# Lion Rock Commences Metallurgical Testing at Past-Producing Volney Critical Minerals Project, South Dakota

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/lion-rock-commences-metallurgical-testing-at-past-producing-volney-critical-mine--b7139933-c388-44b7-b8de-966c2fce4cc0

Original source: https://money.tmx.com/en/quote/ROAR/news/6834007670593866/lion-rock-commences-metallurgical-testing-at-past-producing-volney-critical-mine

Publisher: tmx

Original announcement: 2026-06-09T11:20:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: Lion Rock Resources Inc.

- Ticker: ROAR

- Exchange: TSX

- Region: South Dakota

- Primary commodity: Lithium

- Secondary commodities: Tin, Tantalum, Gold

- Document categories: Metallurgy

- Extracted: 2026-08-26 06:26:37 UTC

Narrative sentiment: 0.40 · Bullish

## Minestarters Atlas summary

Lion Rock Resources has commenced a metallurgical and mineralogical testing program at the Volney project in South Dakota. The program uses bulk samples from surface pegmatites to evaluate recovery and processing pathways for lithium, tin, and tantalum.

Reasoning: The company is initiating metallurgical work to de-risk processing for a critical minerals project, leveraging historical data and surface accessibility.

- Positive factor: Commencement of metallurgical testing on a past-producing asset

- Positive factor: Use of large bulk samples from surface outcrops for better representativeness

- Positive factor: Existing infrastructure and historical production data provide a baseline

- Positive factor: Testing multiple processing pathways \(on-site, off-site, direct shipping\)

- Negative factor: Historical production data has not been verified by a Qualified Person

- Negative factor: Testing is in early stages \(scoping/preliminary\)

Facts used in scoring: 3

## Classification and evidence

**Bench Scale Only**

Polarity: negative

Definition: Only preliminary bench tests completed — no locked-cycle or pilot work.

Why it applies: The program is just commencing and involves bulk samples for initial characterization and gravity/flotation testing.

Evidence · text

> commenced a metallurgical and mineralogical testing program

**Mill Route**

Polarity: neutral

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

Why it applies: The program includes evaluating on-site concentration and flotation testing.

Evidence · text

> Preliminary flotation testing on selected products is also planned

## Extracted facts

Stored fact records: 3. Some facts used in scoring do not have a stored record.

## Metallurgical Results (3)

### Fact 1

[Link to this fact](https://atlas-staging.minestarters.com/news/lion-rock-commences-metallurgical-testing-at-past-producing-volney-critical-mine--b7139933-c388-44b7-b8de-966c2fce4cc0#fact-metallurgical-facts-0)

lithium

Historical result

Needs review: historical\_restatement

#### Identity

- Commodity: lithium
- Ticker: ROAR

#### Test Work

- Sample: Historical spodumene concentrate

#### Recovery

- Head Grade: 6.3
- Head Grade Unit: % Li2O

#### Review

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

#### Dates

- Event date: 2026-06-09T00:00:00.000Z

Reasoning: Historical concentrate grade reported but explicitly noted as unverified by a QP.

- Negative factor: Historical data not verified by QP

Evidence · text

> Volney has historically produced spodumene concentrate of up to 6.3% Li2O

### Fact 2

[Link to this fact](https://atlas-staging.minestarters.com/news/lion-rock-commences-metallurgical-testing-at-past-producing-volney-critical-mine--b7139933-c388-44b7-b8de-966c2fce4cc0#fact-metallurgical-facts-1)

tin

Historical result

Needs review: historical\_restatement

#### Identity

- Commodity: tin
- Ticker: ROAR

#### Test Work

- Sample: Historical tin concentrate

#### Recovery

- Head Grade: 62.5
- Head Grade Unit: % Sn

#### Review

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

#### Dates

- Event date: 2026-06-09T00:00:00.000Z

Reasoning: Historical concentrate grade reported but explicitly noted as unverified by a QP.

- Negative factor: Historical data not verified by QP

Evidence · text

> tin concentrate of up to 62.5% Sn

### Fact 3

[Link to this fact](https://atlas-staging.minestarters.com/news/lion-rock-commences-metallurgical-testing-at-past-producing-volney-critical-mine--b7139933-c388-44b7-b8de-966c2fce4cc0#fact-metallurgical-facts-2)

tantalum

Historical result

Needs review: historical\_restatement

#### Identity

- Commodity: tantalum
- Ticker: ROAR

#### Test Work

- Sample: Historical tantalite concentrate

#### Recovery

- Head Grade: 57
- Head Grade Unit: % Ta2O5

#### Review

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

#### Dates

- Event date: 2026-06-09T00:00:00.000Z

Reasoning: Historical concentrate grade reported but explicitly noted as unverified by a QP.

- Negative factor: Historical data not verified by QP

Evidence · text

> tantalite concentrate of up to 57% 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.