# Meridian Smelter Tests Deliver High Quality Blister Copper from Cabaçal Copper Concentrates

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/meridian-smelter-tests-deliver-high-quality-blister-copper-from-cabac-al-copper--3b38bd02-08f0-4c07-b045-e7dd5ca5178b

Original source: https://finance.yahoo.com/markets/commodities/articles/meridian-smelter-tests-deliver-high-060000614.html

Publisher: yahoo\_press

Original announcement: 2026-07-30T06:00:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: Unavailable

- Ticker: MNO

- Exchange: TSX

- Region: Unavailable

- Primary commodity: Copper

- Secondary commodities: Gold, Silver

- Document categories: Metallurgy

- Extracted: 2026-08-20 19:49:36 UTC

Narrative sentiment: 0.90 · Bullish

## Minestarters Atlas summary

Meridian Smelter Tests confirmed the high quality of Cabaçal copper concentrates, producing blister copper with 98.9% purity. The tests also revealed significant precious metal credits of 95.2 g/t gold and 387.6 g/t silver.

Reasoning: Smelter tests confirmed high-grade \(98.9%\) copper purity and significant gold/silver credits, de-risking the metallurgical profile of the Cabaçal concentrates.

- Positive factor: High purity blister copper produced

- Positive factor: Significant precious metal credits

- Positive factor: Low impurity levels compared to industry average

Facts used in scoring: 3

## Classification and evidence

**High Recovery**

Polarity: positive

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

Why it applies: Produced 98.9% purity blister copper from concentrates.

Evidence · text

> Copper 98.9% purity

**Free Milling**

Polarity: positive

Definition: Simple, clean ore amenable to standard processing without oxidation.

Why it applies: Smelter tests successfully produced high-quality blister copper with low impurities.

Evidence · text

> lack of impurities in Cabaçal's copper

## Extracted facts

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

## Metallurgical Results (3)

### smelting and converting tests

[Link to this fact](https://atlas-staging.minestarters.com/news/meridian-smelter-tests-deliver-high-quality-blister-copper-from-cabac-al-copper--3b38bd02-08f0-4c07-b045-e7dd5ca5178b#fact-metallurgical-facts-0)

copper

#### Identity

- Commodity: copper
- Ticker: MNO

#### Test Work

- Program Status: preliminary
- Test Type: smelting and converting tests
- Processing Route: smelting and converting
- Sample: Cabaçal copper concentrates blister copper

#### Recovery

- Recovery: 98.9 %
- Recovery Basis: actual\_test
- Conc. Grade: 98.9
- Conc. Grade Unit: %

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-07-30T00:00:00.000Z

Reasoning: Achieved exceptionally high purity for blister copper.

- Positive factor: 98.9% purity

Evidence · text

> Copper 98.9% purity

### Fact 2

[Link to this fact](https://atlas-staging.minestarters.com/news/meridian-smelter-tests-deliver-high-quality-blister-copper-from-cabac-al-copper--3b38bd02-08f0-4c07-b045-e7dd5ca5178b#fact-metallurgical-facts-1)

gold

#### Identity

- Commodity: gold
- Ticker: MNO

#### Test Work

- Sample: Cabaçal copper concentrates blister copper

#### Recovery

- Head Grade: 95.2
- Head Grade Unit: g/t

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-07-30T00:00:00.000Z

Reasoning: High gold content in the blister copper product provides significant value credits.

- Positive factor: Significant gold credits

Evidence · text

> Precious metals @ 95.2g/t gold

### Fact 3

[Link to this fact](https://atlas-staging.minestarters.com/news/meridian-smelter-tests-deliver-high-quality-blister-copper-from-cabac-al-copper--3b38bd02-08f0-4c07-b045-e7dd5ca5178b#fact-metallurgical-facts-2)

silver

#### Identity

- Commodity: silver
- Ticker: MNO

#### Test Work

- Sample: Cabaçal copper concentrates blister copper

#### Recovery

- Head Grade: 387.6
- Head Grade Unit: g/t

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-07-30T00:00:00.000Z

Reasoning: High silver content in the blister copper product provides significant value credits.

- Positive factor: Significant silver credits

Evidence · text

> @ 387.6g/t silver

## 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.