Evaluation of gold (au) particle distribution in Grasberg mine material of Freeport Indonesia: fire assay approach

Freeport Indonesia is one of Freeport-McMoRan Copper & Gold Inc. affiliate companies. conducted a series mining and exploration processes for ore containing gold, silver, copper. Grasberg the location in PT Freeport, Indonesia. This research aimed to determine distribution gold (Au) particles rock samples with relatively high content. The method used analyzing content was Fire Assay. results indicated that sample size affected Mine samples. An uneven tendency observed comparison Splitter Screen variations normal Au