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Thinman13

08/26/14 3:50 PM

#54727 RE: Dunphy777 #54717

First we have to clarify what is meant by "placer". Basically any alluvial mineral deposit which can be mined without tunneling is a placer mine. Think open-pit. Nevada produces about 80% of the gold mined in the US and most of it is from open-pit mines.
Here is a Wikepedia quote:

"Nevada is now the leading gold-producing state in the nation, in 2007 producing 80% of the gold mined in the United States.[5] Almost all the gold in Nevada comes from large open pit mining and cyanide heap leaching recovery. A number of major mining companies, such as Newmont Mining, operate gold mines in the state. Active gold mines include Jerritt Canyon and the Getchell Mine.

Newmont Mining Corporation and Barrick Gold Corporation operate several large mines on the prolific Carlin Trend or Carlin Unconformity, which is one of the worlds richest mining districts. Gold Standard Ventures is currently exploring the Railroad project on the southern portion of the Carlin Trend, within the historic Bullion Mining District."