Semi-autogenous grinding: a comparison with the conventional route

CIM Bulletin, Vol. 72, No. 811, 1979

DEREK J. BARRATT, Senior Metallurgical Engineer, Wright Engineers Limited, Vancouver, B.C.

This paper compares a number of operating conventional and semi-autogenous grinding circuits and analyzes them in regard to operating and capital costs, specifically as applied to porphyry copper ores.
Keywords: Equipment, Grinding, Milling costs, Porphyry ores, Afton Mines, Island Copper Mines, Lornex Mining Corporation, Similkameen Mining Company, Pima Mining Company.