The plant at the minesite
The ore body was first discovered in 1995. The mine was initially an open pit commenced in 2002 and converted to underground mining in 2005.
The mine has a reserve of 512,000 ounces of gold from a resource of 1 million ounces of gold as of June 2007. Henry Walker Eltin is the underground mining contractor.
Nature of Facility
Challenger Gold Mine is an underground gold mine and processing facility. The infrastructure covers an area of approximately 300 hectares and includes the processing plant, a mine village housing up to 140 personnel working a fly-in /fly-out roster, aerodrome, reagent and fuel storage facilities, offices, workshops, a laboratory, ancillary buildings and haul roads. Water is supplied from a process water borefield located approximately 3 kilometres west of Challenger. A diesel power station (PS1), supplies power to the treatment plant, and village. A secondary diesel power station (PS2) supplies power to the underground mine and surface ventillation fan.
The mine lease is located in the Far North of South Australia, 750 km NW of Adelaide within the Woomera Prohibited Area on the Jumbuck Pastoral Company lease. The site is either accessed by a 9 hr. drive along sealed and unsealed roads or by Air which takes approximately 1.5hrs by plane from Adelaide. The main access road is a private road and runs approximately 170 km west from the Stuart Highway
Production figures of the recent past were:
|Year||Production||Grade||Cost per ounce|
|2005-06||108,080 ounces||9.52 g/t||A$280|
|2006-07||108,191 ounces||9.66 g/t||A$309|
|2007-08||109,326 ounces||8.35 g/t||A$367|
|2008-09||98,755 ounces||7.54 g/t||A$438|
|2009-10 ||80,570 ounces||5.0 g/t||A$697|
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