Although devastating to the environment this gold mining method allowed miners was used during many of the gold rushes around the world during the 1800s process it through sluice boxes or other equipment to extract the placer gold
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Gold ore whose types of deposits are diverse and complex is the mineral assemblage of gold. With features of chalcophile affinity and high melting point, the gold ore includes conglomerate type, porphyry type, quartz vein type and volcanic rock type, etc.
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