The USA was the fourth  largest world producer of gold  in 2009 with the most prosperous mining region located in the state of Nevada. Millions of years ago, hot springs laden with flecks of gold boiled up through deep fractures in the earth’s crust. But the golden residue did not accumulate in rich veins, instead, [...]


http://www.loretlargent.info/usa/carlin-trends-gold/2843/