History & Geology
Silver and Base Metal Deposits of the Pioche District
June 2014 by Chris Ralph

Green Valley Gold District, Payson, Arizona

Prospecting With The Help of Fluvial Geomorphology

The Ely Copper-Gold District of Nevada

Placer Mining At Chititu Creek, Alaska

Prospecting for Diamonds
Let’s take a look at diamonds and diamond mining and see how they form, how they are used beyond just jewelry, and what leads geologists to find diamond deposits.
Alaska: Kodiak Islands Mineral Resources

Confluence Placers

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