REE enrichment process in the Bayan Obo Fe-REE-Nb deposit: Genetic and mineralogical evidence
SHEN Junfeng, YAN Guoying, ZHANG Mengmeng, WANG Zhaojing, XU Kexin, MENG Wenxiang
Earth Science Frontiers . 2023, (2): 370 -383 .  DOI: 10.13745/j.esf.sf.2022.10.40