Meridian Smelter Tests Deliver High Quality Blister Copper from Cabaçal Copper Concentrates
Original announcement by yahoo_press on
- 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
Analysis by Minestarters Atlas
Minestarters Atlas analysis
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 factors
- High purity blister copper produced
- Significant precious metal credits
- Low impurity levels compared to industry average
Facts used in scoring: 3

Classification and evidence
High Recoverypositive
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 Millingpositive
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 testscopperRecovery: 98.9 %View all detailsHide details
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 factors
- 98.9% purity
Evidence · text
“Copper 98.9% purity”
Fact 2goldHead Grade: 95.2Head Grade Unit: g/tView all detailsHide details
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 factors
- Significant gold credits
Evidence · text
“Precious metals @ 95.2g/t gold”
Fact 3silverHead Grade: 387.6Head Grade Unit: g/tView all detailsHide details
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 factors
- 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.