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Samuel Franklin Hunt Nevada’s “Rio Tinto”

At the well-known Rio Tinto copper district, Huelva, in southwestern Spain, large quantities of copper were found beneath a gossan of hematite at an average depth of 100 feet. The deposits were first mined during Roman times.

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Ask the Experts—What is barite used for?


QCould you inform me as to what “barite” is used for? Where can I locate a company that mines barite?

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Taking on the EPA, Sasquatch, Ratchilla and Gold Dredging


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