摘要
A massive deposit of RE-minerals wasdiscovered recently in Mianning County,in the southwest of Sichuan Province,China.Baotou Research Institute of RareEarth has been asked to carry out feasi-bility study involving mineralogicalstudy and ore processing.The ore body consists mainly of bast-nasite with small amount of parisite,chevkinite and xenotime.Besides,miner-als of lead,molybdenum and bismuth
