History & Geology
Critical Metals: Lithium
February 2014 by Chris Ralph

WSGS Releases New Geologic Maps
The Wyoming State Geological Survey announced ten new geologic maps have been completed and are now available.
Eolian Gold Deposits

Heavy Sands Mining
Lately my mind has been involved with group 4 of the transition elements, namely titanium, zirconium, and hafnium. They all have similar chemical properties. Of greatest interest to economic geologists and miners is that these valuable elements often occur together in sands.
Large Gold Deposit Types
It is not necessary to have a PhD in geology, but you need to know the basics, so that’s what I am going to try to dig into here—the understandable basics of these gigantic gold deposits.
Can You Recognize Valuable Ores?

The Pearce Mineralized Area, Dragoon Mountains, Arizona—Part II
There are many prospects within the known mineralized area and along the margins of the mineralized area that should be examined for gold and silver.
The Pearce Mineralized Area, Dragoon Mountains, Arizona

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