Tungsten Mining clears processing hurdle as Watershed project nears FID
Original announcement by stockhead on
- Company
- Tungsten Mining
- Ticker
- TGN
- Exchange
- Unavailable
- Region
- Queensland
- Primary commodity
- Tungsten
- Secondary commodities
- Sulfur
- Document categories
- Metallurgy
- Extracted
- 2026-09-16 05:03:07 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Tungsten Mining has successfully produced saleable tungsten concentrate from its Watershed project in Queensland, with grades reaching up to 65.9% WO3. The metallurgical results, which include recoveries of 60-70% and low sulphur levels, support the upcoming Definitive Feasibility Study (DFS) and a targeted late-2026 Final Investment Decision (FID).
Reasoning: Successful metallurgical test work producing high-grade tungsten concentrate advances the project toward DFS and FID.
Positive factors
- High concentrate grades achieved (up to 65.9% WO3)
- Low sulphur content in concentrate (0.02%)
- Successful production of saleable concentrate
- Advancement toward DFS and FID
Negative factors
- Recovery rates (60-70%) are moderate for the commodity
Facts used in scoring: 4
Classification and evidence
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: The company plans to use flotation and gravity separation.
Evidence · text
“plans to produce concentrate using conventional ore sorting, gravity separation and flotation”
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: the document describes a gravity route ("gravity")
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: 4. Some facts used in scoring do not have a stored record.
Metallurgical Results (4)
flotationWatershed · tungstenRecovery: 65 %View all detailsHide details
Identity
- Project
- Watershed
- Commodity
- tungsten
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- TGN
Test Work
- Program Status
- detailed
- Test Type
- flotation
- Processing Route
- conventional ore sorting, gravity separation and flotation
- Sample
- marketing sample 1
Recovery
- Recovery
- 65 %
- Recovery Basis
- actual_test
- Conc. Grade
- 53.8
- Conc. Grade Unit
- % WO3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: Achieved a marketing-grade concentrate of 53.8% WO3.
Positive factors
- Saleable concentrate grade achieved
Evidence · text
“delivered two marketing samples grading 53.8% and 65.9% tungsten trioxide, or 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
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: processing_route matches the gravity signal
flotationWatershed · tungstenRecovery: 65 %View all detailsHide details
Identity
- Project
- Watershed
- Commodity
- tungsten
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- TGN
Test Work
- Program Status
- detailed
- Test Type
- flotation
- Processing Route
- conventional ore sorting, gravity separation and flotation
- Sample
- marketing sample 2
Recovery
- Recovery
- 65 %
- Recovery Basis
- actual_test
- Conc. Grade
- 65.9
- Conc. Grade Unit
- % WO3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: Achieved a high-grade concentrate of 65.9% WO3.
Positive factors
- High concentrate grade achieved
Evidence · text
“grading 53.8% and 65.9% tungsten trioxide, or 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
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: processing_route matches the gravity signal
flotationWatershed · tungstenRecovery: 65 %View all detailsHide details
Identity
- Project
- Watershed
- Commodity
- tungsten
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- TGN
Test Work
- Program Status
- detailed
- Test Type
- flotation
- Processing Route
- conventional ore sorting, gravity separation and flotation
- Sample
- Watershed metallurgical test work
Recovery
- Recovery
- 65 %
- Recovery Basis
- actual_test
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: Reported recovery range is 60-70%.
Negative factors
- Recovery range (60-70%) is moderate
Evidence · text
“test work achieved recoveries of 60-70%”
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
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: processing_route matches the gravity signal
Fact 4Watershed · sulfurView all detailsHide details
Identity
- Project
- Watershed
- Commodity
- sulfur
- Region
- australia_qld
- Reported Region
- Queensland
- Ticker
- TGN
Test Work
- Sample
- Watershed metallurgical test work
Recovery
- Conc. Grade
- 0.02
- Conc. Grade Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: Concentrate contains very low sulphur (0.02%).
Positive factors
- Very low sulphur content in concentrate
Evidence · text
“both products containing just 0.02% sulphur”
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.