This report highlights activities in 2021 in the exploration and production for metals, industrial minerals, geothermal energy, and petroleum. Once again Nevada led the nation in the production of gold ($8.098 billion) and barite ($27.288 million). It was also the only state that produced lithium compounds ($41.692 million), magnesite ($8.058 million), and the specialty clays, sepiolite and saponite ($11.839 million). Other commodities mined and produced in Nevada in 2021, in order of value, included copper ($687.677 million), geothermal energy ($318.748 million), aggregate (sand, gravel, and crushed stone) ($235 million), silver ($155.709 million), diatomite ($51.282 million), limestone and dolomite (mainly for cement, $36.488 million), gypsum ($49.643 million), silica ($18.174 million), and petroleum ($12.759 million). Locations of many of the sites mentioned in the text of this report are shown on NBMG Open-File Report 2021-01, Nevada Active Mines and Energy Producers, which is available at