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BP Exploration Coal Mine, Kaltim Prima

Producer of



Eastern Kalimantan, Indonesia


PT Bumi Resources (100%); Government of Indonesia has a 13.5% royalty share

Geology type

Miocene (Recent) coal measures

Mineral type

High-volatile bituminous steam coal

Reserve base (2009)

1,222Mt (Sangatta), 217.5Mt (Bengalon)

Annual production

35Mtpa (Sangatta) and 5Mtpa (Bengalon)

Mining method

Multi-seam open pit

Coal processing

90% crushing and blending only; 10% dense-medium cyclones and spirals



Liebherr R996 hydraulic excavators

Hitachi EX3500 hydraulic excavators

Caterpillar 785 and 789B, 135-185 t haul trucks

Komatsu HD785, 85 t haul trucks

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