Digging for gold and other precious metals

Where do the metals we use come from and what determines where we get them from? Dr Julie Robson focuses on the highly sought-after metal of gold, which actually occurs with other metals including silver, copper and lead.

More than 40 million people work in artisanal mining, digging precious ore by hand: report - The Japan Times

Digging for Gold Mining Stocks

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This country is digging in sewage to find millions of gold and silver