# IGS Study Proposes Innovative and Sustainable Development of Oka Deposit

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/igs-study-proposes-innovative-and-sustainable-development-of-oka-deposit--4c19b8fa-3425-479c-9880-505f1876ba51

Original source: https://money.tmx.com/en/quote/NIO/news/6911453346052879/igs-study-proposes-innovative-and-sustainable-development-of-oka-deposit

Publisher: tmx

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

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: Nio Strategic Metals Inc.

- Ticker: NIO

- Exchange: TSX

- Region: Quebec, Canada

- Primary commodity: Niobium

- Secondary commodities: Rare earth elements, Phosphate, Tantalum, Zirconium, Thorium, Uranium, Cerium, Neodymium, Praseodymium, Dysprosium, Erbium, Europium, Gadolinium, Holmium, Lanthanum, Lutetium, Samarium, Scandium, Terbium, Thulium, Yttrium, Ytterbium, Silver, Vanadium, Iron ore, Silicon, Aluminum, Magnesium, Calcium, Sodium, Potassium, Titanium, Manganese, Barium

- Document categories: Metallurgy

- Extracted: 2026-08-22 02:32:08 UTC

Narrative sentiment: 1.00 · Bullish

## Minestarters Atlas summary

Nio Strategic Metals Inc. announced positive results from a metallurgical study on its Oka deposit, confirming strong niobium and rare earth element content. Flotation test work achieved a substantial improvement in niobium recovery to 81.14% at a concentrate grade of 52.75% Nb₂O₅, compared to historical results. The study also identified significant rare earth element, zirconium, and tantalum content in the concentrate, and demonstrated a novel approach to reduce thorium and uranium in residues, enhancing the project's environmental profile.

Reasoning: The metallurgical study demonstrates a significant improvement in niobium recovery and grade, along with the potential to recover multiple critical and strategic minerals. The proposed innovative solution also addresses environmental concerns by reducing radioactive elements in residues, de-risking the project.

- Positive factor: Substantial improvement in niobium recovery and concentrate grade

- Positive factor: Potential for monetization of rare earth elements, zirconium, and tantalum

- Positive factor: Significant reduction of thorium and uranium in residues, improving environmental profile

- Positive factor: Innovative processing solution proposed

Low confidence — this extraction should be reviewed alongside the original source.

Facts used in scoring: 8

## Classification and evidence

No classification tags are available.

## Extracted facts

Stored fact records: 8. Some facts used in scoring do not have a stored record.

## Metallurgical Results (8)

### flotation

[Link to this fact](https://atlas-staging.minestarters.com/news/igs-study-proposes-innovative-and-sustainable-development-of-oka-deposit--4c19b8fa-3425-479c-9880-505f1876ba51#fact-metallurgical-facts-0)

niobium

#### Identity

- Commodity: niobium
- Ticker: NIO

#### Test Work

- Test Type: flotation
- Processing Route: flotation
- Sample: metallurgical test composite

#### Recovery

- Recovery: 81.14 %
- Conc. Grade: 52.75
- Conc. Grade Unit: % Nb₂O₅

#### Lab

- Laboratory: SGS

#### Review

- Needs Review: No
- Historical: No

#### Dates

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

Reasoning: Niobium recovery of 81.14% at 52.75% Nb₂O₅ concentrate grade represents a substantial improvement over historical results and is strong for flotation.

- Positive factor: High Recovery

- Positive factor: Recovery Improving

Evidence · text

> pyrochlore concentrate grading 52.75% niobium pentoxide \(Nb₂O₅\) at a niobium recovery of 81.14%

### feasibility work

[Link to this fact](https://atlas-staging.minestarters.com/news/igs-study-proposes-innovative-and-sustainable-development-of-oka-deposit--4c19b8fa-3425-479c-9880-505f1876ba51#fact-metallurgical-facts-1)

niobium

Historical result

Needs review: historical\_restatement

#### Identity

- Commodity: niobium
- Ticker: NIO

#### Test Work

- Test Type: feasibility work
- Processing Route: flotation

#### Recovery

- Recovery: 71.7 %
- Conc. Grade: 44.5
- Conc. Grade Unit: % Nb₂O₅

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2011-01-01T00:00:00.000Z

#### Dates

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

Reasoning: Historical niobium recovery and concentrate grade serve as a baseline for comparison with new, improved results.

Evidence · text

> historical baseline of 44.5% Nb₂O₅ at 71.7% recovery established in the 2011 feasibility work

### Fact 3

[Link to this fact](https://atlas-staging.minestarters.com/news/igs-study-proposes-innovative-and-sustainable-development-of-oka-deposit--4c19b8fa-3425-479c-9880-505f1876ba51#fact-metallurgical-facts-2)

rare earth elements

#### Identity

- Commodity: rare earth elements
- Ticker: NIO

#### Test Work

- Sample: pyrochlore concentrate

#### Recovery

- Conc. Grade: 11.75
- Conc. Grade Unit: % TREO

#### Lab

- Laboratory: SGS

#### Review

- Needs Review: No
- Historical: No

#### Dates

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

Reasoning: Significant total rare earth oxide content in the niobium concentrate indicates potential for REE monetization.

