Great Western Mining Corporation Plc Announces Excellent Tungsten Recovery Rate from Bulk Sample
Original announcement by investingnews on
- Company
- Great Western Mining Corporation Plc
- Ticker
- GWMO
- Exchange
- LSE
- Region
- Nevada, USA
- Primary commodity
- Tungsten
- Secondary commodities
- Molybdenum
- Document categories
- Metallurgy
- Extracted
- 2026-09-16 15:22:23 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Great Western Mining Corporation Plc has announced successful initial metallurgical flotation test results for its Defender Tungsten Project in Nevada. The bench-scale tests achieved a 92.98% tungsten recovery, upgrading a 0.35% WO3 bulk sample to a 7.21% WO3 rougher concentrate.
Reasoning: The announcement reports highly encouraging initial metallurgical results from bench-scale flotation tests, demonstrating high recovery and significant grade upgrading for the Defender Tungsten Project.
Positive factors
- High tungsten recovery (92.98%)
- Significant grade upgrade (0.35% to 7.21% WO3)
- Low levels of deleterious molybdenum
- Successful sulphide removal pre-treatment
Negative factors
- Preliminary results subject to third-party assay verification
- Bench-scale test work only
Facts used in scoring: 2
Classification and evidence
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: Tungsten recovery of 92.98% is in the exceptional/strong tier for flotation.
Evidence · text
“92.98% of the tungsten was recovered”
Bench Scale Onlynegative
Only preliminary bench tests completed — no locked-cycle or pilot work.
Why it applies: Results are from bench-scale flotation test work.
Evidence · text
“bench-scale flotation test work”
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: The process uses flotation methods.
Evidence · text
“established flotation methods”
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)
flotationDefender Tungsten Project · tungstenRecovery: 92.98 %Head Grade: 0.35Head Grade Unit: % WO3View all detailsHide details
Identity
- Project
- Defender Tungsten Project
- Commodity
- tungsten
- Region
- usa_nv
- Reported Region
- Nevada, USA
- Ticker
- GWMO
Test Work
- Program Status
- preliminary
- Test Type
- flotation
- Processing Route
- sequential sulphide and scheelite flotation
- Sample
- 750 kg representative bulk sample, crushed to P80 150µm
- Grind P80
- 150 µm
Recovery
- Recovery
- 92.98 %
- Recovery Basis
- actual_test
- Head Grade
- 0.35
- Head Grade Unit
- % WO3
- Conc. Grade
- 7.21
- Conc. Grade Unit
- % WO3
- Mass Pull
- 4.55 %
Lab
- Laboratory
- Eriez Flotation Division
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: Excellent recovery and grade upgrade from a representative bulk sample.
Positive factors
- High recovery
- Significant grade upgrade
Negative factors
- Subject to verification
Evidence · text
“92.98% of the tungsten was recovered from the pre-treated material into a rougher concentrate grading 7.21% WO3, compared with a starting bulk sample grade of 0.35% WO3”
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
flotationDefender Tungsten Project · tungstenRecovery: 99.46 %Head Grade: 0.35Head Grade Unit: % WO3View all detailsHide details
Identity
- Project
- Defender Tungsten Project
- Commodity
- tungsten
- Region
- usa_nv
- Reported Region
- Nevada, USA
- Ticker
- GWMO
Test Work
- Program Status
- preliminary
- Test Type
- flotation
- Processing Route
- sequential sulphide and scheelite flotation
- Sample
- 750 kg representative bulk sample, crushed to P80 150µm (sulphide removal stage)
- Grind P80
- 150 µm
Recovery
- Recovery
- 99.46 %
- Recovery Basis
- actual_test
- Head Grade
- 0.35
- Head Grade Unit
- % WO3
- Mass Pull
- 3.97 %
Lab
- Laboratory
- Eriez Flotation Division
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: Successful pre-treatment stage with minimal tungsten loss.
Positive factors
- High tungsten retention during pre-treatment
Evidence · text
“The pre-float phase retained 99.46% of the tungsten within the main sink stream at a grade of 0.35% WO3”
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.