# Mount Ridley lodges second Selectro patent for industrial metals

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/mount-ridley-lodges-second-selectro-patent-for-industrial-metals--3259e09c-0905-493b-a95c-3f049839894e

Original source: https://stockhead.com.au/resources/mount-ridley-lodges-second-selectro-patent-for-industrial-metals/

Publisher: stockhead

Original announcement: 2026-10-19T03:36:56.000Z

Analysis by Minestarters Atlas

Atlas analysis published: 2026-10-19T05:03:46.306Z

Atlas analysis updated: 2026-10-19T05:03:46.306Z

- Company: Mount Ridley Mines

- Ticker: MRD

- Exchange: Unavailable

- Region: Western Australia

- Primary commodity: Aluminium

- Secondary commodities: Iron ore, Gallium, Scandium, Rare earths

- Document categories: Metallurgy, Other

- Extracted: 2026-10-19 05:03:47 UTC

Narrative sentiment: 0.60 · Bullish

## Minestarters Atlas summary

Mount Ridley Mines has lodged a second provisional patent application for its Selectro processing chemistry, specifically adapted for industrial metal feedstocks like bauxite. First-pass testwork on a Darling Range bauxite composite yielded 92% aluminium and 97% iron recovery, producing a pH-neutral residue.

Reasoning: The announcement reports successful first-pass metallurgical testwork on bauxite and the lodgement of a new patent application for the Selectro process, indicating technical progress and IP expansion.

- Positive factor: High recovery rates for aluminium and iron

- Positive factor: Development of a pH-neutral residue

- Positive factor: Expansion of intellectual property via second patent application

- Positive factor: Demonstrated applicability to third-party feedstocks

- Negative factor: Process is at an early testing stage

- Negative factor: Chemistry not yet optimised for bauxite

- Negative factor: Gallium assay results are still pending

Facts used in scoring: 2

## Classification and evidence

**High Recovery**

Polarity: positive

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

Why it applies: Aluminium \(92%\) and iron \(97%\) recoveries are high for first-pass testing.

Evidence · text

> returned 92% aluminium and 97% iron recovery

**Bench Scale Only**

Polarity: negative

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

Why it applies: The results are described as 'first-pass testwork' on a composite, indicating early-stage screening.

Evidence · text

> the process remains at an early testing stage

**Single Domain Only**

Polarity: negative

Definition: Testing limited to one composite or domain — representativeness not established.

Why it applies: only one composite was tested

## Extracted facts

Stored fact records: 2. Some facts used in scoring do not have a stored record.

## Metallurgical Results (2)

### unspecified

[Link to this fact](https://atlas-staging.minestarters.com/news/mount-ridley-lodges-second-selectro-patent-for-industrial-metals--3259e09c-0905-493b-a95c-3f049839894e#fact-metallurgical-facts-0)

Darling Range bauxite project · aluminium

#### Identity

- Project: Darling Range bauxite project
- Commodity: aluminium
- Region: australia\_wa
- Reported Region: Western Australia
- Ticker: MRD

#### Test Work

- Program Status: scoping
- Test Type: unspecified
- Sample: composite from Australian Silica Quartz Group’s Darling Range bauxite project

#### Recovery

- Recovery: 92 %
- Recovery Basis: actual\_test

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-10-19T00:00:00.000Z

Reasoning: 92% recovery is a strong result for first-pass testing on a new feedstock.

- Positive factor: High recovery rate

Evidence · text

> First-pass bauxite testwork returned 92% aluminium

### unspecified

[Link to this fact](https://atlas-staging.minestarters.com/news/mount-ridley-lodges-second-selectro-patent-for-industrial-metals--3259e09c-0905-493b-a95c-3f049839894e#fact-metallurgical-facts-1)

Darling Range bauxite project · iron\_ore

#### Identity

- Project: Darling Range bauxite project
- Commodity: iron\_ore
- Region: australia\_wa
- Reported Region: Western Australia
- Ticker: MRD

#### Test Work

- Program Status: scoping
- Test Type: unspecified
- Sample: composite from Australian Silica Quartz Group’s Darling Range bauxite project

#### Recovery

- Recovery: 97 %
- Recovery Basis: actual\_test

#### Lab

- Laboratory: ALS

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-10-19T00:00:00.000Z

Reasoning: 97% iron recovery is an exceptional result for this stage of testing.

- Positive factor: Very high recovery rate

Evidence · text

> 97% iron recovery

## 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.