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Picks & Pans: George Duffy Jr.—Pocket Miner Extraordinaire
September 2004 by Jim Straight
During the Miocene and Pliocene mid-Tertiary Epochs, the Great Basin, Mojave, and Sonoran deserts within parts of California, Nevada, and Arizona became the source—the genesis—of ubiquitous epithermal “precious metal” fissure-gold veins associated with extensive acidic volcanic lava flows that blanketed much of the Cordillera during this time.Crumb Hunting With A VLF Detector
Chris got a nice target signal on the edge of rising bedrock, but still in a low, but washed area. After breaking up the bedrock, he recovered several pieces of gold amounting to almost three pennyweight.
Glaciers and Placer Gold Deposits
Here we examine where and why placers are found in glaciated landscapes from the Ice Ages.
Honda Pares Down Use of Precious Metals in Autos
Honda Motor Co. said it will begin using new catalytic converter technology it believes will slash use of pricey precious metals in auto emission-control systems by 50 to 70 percent.
El Paso Mountains Mining History
The El Paso Mountains of California are located in the extreme northwestern portion of the Mojave Desert, between Highways 14 and 395, about twenty miles southwest of China Lake. The area is rich in mining history, not far from the great Randsburg district gold mines that are still producing today.
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