Bayan Obo Rare Earth Mine, Inner Mongolia, China
The Bayan Obo mine site is spread over 48km 2 in the Inner Mongolia Autonomous Region, on the northern edge of the North China Kraton, approximately 150km northwest of Baotou. Bayan Obo is a massive polymetallic rare earth element (REE) and iron ore deposit of hydrothermal origin. Mineralogy of the Bayan Obo ore