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August 1999
Volume 51    Issue 8

New P.T. Freeport Mine ventilation system -- basic requirements (25 kt/day plan)

Mining Engineering, 1999, Vol. 51, No. 8, pp. 32-36
Calizaya, F.; Mulyadi, A.


ABSTRACT:
The ore deposit is located in the Province of Irian-Jaya, Indonesia. It includes over 100 Mt (110 million st) of ore with a grade in excess of 1% copper equivalent. Based on the ore reserves, the rock/ore characteristics, the geologic conditions of the surrounding rocks, etc., the deposit is suitable for block-cave mine operations.


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