Oct 25, 2015· So Geo, why would not mining companies require their employees to do the same and break all rock to minus 2 inch if it reduces work and saves money? The big mining companies do not do this. Do you think you know something they do not? If they specified minus 2 inch, no primary crusher would be necessary and they could go directly to a ball mill.
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Gold mine enterprise C: In the process of gold ore mining and processing, ores before entering the crusher of the crusher contains a lot of metal components, not just the only gold element; the grade of the raw ore is not the same. Generally speaking, every tons of gold ore can be finally extracted only 2 to 10 grams of gold.
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Nov 23, 2012· Gold Mining Rock Crusher,Small Gold . Rock Crushing methods and How to recover gold from Ores. There is often some very small sized gold there and it can be a lot of . your own hand operated rock crusher, . of Placer Mining for Gold: Gold Mining Rock Crusher,Small Gold Crushers,Gold Grinding Mill Sale.
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