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Australia
Windimurra Mine

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 Location:
70 km SE from Mount Magnet, Australia

  Address:
Level 6 40 The Esplanade
PO Box Z5431 St Georges Terrace WA 6831
Perth
Western Australia, Australia
6000
Phone  ...  Subscription required
Fax+61-8-6141-7101
EmailEmail
WebsiteWeb
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Overview

StatusCare and Maintenance
Mine TypeOpen Pit
Commodities
  • Vanadium
Mining Method
  • Truck & Shovel / Loader
Mine Life31 years (as of Jan 1, 2020)
Windimurra is a fully approved world class vanadium operation with historic investment in plant and infrastructure in excess of A$700 million.

The Windimurra project is currently on care and maintenance with a structured program in place to maintain the plant and infrastructure at the site in operating condition.


Owners

Source: p. 1
CompanyInterestOwnership
Atlantic Ltd. 100 % Indirect
Atlantic Vanadium Pty Ltd. 100 % Direct
In May 2016, Atlantic Vanadium Pty Ltd (AVPL), a wholly-owned subsidiary of Atlantic, completed the acquisition of the Windimurra vanadium project.

Contractors

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Deposit Type

  • Intrusion related


Summary:

Geology
The Windimurra vanadium deposit is hosted within the Shepherd's Discordant Zone (SDZ), which is part of the Windimurra complex. The SDZ is characterised by magnetite and magnetite-bearing gabbro, which is a transgressive sill like body extending over a strike length of 45 kilometres and having a thickness ranging from 500 metres to 600 metres. It is up to 1 kilometres wide at surface. The magnetite is titano-magnetite containing 10% to 20% TiO2 as ilmenite.

The Project is located in the north of the SDZ in the Hawkstone Ridge and Shepherd's Hill areas that show progressive upwards fractionation consisting of anorthositic magnetite gabbro and numerous magnetite layers and lenses from 5 centimetres to 2 metres thick. The lower 150 metres of this succession contains the vanadium deposit.

The vanadium titanomagnetite (VTM) bearing gabbro is deeply weathered down to about 50 metres below the present surface. From fresh rock, weathering passes upwards through a zone of saprock up to 5 metres thick, into saprolite (30 metres to 40 metres thick), then to a mottled clay zone 3 metres to 10 metres thick. A lateritic caprock up to 5 metres thick has largely been eroded except in the vicinity of Hawkstone Ridge. The base of complete oxidation is about 30 metres below surface.

The magnetite-bearing gabbro is more susceptible to weathering than the magnetite. Fibrous and spotty goethite appears from the weathering of magnetite and other iron-b ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

Mining at Windimurra involves simple open cut mining undertaken using traditional load and haul equipment operating on day shift only. An extremely low life of mine (LOM) strip ratio of 1 tonne of waste per 1 tonne of ore is achieved by the robust and flexible design of the crushing, milling and beneficiation (CMB) circuit which enables effective processing of both the massive magnetite lenses and the disseminated magnetite hosted in fresh and weathered gabbro material.


Crushing and Grinding


Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Production:

CommodityUnitsAvg. Annual (Projected)
V2O5 t 7,608
All production numbers are expressed as flake.

Operational Metrics:

Metrics2020
Stripping / waste ratio  ......  Subscription required
Annual milling capacity  ......  Subscription required
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Reserves at November 1, 2019:
The total ore reserve is currently 87.5 million tonnes at 0.49% V2O5, using a lower cut-off of approximately 0.3% V2O5.
The total resource is 209.7 million tonnes at 0.50% V2O5, using a lower cut-off of 0.28% V2O5.

CategoryTonnage CommodityGrade
Probable 87.5 Mt V2O5 0.49 %
Measured 34.6 Mt V2O5 0.49 %
Indicated 123.5 Mt V2O5 0.5 %
Inferred 51.6 Mt V2O5 0.5 %
Total Resource 209.7 Mt V2O5 0.5 %



Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Dec 8, 2022
....................... Subscription required ....................... Subscription required Subscription required Dec 8, 2022
....................... Subscription required ....................... Subscription required Subscription required Dec 8, 2022
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Corporate Filings & Presentations:

DocumentYear
Project Description 2018
Annual Report 2013
Corporate Presentation 2010
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