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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.

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The Ely Copper-Gold District of Nevada


The main ore deposits of the Ely district are associated with an east-west belt of altered and mineralized rocks measuring about one mile wide that extends 8 miles westward from Ely.

The Pearce Mineralized Area, Dragoon Mountains, Arizona


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What Are Those Rocks In My Pan?


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The Geology of Diamond Deposits


New theories have been developed and they may lead to new discoveries and give prospectors some new insight on where to look for diamonds.

Bedrock Gold: When It’s There and When It Isn’t


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Detector Brings New Life to An Old Lode Mine


…it was immediately evident the previous owner had not been using a detector. During just a few months of working the dumps part-time, he recovered gold in quartz specimens valued in excess of $40,000.

Fabulous Florence—The Golden Town of Idaho


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