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

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/niobay-announces-the-completion-and-success-of-metallurgical-work-on-the-crevier--2d359c8a-530d-44bd-ae09-fe5e75fed9d1

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: 2026-08-21 00:20:06 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 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 factor: Pilot-scale success

- Positive factor: High extraction efficiency

- Positive factor: By-product valorization potential

Facts used in scoring: 5

## Classification and evidence

**Pilot Scale Complete**

Polarity: positive

Definition: 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 Route**

Polarity: neutral

Definition: 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 1

[Link to this fact](https://atlas-staging.minestarters.com/news/niobay-announces-the-completion-and-success-of-metallurgical-work-on-the-crevier--2d359c8a-530d-44bd-ae09-fe5e75fed9d1#fact-metallurgical-facts-0)

niobium

#### 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 factor: Targeted grades achieved

Evidence · text

> demonstrates a 70% recovery of Nb2O5

### Fact 2

[Link to this fact](https://atlas-staging.minestarters.com/news/niobay-announces-the-completion-and-success-of-metallurgical-work-on-the-crevier--2d359c8a-530d-44bd-ae09-fe5e75fed9d1#fact-metallurgical-facts-1)

niobium

#### 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 factor: High extraction efficiency

Evidence · text

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

### Fact 3

[Link to this fact](https://atlas-staging.minestarters.com/news/niobay-announces-the-completion-and-success-of-metallurgical-work-on-the-crevier--2d359c8a-530d-44bd-ae09-fe5e75fed9d1#fact-metallurgical-facts-2)

tantalum

#### 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 factor: High extraction efficiency

Evidence · text

> 95.8% for tantalum

### Fact 4

[Link to this fact](https://atlas-staging.minestarters.com/news/niobay-announces-the-completion-and-success-of-metallurgical-work-on-the-crevier--2d359c8a-530d-44bd-ae09-fe5e75fed9d1#fact-metallurgical-facts-3)

niobium

#### 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 factor: High extraction yield

Evidence · text

> achieved high extraction yields - 86.4% for niobium

### Fact 5

[Link to this fact](https://atlas-staging.minestarters.com/news/niobay-announces-the-completion-and-success-of-metallurgical-work-on-the-crevier--2d359c8a-530d-44bd-ae09-fe5e75fed9d1#fact-metallurgical-facts-4)

tantalum

#### 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 factor: 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.