Specifications - Stillwater / East Boulder Platinum and Palladium Mines, MT, USA

Key Data
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
Key Equipment
Underground	Robbins TBMs
	Alimak raising equipment
	Terratec raise borer
Contractors	Thyssen Mining Construction of Canada
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