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Pictures Related To Gold Washing

2019-11-7late 15th and early 16th century mining techniques, de re metallica it is impossible to know the exact date that humans first began to mine gold, but some of the oldest known gold artifacts were found in the varna necropolis in bulgariae graves of the necropolis were built between 4700 and 4200 bc, indicating that gold mining could be at least 7000 years old.

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