How Silver Are Mines | Silver Documentary - Prehistoric
Автор: Prehistoric
Загружено: 2017-07-24
Просмотров: 629
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How Silver Are Mines | Silver Documentary - Prehistoric.
Silver has been known since ancient times. Silver is mentioned in the Book of Genesis, and slag heaps found in Asia Minor and on the islands of the Aegean Sea indicate that silver was being separated from lead as early as the 4th millennium BC. The silver mines at Laurium were very rich and helped provide a currency for the economy of Ancient Athens. It involved mining the ore in underground galleries, washing the ores and smelting it to produce the metal. Elaborate washing tables still exist at the site using rain water held in cisterns and collected during the winter months.
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