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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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The Bawl Mill   • January Issues Delayed For Weeks As USPS Searches Their Facility   • The Rocks That Burn: Is Oil Shale the Answer?—Part I   • Feds Move Oil Shale to Front Burner   • Basic Geology for the Independent Miner—Part II Recognizing and Understanding Rock Formations (Petrology)   • The Circle Goldfields   • New Montana Board Moves to Halt Mining   • Newmont Looks to Ghana   • PLP President Intervenes on Behalf of Dredgers   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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