History & Geology
The Oquirrh Mountains, Utah
July 2013 by Bill Rich
...we will visit three dormant mining districts that lie in the Oquirrh Range in Utah. Some major activity that transformed the lives of thousands of people occurred here from the mid 1860s to the late 1990s.
The Gold, Silver and Base Metal Mines of Eureka, Nevada
...the area around Eureka, Nevada is well mineralized and seems to have a bright potential for future production of all sorts of metals.
Ancient River Channels of Trinity County
Trinity County is located in the far northwest corner of California and stirs up many different memories for those who have been there.
Nevada's Lithium Boom
When prospecting for lithium, after confirming for macro attributes through research and field work, including examination of surface geology, the main tool is an accurate lithium assay.
Why Did This Silver Mine Close? - Pt III
Narrowing down a closure date will allow you to check the commodity price during that time and possibly confirm that a low price, rather than a lack of ore, was the driving force that closed the operation.
Kennecott Copper Mine, Kennecott, Alaska
For approximately 30 years, the mines produced good ore, some so rich it was simply sent straight to bagging, bypassing milling and loaded directly on the rail cars.
The Long Road to Gold Point, Nevada
Apart from the hard rock mines, there are abundant gold-bearing placers, especially in the areas in and around Oriental Wash.
WSGS Releases New Geologic Maps
The Wyoming State Geological Survey announced ten new geologic maps have been completed and are now available.
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• Romancing the Rock
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• Melman on Gold & Silver
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