History & Geology
A Journey Into the Silver Peak Range
June 2013 by Bill Rich
The Gold Rush in California called hundreds of thousands of souls to leave their homes to journey to the the far reaches of the West. At first the rich goldfields of the Sierra Nevada beckoned to these adventurous pioneers.Indicator Minerals for Gold & Silver
![](http://icmj.com/userfiles/images/201104/toc-mineral-id.jpg)
Electrum: Gold and Silver Together
![](http://www.icmj.com/userfiles/images/201601/16-Nevada_electrum.jpg)
The Goldfield Mining District, Nevada—Part II
The majority of the gold produced in Goldfield has come from ores that are close enough to the surface to be oxidized by the air. This oxidized ore is normally a soft, shattered, earthy material usually stained yellow to brown by oxides of iron.
Gold, Quartz & Chalcedony—Part I
![](http://icmj.com/userfiles/images/201110/toc-gold-quartz-chalcedony.jpg)
Eolian Gold Deposits
![](http://www.icmj.com/userfiles/images/201402/TOC-Eolian-gold.jpg)
Picks & Pans: Gold Recovery in Placer Mining Operations
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The Miner’s Switchback
Common thought is the switchback slows the velocity of the rushing water and gold drops out from the cut bank to a fill gravel bar within or below the switchback. I am not going to disregard that model; however, I hope to improve upon it.
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The Bawl Mill
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• Gold Rush in the Congo—Part II
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• Nevada Mining Tax Cap Repeal Clears Committee
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• The Birimian Greenstone Belts of West Africa