WORLDKINGS - Worldkings News - Asia Records Institute (ASRI) - Bayan Obo Mining District: Home to the world's largest deposits of rare-earth elements

02-07-2021

(WorldKings.org) Bayan Obo is the world's largest known REE deposit. The fluorite content of the ores also makes it the world's largest fluorite deposit.

Bayan'obo Mining District or Baiyun-Obo or Baiyun'ebo, is a mining town in the west of Inner Mongolia, People's Republic of China. It is under the administration of Baotou City, the downtown of which is more than 120 kilometres (75 mi) to the south.

The mines north of the town are the largest deposits of rare-earth metals yet found and, as of 2005, responsible for 45% of global rare-earth metal production.
Very large rare-earth elements (REE) Fe-Nb deposit (Bayan-Obo type), discovered as an iron deposit in 1927. REE minerals were discovered in 1936, and niobium-bearing ores in the late 1950s. Reserves are estimated at more than 40 million tons of REE minerals grading at 3–5.4% REE (70% of world's known REE reserves), 1 million tons of Nb2O5 and 470 million tons of iron. The deposit also contains an estimated 130 million tons of fluorite.

Bayan Obo is the world's largest known REE deposit. The fluorite content of the ores also makes it the world's largest fluorite deposit.


Brian (Collect & Edit) - WORLDKINGS (Source of photos : internet )

 

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