PFS confirms Tungsten Mining's Mt Mulgine as potentially world's lowest cost operation

Original announcement by miningweekly on

Company
Tungsten Mining
Ticker
Unavailable
Exchange
Unavailable
Region
Western Australia
Primary commodity
Tungsten
Secondary commodities
None reported
Document categories
Resource update
Extracted
2026-09-01 14:48:57 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Tungsten Mining's Mt Mulgine project in Western Australia has completed a Pre-feasibility Study (PFS) confirming its potential as a low-cost tungsten operation. The study reports a base case NPV of A$6.8-billion and an IRR of 55%, with a projected mine life of 21 years.

Reasoning: The Pre-feasibility Study (PFS) confirms highly robust economics for the Mt Mulgine project, including a high IRR and very low operating costs in a supply-constrained market.

Positive factors

  • Strong NPV and IRR metrics
  • Low C1 and AISC cash costs
  • Favorable market structural deficit
  • Long mine life

Facts used in scoring: 2

Classification and evidence

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: The document reports results from a Pre-feasibility Study (PFS) for the Mt Mulgine project.

Evidence · text

“A prefeasibility study (PFS) for ASX-listed Tungsten Mining's Mt Mulgine project”

Extracted facts

Stored fact records: 2. Some facts used in scoring do not have a stored record.

Resource Estimates (2)

indicatedtungstenContained Metal: 12000Contained Unit: t/yView all details
Link to this fact

Identity

Commodity
tungsten

Resource Data

Category
indicated
Contained Metal
12000
Contained Unit
t/y

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-01T00:00:00.000Z

Reasoning: PFS confirms highly competitive cost profile and significant production scale.

Positive factors

  • Low C1 cash cost
  • Low AISC
  • Long mine life

Evidence · text

“producing up to 12 000 t/y of tungsten trioxide at the world's lowest C1 cash cost of $53/t and all-in sustaining cost of $127/t.”
indicatedtungstenTonnes: 8000000View all details
Link to this fact

Identity

Commodity
tungsten

Resource Data

Category
indicated
Tonnes
8000000

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-01T00:00:00.000Z

Reasoning: Base case scenario shows strong economic fundamentals.

Positive factors

  • Strong NPV
  • High IRR

Evidence · text

“At a base case eight-million-tonne-a-year scenario, Mt Mulgine has a net present value (NPV) of A$6.8-billion (before tax) and internal rate of return (IRR) of 55%”

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.