how to extract gold from black sand with mercury In the category gold discovery more articles and learn more information about how to extract gold from black sand with mercury Reviews Price Specifications Features Image manuals videos Accessories All this in metal detectors for gold.
how to extract gold from black sand with mercury
Panning for gold is not as easy as many people think . This procedure involves a number of difficult actions. How to extract gold from the sand ? The answer to the question is very interesting and encompasses several options precious metal mining .
Several ways to help extract gold :
– Washing of sand in the water stream . In this way, enjoyed a very long time, but in some regions of the gold mined in this way. Gold is heavier than water , so the water washes away the lighter sand and gold grains can not wash away . Gravel was placed on an inclined chute . Under a stream of water light sand washed away , and the gold particles remained .
– Washing of sand using sheepskin . Gold dust sprinkled on the skin and washed with water. Grains of gold deposited on the skin , they can be easily seen . This method reflects the myth of the Golden Fleece .
– Processing of auriferous sand on dredges . Large structures treated sand containing gold. In this year the construction processes about a million tons of sand . Take this sand from the bottom of rivers and lakes. To date, the gold-bearing sand is low , so most of the gold is mined ore. Ore mining method is very complex and expensive .
Gold has always lured people , so when its production is not only used modern methods .
how to extract gold from black sand with mercury
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