Powered by a 500-kilowatt diesel generator, the mine will use a gravity separation process to sift the gold, silver and copper ... by Nevada Milling & Mining, is to produce gold at an old mine ...

In 1848 the first of these old mines was discovered, and in it was found a mass ot pure copper, weighing six tons, which had been raised by ancient wedges, and rolled along the gallery.

The move, focused on Nevada and New Mexico, is aimed at removing “burdensome” restrictions on energy and mineral development, ...

Copper may be even more crucial to the nation ... a geologist and the director of the Nevada Bureau of Mines and Geology. “Mining historically has not had a good reputation for doing the ...