Evidence · text

> The concentrate additionally contained 11.75% TREO

### Fact 4

[Link to this fact](https://atlas-staging.minestarters.com/news/igs-study-proposes-innovative-and-sustainable-development-of-oka-deposit--4c19b8fa-3425-479c-9880-505f1876ba51#fact-metallurgical-facts-3)

zirconium

#### Identity

- Commodity: zirconium
- Ticker: NIO

#### Test Work

- Sample: pyrochlore concentrate

#### Recovery

- Conc. Grade: 2
- Conc. Grade Unit: % ZrO₂

#### Lab

- Laboratory: SGS

#### Review

- Needs Review: No
- Historical: No

#### Dates

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

Reasoning: Zirconium content in the concentrate indicates potential for monetization.

Evidence · text

> 1.5% zirconium \(Zr\), equivalent to 2.0% zirconium oxide \(ZrO₂\)

### Fact 5

[Link to this fact](https://atlas-staging.minestarters.com/news/igs-study-proposes-innovative-and-sustainable-development-of-oka-deposit--4c19b8fa-3425-479c-9880-505f1876ba51#fact-metallurgical-facts-4)

tantalum

#### Identity

- Commodity: tantalum
- Ticker: NIO

#### Test Work

- Sample: pyrochlore concentrate

#### Recovery

- Conc. Grade: 0.49
- Conc. Grade Unit: % Ta₂O₅

#### Lab

- Laboratory: SGS

#### Review

- Needs Review: No
- Historical: No

#### Dates

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

Reasoning: Tantalum content in the concentrate indicates potential for monetization.

Evidence · text

> 0.4% tantalum \(Ta\), equivalent to 0.49% tantalum pentoxide \(Ta₂O₅\)

### Fact 6

[Link to this fact](https://atlas-staging.minestarters.com/news/igs-study-proposes-innovative-and-sustainable-development-of-oka-deposit--4c19b8fa-3425-479c-9880-505f1876ba51#fact-metallurgical-facts-5)

phosphate

Historical result

Needs review: historical\_restatement

#### Identity

- Commodity: phosphate
- Ticker: NIO

#### Test Work

- Sample: historical resource samples

#### Recovery

- Head Grade: 4.29
- Head Grade Unit: % P₂O₅

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes

#### Dates

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

Reasoning: Historical phosphate grade indicates potential for byproduct recovery, which is being further assessed.

Evidence · text

> samples of the historical resource have tested 4.29% P₂O₅ \(see Table 1\)

### concentrate leach test

[Link to this fact](https://atlas-staging.minestarters.com/news/igs-study-proposes-innovative-and-sustainable-development-of-oka-deposit--4c19b8fa-3425-479c-9880-505f1876ba51#fact-metallurgical-facts-6)

thorium

#### Identity

- Commodity: thorium
- Ticker: NIO

#### Test Work

- Test Type: concentrate leach test

#### Recovery

- Recovery: 38.69 %
- Recovery Basis: actual\_test
- Head Grade: 2000
- Head Grade Unit: ppm
- Tailings Grade: 824
- Tailings Grade Unit: ppm

#### Review

- Needs Review: No
- Historical: No

#### Dates

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

Reasoning: Significant reduction of thorium content in the leach residue \(38.69% retained\) improves the environmental profile of the project.

- Negative factor: Deleterious Elements Present

Evidence · table

> 38.69

Context: Recovery by residue \(%\)

### concentrate leach test

[Link to this fact](https://atlas-staging.minestarters.com/news/igs-study-proposes-innovative-and-sustainable-development-of-oka-deposit--4c19b8fa-3425-479c-9880-505f1876ba51#fact-metallurgical-facts-7)

uranium

#### Identity

- Commodity: uranium
- Ticker: NIO

#### Test Work

- Test Type: concentrate leach test

#### Recovery

- Recovery: 11.27 %
- Recovery Basis: actual\_test
- Head Grade: 1000
- Head Grade Unit: ppm
- Tailings Grade: 120
- Tailings Grade Unit: ppm

#### Review

- Needs Review: No
- Historical: No

#### Dates

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

Reasoning: Significant reduction of uranium content in the leach residue \(11.27% retained\) improves the environmental profile of the project.

- Negative factor: Deleterious Elements Present

Evidence · table

> 11.27

Context: Recovery by residue \(%\)

## 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.
