History & Geology
The Wild Rush to Find More Cobalt—Part I
February 2018 by Chris Ralph
While some future cobalt will come from recycling lithium batteries and other products, the coming huge need for cobalt is virtually a perfect storm of heavy demand and insufficient supply.
Greenstone and Gold

Diary of a Diamond Prospector

All About Native Silver
Some of the wire forms are strange and fantastic, with wires sticking out in twisted, seemingly random directions. Others have deformed crystals and all of them have significant value to collectors.
Exploring and Mining for Uranium

Gold in Quartz

The Strange History of the Utica Mine

Placer Mining At Chititu Creek, Alaska

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