Crusher used in Copper Porphyry gold-bearing (Cu-Au) Ore

FOR IMMEDIATE RELEASE
(Free-Press-Release.com) January 11, 2012 --

A Chilean copper mine works one of the lowest grade copper porphyries to be mined in Chile. This, of course, means that the processing plant must crush very large quantities of ore at the absolute minimum expense. All material is intended to be trucked to the existing underground stone crusher. The primary crusher situated at the stockpile area reduces the ore to minus 200 mm. The ore is then transported to the plant by a 1-km-long conveyor where it is stored in a 3 500 ton silo. A carbon-in-pulp process is used to recover the gold from 110 000 t of ore per month. Approximately 90% of the gold is recovered, that contained within the maldonite being unresponsive to cyanidisation. The bulk liberation size of the gold is 5 to 10 mm.
The open pit mine operates by conventional open pit methods.

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