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Stillwater Mining Company Platinum and Palladium Mine

Producer of

Platinum and palladium

Location

Montana, USA

Ownership

Stillwater Mining Co. (100%)

Geology type

Archaean mafic / ultramafic layered complex

Mineral type

Platinum group metals associated with sulphide minerals

Reserve base

Stillwater - 16.4Mt grading 21.6g/t Pt + Pd (2005); East Boulder - 21.7Mt grading 18.2g/t Pt + Pd (2005)

Annual production

554,000oz of Pd+Pt (2005)

Mining method

Underground manual, ramp-and-fill and sublevel stoping

Processing method

Crushing, grinding and flotation to recover a sulphide concentrate; subsequent smelting to produce matte for further refining

Employment

1,600

Underground

Robbins TBMs

Alimak raising equipment

Terratec raise borer

Contractors

Thyssen Mining Construction of Canada
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