Geothermal energy production is the fourth largest mineral category in Nevada in 2009, according to the newly released Economic Overview of Nevada's Mineral Industry, published by the Nevada Mining Association. Gold, silver, and copper were the top valued minerals produced in the state. [right, Beowawe geothermal power plant. Credit, Terra-Gen and Geothermal Energy Association]
Nevada dropped from 5th to 6th in world production of gold, even though proven and probable gold reserves increased from 70 million ounces to 75 million ounces in 2009.
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