Target Gold Mine, South Africa
Key Data:
Producer of
Gold
Location
Between Welkom and Bothaville, Free State province, South Africa
Ownership
Harmony Gold Mining Co. (100%)
Geology type
Precambrian metamorphosed palaeo-placer quartz-pebble conglomerate reef horizons
Mineral type
Native gold plus silver
Reserve base
18.1Mt containing 3.8Moz of gold (proven and
Annual production
350,000oz/y planned over at least 15 years’ mine life
Mining method
Underground trackless mining, including long-hole open stoping, cut-and-fill and drift-and-fill; conventional narrow-stope de-stressing before bulk mining
Processing method
Primary crushing underground, followed by SAG milling, centrifugal gravity concentration, cyanide leaching, carbon-in-pulp adsorption, elution and electrowinning to produce doré bars for refining
Employment
1,000
Key Equipment:
Underground
Sandvik development drilling jumbos
Sandvik Solo long-hole drilling rigs
Sandvik load-haul-dump machines
Walter-Becker materials transport monorails
Decline conveyor system
Hitachi refrigeration plant
Prostar communications and mine control system
Concentrator
Nordberg underground crushers
Svedala SAG mills
Anglo American Research Laboratories gold electrowinning system
