History & Geology
Epithermal Gold and Silver Deposits
April 2017 by Chris Ralph
Epithermal deposits form in the ground at shallow depths. They are popular with prospectors because can yield very rich deposits and they are widespread in the Western US.
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The Silver Islet Mountains of Utah
January 2014
I set up my dry washer on the north side of the cut and sampled the bed rock and dumps around me. As I was only sampling, I ran for 20-30 minutes, shoveling from a variety of areas.
I set up my dry washer on the north side of the cut and sampled the bed rock and dumps around me. As I was only sampling, I ran for 20-30 minutes, shoveling from a variety of areas.
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Prospecting for lithium deposits can take a number of different directions, because this metal can be extracted from a variety of geologically differnet sources.
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A few quick calculations show that approximately 11 tons of gold are lost each year just in the manufacture of new cell phones.
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What Are Those Rocks In My Pan?
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The placer mineral identification key is designed to answer this question. It attempts to recognize all the minerals in your gold pan concentrates.
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The big interest to prospectors thinking about the effect of erosion is not what might happen long into the future, but what they might find in the rivers later this summer when the water levels go down.
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Gold, Quartz & Chalcedony—Part I
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Undiscovered Placer Deposits in Alaska
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These conditions don’t just apply to Alaska and the Yukon; they apply to western Canada and even to the mountainous western United States.
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