Gold is a metal which is quite interesting for the talk. Who does not know about gold metals everyone knows and understands that the metal gold is a precious metal. From year to year is always increase the selling price. Gold mostly used as a tool of jewelry, but in some countries also use gold as financial standards, as well as for electronic devices. The use of gold in monetary and financial field based on absolute monetary value of gold itself against various currencies around the world, although officially the world's commodity exchanges, the gold price listed in U.S. Dollars. Forms of use of gold in the monetary field is typically in the form of bouillon or gold bars in various units of weight grams to kilograms.
The formation of gold through a process magmatisme on the surface as well as activities vulkanisma making it a consequence of the existence of native gold movements in the earth's heat or thermal. Some of the sediment formed by the process metasomatisme contacts and hydrothermal solutions, while the mechanical activity produces Lay or placer deposits. And genesis of gold be categorized into two namely:
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