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Gold Mine – Kanowna Belle – Western Australia

Producer of

Gold

Location

Near Kalgoorlie, Western Australia

Ownership

Barrick Gold Corp. (100%)

Geological setting

Lensoidal orebodies hosted in Archaean greenstones

Mineral type

Gold contained in sulphide ore, which is overlain by enriched oxide ore near surface

Reserve base/grades

2.4Moz in proven and probable reserves, plus 1.1Moz in measured and indicated resources

Annual production

4.5Mt ore and 490,000oz gold (2005)

Mining method

Initial open pit (1993–1998) followed by underground mine development; all mining and development is contracted

Recovery method

Crushing, SAG milling and flotation to produce concentrate feed for roasting; gold recovery by cyanide leaching and electrowinning

Employment

290 plus 30 contractors' staff

Underground

Atlas Copco Rocket Boomer 322S development drill rig

Atlas Copco Simba production drill rigs

Atlas Copco Boltec 335SH rockbolting rig

Atlas Copco Wagner MT5000 50t mine trucks

Atlas Copco Wagner ST1800 load-haul-dumps

Caterpillar 775 haul trucks

Concentrator

Jaques crushers

ANI SAG mill

Wemco flotation cells

Dorr-Oliver roaster
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