VanadiumCorp Reports Interim Metallurgical Results from Lac Dore Bulk Sample Testing
Original announcement by tmx on
- Company
- VanadiumCorp Resource Inc.
- Ticker
- VRB
- Exchange
- TSX
- Region
- Québec
- Primary commodity
- Vanadium
- Secondary commodities
- Iron ore, Titanium
- Document categories
- Metallurgy
- Extracted
- 2026-09-13 06:41:18 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
VanadiumCorp reported interim metallurgical results from bulk sample testing at its Lac Doré project in Québec. The testing demonstrated successful production of a vanadium-magnetite concentrate and showed that vanadium can be selectively extracted via oxidative roasting and sulfuric acid leaching, with recoveries reaching up to 65% at 1050°C.
Reasoning: Interim results show technical feasibility of beneficiation and selective extraction, though recoveries are currently at a preliminary stage.
Positive factors
- selective vanadium extraction demonstrated
- successful production of vanadium-magnetite concentrate
- positive correlation between roasting temperature and recovery
Negative factors
- preliminary/non-optimized laboratory conditions
- relatively low vanadium recovery (~65%)
Facts used in scoring: 3
Classification and evidence
Bench Scale Onlynegative
Only preliminary bench tests completed — no locked-cycle or pilot work.
Why it applies: The results are described as preliminary, conducted under non-optimized laboratory conditions.
Evidence · text
“The metallurgical test work reported herein is preliminary in nature and was conducted under non-optimized laboratory conditions.”
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: The process involves grinding and magnetic separation.
Evidence · text
“The Lac Doré material demonstrated a consistent response to conventional grinding and magnetic separation techniques”
POX/BIOX Routeneutral
Pressure or bio-oxidation for refractory ore — high CAPEX and OPEX.
Why it applies: the document describes a pox_biox route ("roasting")
Multi-Domain Testedpositive
Variability across ore domains (oxide, transition, fresh) has been addressed.
Why it applies: 2 distinct composites were tested
Extracted facts
Stored fact records: 3. Some facts used in scoring do not have a stored record.
Metallurgical Results (3)
magnetic separationLac Doré · vanadiumHead Grade: 0.93Head Grade Unit: % V₂O₅View all detailsHide details
Identity
- Project
- Lac Doré
- Commodity
- vanadium
- Region
- canada_qc
- Reported Region
- Québec
- Ticker
- VRB
Test Work
- Program Status
- preliminary
- Test Type
- magnetic separation
- Processing Route
- grinding and staged magnetic separation
- Sample
- vanadium-magnetite concentrate
Recovery
- Head Grade
- 0.93
- Head Grade Unit
- % V₂O₅
- Mass Pull
- 63 %
Lab
- Laboratory
- Impact Global Solutions Inc. (IGS)
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-11T00:00:00.000Z
Reasoning: Concentrate grade and mass pull reported for beneficiation stage.
Positive factors
- successful upgrading of vanadium content
Negative factors
- non-optimized conditions
Evidence · text
“vanadium-magnetite concentrate grading approximately 0.93% V₂O₅ and ~78% Fe₂O₃, with a mass pull of ~63%”
magnetic separationLac Doré · iron_oreHead Grade: 78Head Grade Unit: % Fe₂O₃View all detailsHide details
Identity
- Project
- Lac Doré
- Commodity
- iron_ore
- Region
- canada_qc
- Reported Region
- Québec
- Ticker
- VRB
Test Work
- Program Status
- preliminary
- Test Type
- magnetic separation
- Processing Route
- grinding and staged magnetic separation
- Sample
- vanadium-magnetite concentrate
Recovery
- Head Grade
- 78
- Head Grade Unit
- % Fe₂O₃
- Mass Pull
- 63 %
Lab
- Laboratory
- Impact Global Solutions Inc. (IGS)
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-11T00:00:00.000Z
Reasoning: Iron grade reported as part of the concentrate composition.
Evidence · text
“vanadium-magnetite concentrate grading approximately 0.93% V₂O₅ and ~78% Fe₂O₃”
oxidative roasting and sulfuric acid leachingLac Doré · vanadiumRecovery: 65 %View all detailsHide details
Identity
- Project
- Lac Doré
- Commodity
- vanadium
- Region
- canada_qc
- Reported Region
- Québec
- Ticker
- VRB
Test Work
- Program Status
- preliminary
- Test Type
- oxidative roasting and sulfuric acid leaching
- Processing Route
- oxidative roasting followed by sulfuric acid leaching
- Sample
- magnetite concentrate at 1050°C
Recovery
- Recovery
- 65 %
- Recovery Basis
- actual_test
Lab
- Laboratory
- Impact Global Solutions Inc. (IGS)
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-11T00:00:00.000Z
Reasoning: Vanadium recovery achieved via roasting and leaching.
Positive factors
- demonstrated selective extraction
Negative factors
- recovery is relatively low at 65%
Evidence · text
“reaching up to ~65% vanadium recovery at 1050°C”
Tags used in scoring
POX/BIOX Routeneutral
Pressure or bio-oxidation for refractory ore — high CAPEX and OPEX.
Why it applies: processing_route matches the pox_biox 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.