barite mill and its parts and uses,
Mining 101: A brief history of the industry in Nevada - Las Vegas Sun
Feb 1, 2016 . Many nonmetallic bedded or layered deposits, such as gypsum and high calcium line, also are . Its purpose is to support a lode or placer mining claim operation. The maximum size of a mill site is 5 acres. • A tunnel . Zinc: Used in die casting, pennies, rubber, paints, automotive parts, electrical fuses.