ValOre Approves Phase 2 of Metallurgical Testwork for Pedra Branca PGE project in Brazil: Program Underway in Partnership with the University of Cape Town Department of Chemical Engineering
Original announcement by tmx on
- Company
- ValOre Metals Corp.
- Ticker
- VO
- Exchange
- TSX
- Region
- Brazil
- Primary commodity
- Platinum
- Secondary commodities
- Gold, Palladium
- Document categories
- Metallurgy, Other
- Extracted
- 2026-09-13 06:41:53 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
ValOre Metals Corp. has approved Phase II metallurgical testwork for its Pedra Branca PGE project in Brazil, focusing on scaling up bioleaching for weathered material and advancing flotation for fresh rock. The program, conducted with the University of Cape Town, supports the upcoming Preliminary Economic Assessment (PEA) targeted for late 2026.
Reasoning: The announcement details the transition from Phase I (proof of concept) to Phase II (scale-up/feasibility) metallurgical testing, highlighting both promising flotation results for fresh rock and the need for bioleaching to address refractory weathered material.
Positive factors
- Phase II testwork focuses on scaling up a novel bioleaching process
- Phase I flotation testing on fresh material showed promising palladium and platinum recoveries (70-80%)
- Bioleaching identified as a potential route to improve PGE liberation from weathered material
- Partnership with University of Cape Town for technical expertise
Negative factors
- Phase I batch flotation on weathered material returned low recoveries
- Weathered material identified as refractory
Facts used in scoring: 2
Classification and evidence
Refractory Orenegative
Ore requires oxidation/pressure treatment before recovery — a processing and recovery risk.
Why it applies: Phase I batch flotation on weathered material confirmed the refractory nature of the mineralization.
Evidence · text
“confirming the refractory nature of this material”
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: The program includes advancing conventional flotation and leaching for fresh rock material.
Evidence · text
“Advancing conventional flotation and leaching testwork for fresh rock material”
Heap Leach Routeneutral
Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.
Why it applies: the document describes a heap_leach route ("heap leaching")
POX/BIOX Routeneutral
Pressure or bio-oxidation for refractory ore — high CAPEX and OPEX.
Why it applies: the document describes a pox_biox route ("bio-oxidation")
Single Domain Onlynegative
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)
flotationPedra Branca · palladiumRecovery: 75 %Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Pedra Branca
- Commodity
- palladium
- Region
- brazil
- Reported Region
- Brazil
- Ticker
- VO
Test Work
- Program Status
- preliminary
- Test Type
- flotation
- Processing Route
- flotation
- Sample
- Phase I flotation testing on fresh material
Recovery
- Recovery
- 75 %
- Recovery Basis
- actual_test
Lab
- Laboratory
- Blue Coast Research
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2024-09-09T00:00:00.000Z
Dates
- Event date
- 2026-02-09T00:00:00.000Z
Reasoning: Reported range of 70-80% for palladium recovery on fresh material.
Positive factors
- Recoveries in the 70-80% range are promising for preliminary flotation
Evidence · text
“indicated potential palladium and platinum recoveries in the range of 70 - 80%”
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
flotationPedra Branca · platinumRecovery: 75 %Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Pedra Branca
- Commodity
- platinum
- Region
- brazil
- Reported Region
- Brazil
- Ticker
- VO
Test Work
- Program Status
- preliminary
- Test Type
- flotation
- Processing Route
- flotation
- Sample
- Phase I flotation testing on fresh material
Recovery
- Recovery
- 75 %
- Recovery Basis
- actual_test
Lab
- Laboratory
- Blue Coast Research
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2024-09-09T00:00:00.000Z
Dates
- Event date
- 2026-02-09T00:00:00.000Z
Reasoning: Reported range of 70-80% for platinum recovery on fresh material.
Positive factors
- Recoveries in the 70-80% range are promising for preliminary flotation
Evidence · text
“indicated potential palladium and platinum recoveries in the range of 70 - 80%”
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
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.