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Gold in Gossan
March 2003 by Edgar B. Heylmun, PhD
Gossan is defined as being an iron-bearing capping over a sulfide deposit. It is formed by the oxidation and leaching of sulfide minerals, leaving hydrated iron oxides such as limonite and goethite, along with manganese oxides.
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Gold Prospecting and Mining Summit
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We have tentatively scheduled a date for next year’s show and we want you to know it’s not going to be on Easter weekend!
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Picks & Pans: Crevicing & Sniping for Placer Gold
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Even though there has recently been a decline in the prices for most of the precious metals, an increasing number of amateur prospectors are still finding that prospecting for precious metals is an exciting, enjoyable, and sometimes profitable occupation.
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The Bawl Mill
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- “...very valuable source of information...”
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Melman on Gold & Silver
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The most impressive fact about gold’s performance during 2016 is the yellow metal’s ability to withstand news shocks, hold on to previous gains and gradually move to new, higher levels.
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PGMs in California
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The occurrence of platinum-group metals (PGMs) is rather widespread in California in placer deposits, but they are not of commercial interest as things now stand.
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The Bawl Mill
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• Looking Back
