# Greenland-focused rare earths developer Eclipse proceeds with more advanced testwork

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/greenland-focused-rare-earths-developer-eclipse-proceeds-with-more-advanced-test--299fd2c4-fcdf-4219-82ee-122c4c31b9e2

Original source: https://www.miningweekly.com/article/greenland-focused-rare-earths-developer-eclipse-proceeds-with-more-advanced-testwork-2026-09-03

Publisher: miningweekly

Original announcement: 2026-09-03T08:31:39.891Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: Eclipse Metals

- Ticker: ASX: ECL

- Exchange: Unavailable

- Region: Greenland

- Primary commodity: Rare earths

- Secondary commodities: Neodymium, Praseodymium

- Document categories: Metallurgy

- Extracted: 2026-09-03 08:34:14 UTC

Narrative sentiment: 0.60 · Bullish

## Minestarters Atlas summary

Eclipse Metals reported encouraging mineralogical results from ALS Metallurgy on four composite samples from the Ivigtût project in Greenland. The analysis shows that NdPr is predominantly hosted in specific mineral groups \(87.5% to 94.3%\), establishing a basis for future flotation and reagent-optimisation testing.

Reasoning: Quantitative mineralogical analysis shows high NdPr hosting in specific mineral groups \(87.5-94.3%\), providing a sound basis for upcoming flotation testwork.

- Positive factor: high mineralogical deportment

- Positive factor: clear beneficiation pathway identified

- Negative factor: not actual flotation recoveries

Facts used in scoring: 2

## Classification and evidence

**Bench Scale Only**

Polarity: negative

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

Why it applies: The results are from quantitative automated mineralogical analysis on composites, not actual flotation or pilot testing.

Evidence · text

> The reported percentages describe mineralogical deportment and surface exposure; they are not flotation recoveries or concentrate grades.

**Mill Route**

Polarity: neutral

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

Why it applies: The company intends to convert mineralogical findings into flotation recovery and concentrate grade.

Evidence · text

> Our focus will be to convert this mineralogical opportunity into measured flotation recovery and concentrate grade

## Extracted facts

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

## Metallurgical Results (2)

### quantitative automated mineralogical analysis

[Link to this fact](https://atlas-staging.minestarters.com/news/greenland-focused-rare-earths-developer-eclipse-proceeds-with-more-advanced-test--299fd2c4-fcdf-4219-82ee-122c4c31b9e2#fact-metallurgical-facts-0)

neodymium

#### Identity

- Commodity: neodymium
- Ticker: ASX: ECL

#### Test Work

- Program Status: preliminary
- Test Type: quantitative automated mineralogical analysis
- Sample: four composite samples from the Ivigtût project

#### Recovery

- Recovery: 94.3 %
- Recovery Basis: theoretical

#### Lab

- Laboratory: ALS Metallurgy

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-09-03T00:00:00.000Z

Reasoning: Upper bound of NdPr hosting in identified mineral groups is 94.3%.

- Positive factor: high mineralogical deportment

- Negative factor: theoretical basis only

Evidence · text

> With between 87.5% and 94.3% of NdPr hosted in identified rare earth-bearing mineral groups across four composites

### quantitative automated mineralogical analysis

[Link to this fact](https://atlas-staging.minestarters.com/news/greenland-focused-rare-earths-developer-eclipse-proceeds-with-more-advanced-test--299fd2c4-fcdf-4219-82ee-122c4c31b9e2#fact-metallurgical-facts-1)

neodymium

#### Identity

- Commodity: neodymium
- Ticker: ASX: ECL

#### Test Work

- Program Status: preliminary
- Test Type: quantitative automated mineralogical analysis
- Sample: four composite samples from the Ivigtût project

#### Recovery

- Recovery: 87.5 %
- Recovery Basis: theoretical

#### Lab

- Laboratory: ALS Metallurgy

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-09-03T00:00:00.000Z

Reasoning: Lower bound of NdPr hosting in identified mineral groups is 87.5%.

- Positive factor: high mineralogical deportment

- Negative factor: theoretical basis only

Evidence · text

> With between 87.5% and 94.3% of NdPr hosted in identified rare earth-bearing mineral groups across four composites

## 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.