Abstract
Ba-REE fluorcarbonate minerals from a carbonatite dyke at Bayan Obo, Inner Mongolia, North China, are first reported in this contribution, in which chemical composition, rare earth element (REE) patterns, and intergrowth relationships for these minerals have been investigated. Syntactic intergrowth or syntaxy between cebaite and cordylite, as well as cordylite and huanghoite were observed. This syntactic texture resulted from the variation of chemical composition of crystallizing agents for those minerals that crystallized directly from carbonatite magmas. It is worth noting that REE patterns of the Ba-REE fluorcarbonate minerals in the dyke are similar to those of the corresponding minerals from the ore hosted dolomite marble of the Bayan Obo giant REE-Nb-Fe mineral deposit, which implies their relation in origin.
Similar content being viewed by others
References
Le Baa, M. J., Keller, J., Tao, K.et al., Carbonatite dykes at Bayan Obo, Inner Mongolia, China,Mineral. Petrol., 1992, 46: 195.
Le Bas, M. J., Spiro, B., Yang Xueming, Oxygen, carbon and strontium isotope study of the carbonatitic dolomite host of the Bayan Obo Fe-Nb-REE deposit, Inner Mongolia, N China,Mineral. Mag., 1997, 61: 531.
Yuan, Z., Bai, G., Wu, C.et al., A Geological features and genesis of the Bayan Obo REE ore deposit. Inner Mongolia, China,Applied Geochem., 1992, 7: 429.
Yang Xueming, Zhang Peishan, Tao, Kejieet al., Epitaxy of m earth element fluorcarbonate minerals from carbonatite dyke at Bayan Obo, Inner Mongolia, China,Chinese Sci. Bull., 1998, 43(13): 1107.
Miyawaki, R., Nakai, I., Crystal structures of rare-earth mienrals.,Rare Earth, The Rare Earth Society of Japan, 1987 (11): 14.
Miyawaki, R., Nakai, I., Crystal structures of rnre-earth minerals,Rare Earths, The Rare Earth Society of Japan, 1988, 13: 3.
Li Fanghua, Fan, H., Zhang, P.et al., Application of X-ray energy spectrum in the study on Ba-REE fluorocarbonate minerals,Acta Physics Sinica (in Chinese), 1983, 32(4): 460.
Meyer, R. J.,Gmelin Handbook of Inorganic Chemistry (8th ed.), Berlin: Springer-Verlag, 1984, 89–149.
Zhang Peishan, Yang Zhuming, Tao Kejieet al., Mineralogy and Geology of Rare Earth Elements in China, Beijing: Science Press, 1995, 1–209.
Yang Xueming, Yang Xiaoyong, Zou Minglonget al., Genetic mineralogical study of carbonate minerals from Bayan Obo, Inner Mongolia, North China,Acta Petrologica et Mineralogica (in Chinese), 1997, 16(Suppl): 50.
Zhang, Z. Q., Tang, S., Wang,J. et al., New data of the formation ages for the Bayan Obo REE deposit,Acta Geoscientica Sinica (in Chinese), 1994(1–2): 85.
Chao, E. C. T., Tasumoto, M., Minkin, J. A.et al., Multiple lines of evidence for establishing the mineral paragenetic sequences of the Bayan Obe rare earth ore deposit of Inner Mongolia, China, inProceedings of Internationol Assciation on the Genesis of Ore Deposite, 8th Symposium Volume, Stuttgart: E. Schweizerbart, 1993, 53–73.
Author information
Authors and Affiliations
About this article
Cite this article
Yang, X., Yang, X., Chen, S. et al. New occurrence of Ba-REE fluorcarbonate minerals at Bayan Obo, Inner Mongolia, North China, and their mineralogical features. Chin.Sci.Bull. 44, 1419–1423 (1999). https://doi.org/10.1007/BF02885996
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF02885996