摘要
The Bayan Obo REE-Fe ore deposit is the most famous super-large REE deposit in theworld.It has attracted much attention of many geologists.However,there still exist somedivergences in the genesis of the deposit,metallogenic epoch and the origin of metallogenicmaterials.Although many methods,for example,Sm-Nd,U-Pb,Rb-Sr,K-Ar have beenused to determine the metallogenic age,the measured values have great changeable ranges,from 100 to 2000Ma.This is because it is difficult to find out the minerals or
基金
Project supported by the National Natural Science Foundation of China.
