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Gold of the most metals famous and desire in the possession of VPL people either held for trading, and is due to the stability of its price in the world markets when buying and selling, gold is one of the first coins used in the Ages and ancient civilizations given precious and high value, and is still considered the gold-Qaeda most stable and widely used at the international monetary Fund and the Bank for international settlements cash, as gold is widely used in the manufacture of precious jewelry women because of its high value and Omenh bright yellow, which draws attention, as used by the ancient civilizations in making Costume kings, and the most famous pharaoh Tutankhamun mask which is considered a masterpiece made of pure gold. The whereabouts of the gold there is gold in nature in the form of raw element, so that exists in the earth layers of the Interior in the form of a yellow veins of shiny, also resides in the river bottom and seas within the rock in the form of yellow pills and clear to the eye, and frequent presence in the United States, specifically Guy California, and Alaska, Nevada, and the South Dakota, and the province of Ontario in Canada, and there are high quantities in South Africa in the rand area mixed with rocks Alkoonjlomirat so gold extracted them rate constitutes the equivalent of 40% of gold production in the world, in addition to its presence in the Western region from Australia, so I found the largest piece of gold ore in Australia weighing 2.280 ounce.How to extract goldSome extracts gold metal from the rocks where there are through the old traditional methods such as digging miners in search of gold and break up shiny rocks and Tngelha in search of yellow shiny metal, namely gold, are often found on the Gold coincidentally in the mines Find silver and copper, and the companies huge and business leaders and follow modern methods to extract gold through the work of geological studies of the areas where the gold in the ground layers of the Interior, and using huge and big machines digging deep pits in these areas and are extracting gold metal raw form with rocks and other minerals that stick to it. How gold purification helps high gold density purified from impurities and other metals stationed with him, and be done through cracking rocks that contain a gold component and expose it to the currents strong water and working to turn to get rid of dust and sand and impurities that surrounds the metal gold, with the survival of Gold in place due to the high density.
Methods
of gold extraction and purified the discovery of gold in the tunnels or
underground through modern devices that find hundreds of kilometers,
and after the drilling is find it and transferred to the laboratory and
treated chemically, or grinding it fully to turn into sand and then is
separated from the rest of rock types, the
way drawn on the sample size and the type of mixed metals with him and
represented in the sample, and methods of extraction: the use of modern
technology to separate the gold from the dust and other impurities
Ptareidah to strong water currents in the sieve forfeit dust and
impurities and remains the gold. The use of mercury in gold separated by dissolving the gold and then freeing it from mercury distillation process. Way or cyanide leaching or electrolysis.
