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Australia
Karara Mine

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 Location:
210 SE from Geraldton, Western Australia, Australia

  Address:

PO Box 118
Perenjori
Western Australia, Australia
6620
Phone  ...  Subscription required
Fax+61-8-6298-1866
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Iron (magnetite)
  • Iron (hematite)
Mining Method
  • Truck & Shovel / Loader
Processing
  • Flotation
  • Magnetic separation
Mine Life35 years (as of Jan 1, 2017)
No mine operations data has been publicly available since Gindalbie Metals Limited(‘GBG’) was removed from the Official List of ASX Limited on 24 July 2019,in accordance with Listing Rule 17.11, following implementation of the scheme of arrangement between GBGand its shareholders in connection with the acquisition of all the issued capital in GBGby Angang Group Hong Kong (Holdings) Limited.
Latest NewsAnsteel moves closer to $25m Gindalbie acquisition     June 27, 2019


Owners & OPERATOR

 
CompanyInterestOwnership
Karara Mining Ltd. (operator) 100 % Direct
Ansteel Group Corporation Ltd. 100 % Indirect

Deposit Type

  • Banded iron formation


Summary:

Mt Karara magnetite mineralisation is confined to a magnetite banded iron formation (BIF) lithological unit that occurs within a tightly folded and structurally disrupted northeast trending syncline. The Mt Karara syncline is characterised by a thick western limb dipping steeply to the east and a thinner and more structurally complex eastern limb that dips less steeply to the west, and it is the thick western limb that hosts most of the interpreted mineralisation. Where drilling has penetrated the base of the BIF, the syncline structure is interpreted to plunge steeply to the north. The drilling coverage has allowed the Mt Karara deposit to be modelled to a strike length of approximately 3km and the main mineralised zone has a width of approximately 500m. The BIF has been interpreted to extend vertically to depths of >700m below the surface.


Mining Methods

  • Truck & Shovel / Loader


Summary:

Magnetite ore is mined from a large scale (12 m bench height) open pit mine in a traditional load and haul mining operation using conventional face shovels, large capacity (230 tonne) off-road haul trucks, a fleet of large diameter blast-hole drill rigs and a range of ancillary mobile mining equipment.

The project comprises a large, complex and fully integrated mining, processing and transport logistics operation designed to produce 8 Mtpa.


Crushing and Grinding


Processing

  • Flotation
  • Magnetic separation

Flow Sheet: Subscription required

Summary:

Magnetite ore known as Run-of-Mine (ROM) material is direct dumped by haul trucks from the mine into the primary crusher. Primary and secondary crushers crush the ROM ore to a product size of <60 mm. The crushed ore is then transferred to the Coarse Ore Stockpile (COS), which has a holding capacity of up to 500,000 tonnes of material for downstream processing.

Ore material from the COS is reclaimed by conveyor into a parallel train of two High-Pressure Grinding Rolls (HPGR’s), which grind the ore to a size of 4 mm or smaller. This ore material from the HPGRs is pumped in a slurry to a stage one magnetic separation. A high magnetic field allows separation of non-magnetic material to tailings. Magnetic material remains as a concentrate and is transferred to the primary grinding plant.

The primary grinding plant of four ball mills grinds the ore in slurry into fine particle sizes of <50 µm before further magnetic separation to produce a concentrated magnetite ore str ........

Recoveries & Grades:

CommodityParameter201820172016201520142013
Iron (magnetite) Concentrate Grade, %  ......  Subscription required65.565.865.863.968

Production:

CommodityUnits201820172016201520142013
Iron (magnetite) kt 7,8128,0677,0935,8633,3171,106
All production numbers are expressed as concentrate.
Subscription required - Subscription is required.

Operational Metrics:

Metrics201920182017201620152014
Annual production capacity  ......  Subscription required  ......  Subscription required
Ore tonnes mined  ......  Subscription required  ......  Subscription required19,772 kwmt17,313 kwmt13,480 kwmt8,595 kwmt
Subscription required - Subscription is required.

Reserves at June 30, 2013:

CategoryTonnage CommodityGrade
Probable 950.8 Mt Iron (magnetite) 36.2 %
Indicated 1,676 Mt Iron (magnetite) 36.1 %
Inferred 702 Mt Iron (magnetite) 35.3 %
Total Resource 2,378 Mt Iron (magnetite) 35.8 %


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jun 2, 2020
....................... Subscription required ....................... Subscription required Subscription required Jun 2, 2020
Subscription required - Subscription is required.

Staff:

Total WorkforceYear
Subscription required 2013

Corporate Filings & Presentations:

DocumentYear
Annual Report 2018
Annual Report 2017
Annual Report 2016
Annual Report 2015
Annual Report 2014
Annual Report 2013
Corporate Presentation 2013
Press Release 2008
Subscription required - Subscription is required.

News:

NewsDate
Ansteel moves closer to $25m Gindalbie acquisition June 27, 2019
Ansteel to acquire Gindalbie Metals in $25m deal March 12, 2019

Aerial view:

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