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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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Additional articles that might interest you...

The Strange History of the Utica Mine


In the summer of 1854, John Selkirk, a discouraged placer miner who was down on his luck and ready to go back to Massachusetts, tied his mule up in a gulch north of what is now downtown Angel's Camp.

The Giant King Mine


Most gold-bearing veins in this region are controlled by fractures associated with the Melones Fault, a late Cretaceous structure that is 108 to 127 million years old.

California's Mother Lode Quartz Veins


The actions of the hot, ore-bearing solutions are not limited only to the deposition of material within the walls of the fissures.

The Struggle to Reopen Alaska's Largest Gold Mine


The historical AJ mine, located east of Juneau, Alaska, was considered the largest gold mine in the state at one time. Joe Juneau and Richard Harris struck gold there in 1880, and it has been more recently known as a tourist destination.

The Heavy Minerals in Your Concentrates


The fact that mineral deposits can contribute specific types of heavy minerals is why the analysis of the heavy mineral concentrates in the streams of an area can be an important prospecting technique for finding undiscovered mineral deposits.

The Silver Islet Mountains of Utah


Apparent fault offset.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.

Over the Divide: John A. Miscovich


Mining “giant” John A. Miscovich died August 22, 2014, at the age of 96. He was the well-known inventor of the “Intelligiant” water cannon.

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