# StockTake: Ark Mines achieves up to 99.6% rare earth extraction

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/stocktake-ark-mines-achieves-up-to-99-6-rare-earth-extraction--dd6ca238-5d7a-485c-a6f1-a55a93c0fcd5

Original source: https://stockhead.com.au/stockhead-tv/stocktake/stocktake-ark-mines-achieves-up-to-99-6-rare-earth-extraction/

Publisher: stockhead

Original announcement: 2026-10-08T03:40:30.000Z

Analysis by Minestarters Atlas

Atlas analysis published: 2026-10-08T05:03:12.727Z

Atlas analysis updated: 2026-10-08T05:03:12.727Z

- Company: Ark Mines

- Ticker: AHK

- Exchange: Unavailable

- Region: northern Queensland

- Primary commodity: Rare earths

- Secondary commodities: None reported

- Document categories: Metallurgy, Other

- Extracted: 2026-10-08 05:03:13 UTC

Narrative sentiment: 0.80 · Bullish

## Minestarters Atlas summary

Ark Mines has reported rare earth extraction rates of up to 99.6% from its Sandy Mitchell monazite concentrate. The results indicate the concentrate responds well to conventional processing as the company targets production by 2028.

Reasoning: The document reports high rare earth extraction rates \(up to 99.6%\) from monazite concentrate, which supports the project's path toward 2028 production.

- Positive factor: High extraction rate reported

- Positive factor: Concentrate responds to conventional processing

Facts used in scoring: 1

## Classification and evidence

**High Recovery**

Polarity: positive

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

Why it applies: The reported 99.6% extraction rate is exceptionally high.

Evidence · text

> achieves up to 99.6% rare earth extraction

**Mill Route**

Polarity: neutral

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

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

**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: 1. Some facts used in scoring do not have a stored record.

## Metallurgical Results (1)

### unspecified

[Link to this fact](https://atlas-staging.minestarters.com/news/stocktake-ark-mines-achieves-up-to-99-6-rare-earth-extraction--dd6ca238-5d7a-485c-a6f1-a55a93c0fcd5#fact-metallurgical-facts-0)

Sandy Mitchell · rare\_earths

#### Identity

- Project: Sandy Mitchell
- Commodity: rare\_earths
- Region: australia\_qld
- Reported Region: northern Queensland
- Ticker: AHK

#### Test Work

- Program Status: unspecified
- Test Type: unspecified
- Processing Route: conventional processing
- Sample: Sandy Mitchell monazite concentrate

#### Recovery

- Recovery: 99.6 %
- Recovery Basis: unspecified

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-10-08T00:00:00.000Z

Reasoning: 99.6% extraction rate is exceptionally high for rare earth processing.

- Positive factor: Exceptional recovery rate

Evidence · text

> achieves up to 99.6% rare earth extraction

## 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.