 | Yang, Zhuming, Smith, Martin, Henderson, Paul, LeBas, Michael J., Tao, Kejie, Zhang, Peishan (2001) Compositional variation of aeschynite-group minerals in the Bayan Obo Nb-REE-Fe ore deposit, Inner Mongolia, China. European Journal of Mineralogy, 13 (6) 1207-1214 doi:10.1127/0935-1221/2001/0013-1207 | Journal (article/letter/editorial) | | aeschynite-group minerals in the Bayan Obo Nb-REE-Fe ore deposit, Inner Mongolia, China ZHUMING YANG 1, MARTIN...Academy of Sciences, P.O. Box 9825, Beijing 100029, China. e-mail: yangzhm@igcas.igcas.ac.cn 2 Department...aegirine-fluorite-dolomite- aeschynite vein in the Bayan Obo Nb-REE-Fe deposit show complex compositional zoning in...aeschynite-(Ce), aeschynite-(Nd), nioboaeschynite-(Ce) and nioboaeschynite-(Nd). The correlations among cations...charge-balanceddescribed by the exchange vectors as CaNb(Nd,Sm,Pr)-1Ti-1 and LaNbTh-1Ti-1. The chondrite-normalized |  | | Journal (article/letter/editorial) | | is host to the Ashram Rare Earth Element (REE) Deposit, occurs within the Eldor Carbonatite Complex, Québec...REE-bearing minerals of the Ashram Deposit are monazite-(Ce) and monazite-(Nd), with lesser amounts of bastnaesite-(Ce)...bastnaesite-(Ce) and bastnaesite-(Nd). The minor and accessory mineral suite is characterized by the presence...Snbearing Nb-Ti-minerals (niobian rutile, nioboaeschynite, samarskite), barite, sphalerite, several uncommon...A-type granitoids. The mineralogy of the Ashram Deposit, compared to that of other carbonatites associated |
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