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Epitaxy of rare earth element fluorcarbonate minerals from carbonatite dyke at Bayan Obo, Inner Mongolia, China

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Chinese Science Bulletin

Abstract

Rare earth element fluorocarbonate minerals such as bastnaesite and parisite are firstly discovered in carbonatite dykes from Bayan Obo, Inner Mongolia, China. Bastnaesite rarely occurs as homogeneously single crystal, but contains microfine phase of parisite. They form regular intergrowth along (0001) plane net, which is identified as epitaxy. This eptactic texture results from the variation of chemical composition of crystallizing agents of those minerals that crystallize directly from carbonatite magma.

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Authors and Affiliations

  1. Department of Earth and Space Sciences, University of Science and Technology of China, 230026, Hefei, China

    Xueming Yang, Xiaoyong Yang & Minglong Zou

  2. The Advanced Center for Earth Science and Astronomy, Chinese Academy of Sciences, 230026, Hefei, China

    Xueming Yang, Xiaoyong Yang & Minglong Zou

  3. Institute of Geology, Chinese Academy of Sciences, 100029, Beijing, China

    Peishan Zhang & Kejie Tao

  4. Anhui Institute of Experimental Geology, 230006, Hefei, China

    Shuangxi Chen

  5. Department of Geology, University of Leicester, LEI 7RH, Leicester, UK

    M. J. Le Bas, R. N. Wilson & R. Ranson

  6. The Natural History Museum, SW7 SBD, London, UK

    L. S. Campbell, T. C. Williams & P. Henderson

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  1. Xueming Yang
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  2. Peishan Zhang
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  3. Kejie Tao
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  4. Xiaoyong Yang
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  5. Shuangxi Chen
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  6. Minglong Zou
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  7. M. J. Le Bas
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  8. R. N. Wilson
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  9. R. Ranson
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  10. L. S. Campbell
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  11. T. C. Williams
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  12. P. Henderson
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Yang, X., Zhang, P., Tao, K. et al. Epitaxy of rare earth element fluorcarbonate minerals from carbonatite dyke at Bayan Obo, Inner Mongolia, China. Chin.Sci.Bull. 43, 1107–1111 (1998). https://doi.org/10.1007/BF02883082

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  • DOI: https://doi.org/10.1007/BF02883082

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