Status: detailed
- Test Type: leaching
- Processing Route: alkaline fusion and water leaching
- Sample: Alkaline fusion and water leaching on low-grade concentrate

#### Recovery

- Recovery: 91.4 %
- Head Grade: 13
- Head Grade Unit: % Nb₂O₅

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-04-08T00:00:00.000Z

Reasoning: High extraction yield of 91.4% achieved using alkaline fusion and water leaching on a 13% Nb2O5 concentrate.

- Positive factor: High extraction yield from low-grade concentrate

Evidence · text

> achieved high extraction yields - ... 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.