The Top 5 MineralProducing States USGS
Apr 14, 2017· Also holding its 2015 rank is Arizona, which takes the silver medal for mineral production value. Arizona leads the country in copper production and is one of the primary sources of molybdenum as well. In fact, Arizona''s molybdenum wealth is largely related to its copper wealth, as the molybdenum is recovered as a byproduct of the copper mining.