Where is gypsum mined in the US?
Similarly, it is asked, how is gypsum mined and processed? Gypsum production process. Gypsum ore, from quarries and underground mines, is crushed and stockpiled near a plant. Asneeded, the stockpiled ore is further crushed and screened to about 50 millimeters (2 inches) in diameter. The ground gypsum exits the mill in a gas stream and is ...