Gold extraction - WikipediaGold extraction refers to the processes required to extract gold from its ores. This may require a . Hydraulic mining was used widely in the Californian gold rush, and involved breaking down alluvial deposits with high-pressure jets of water. . Native gold can occur as sizeable nuggets, as fine grains or flakes in alluvial.what can gold ore be used for,Photos of gold ores, quartz, telluride gold ore and gold specimensExamine photos of natural gold ores and telluride gold specimens mined . This piece of gold ore does not look very spectacular, but millions of tons of this material .. Some samples of Nagyagite have given upon analysis 12.75 per cent gold.
what can gold ore be used for