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Bayan Obo |
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Inner Mongolia, China |
| Main commodities:
REE Fe
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The most recent source geological information used to prepare this description was dated: 2012.
Record last updated: 13/07/2015
This description is a summary from published sources, the chief of which are listed below. © Copyright Porter GeoConsultancy Pty Ltd. Unauthorised copying, reproduction, storage or dissemination prohibited.
Bayan Obo
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Chen, W., Liu, H.-Y., Lu, J., Jiang, S.-Y., Simonetti, A., Xu, C. and Zhang, W., 2020 - The formation of the ore-bearing dolomite marble from the giant Bayan Obo REE-Nb-Fe deposit, Inner Mongolia: insights from micron-scale geochemical data: in Mineralium Deposita v.55, pp. 131-146.
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Deng, M., Xu, C., Song, W., Tang, H., Liu, Y., Zhang, Q., Zhou, Y., Feng, M. and Wei, C., 2017 - REE mineralization in the Bayan Obo deposit, China: Evidence from mineral paragenesis: in Ore Geology Reviews v.91, pp. 100-109.
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Drew L J, Meng Qingrun, Sun Weijun 1990 - The Bayan Obo iron-rare-earth-niobium deposits, Inner Mongolia, China: in Lithos v26 pp 43-65
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Fan, H.-R., Hu, F.-F., Yang, K.-F., Piranjo, F., Liu, X. and Wang, K.-Y., 2014 - Integrated U-Pb and Sm-Nd geochronology for a REE-rich carbonatite dyke at the giant Bayan Obo REE deposit, Northern China: in Ore Geology Reviews v.63, pp. 510-519.
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Fan, H.-R., Xie, Y.-H., Wang K.-Y. and Wilde, S.A., 2004 - Methane-rich fluid inclusions in skarn near the giant REE-Nb-Fe deposit at Bayan Obo, Northern China: in Ore Geology Reviews v25 pp 259-283
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Fan, H.-R., Yang, K.-F., Hu, F.-F., Liu, S. and Wang, K.-Y., 2016 - The giant Bayan Obo REE-Nb-Fe deposit, China: Controversy and ore genesis: in Geoscience Frontiers v.7, pp. 335-344.
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Hu, L., Li, Y.-K., Wu, Z.-J., Bai, Y. and Wang, A.-J., 2019 - Two metasomatic events recorded in apatite from the ore-hosting dolomite marble and implications for genesis of the giant Bayan Obo REE deposit, Inner Mongolia, Northern China: in J. of Asian Earth Sciences v.172, pp, 56-65.
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Huang, X.-W., Zhou, M.-F., Qiu, Y.-Z. and Qi, L., 2015 - In-situ LA-ICP-MS trace elemental analyses of magnetite: The Bayan Obo Fe-REE-Nb deposit, North China: in Ore Geology Reviews v. 65, pp. 884-899.
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Lai, X., Yang, X., Santosh, M., Liu, Y. and Ling, M., 2015 - New data of the Bayan Obo Fe-REE-Nb deposit, Inner Mongolia:Implications for ore genesis: in Precambrian Research v.263, pp. 108-122.
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Lai, X.-D. and Yang, X.-Y., 2013 - Geochemical characteristics of the Bayan Obo giant REE-Nb-Fe deposit: Constraints on its genesis: in J. of South American Earth Sciences v.41, pp. 99-112.
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Lai, X.-D., Yang, X.-Y. and Sun, W.D., 2012 - Geochemical constraints on genesis of dolomite marble in the Bayan Obo REE-Nb-Fe deposit, Inner Mongolia: Implications for REE mineralization: in J. of Asian Earth Sciences v.57, pp. 90-102.
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Lai, X.-D., Yang, X.-Y., Liu, Y. and Yan, Z.-Q., 2016 - Genesis of the Bayan Obo Fe-REE-Nb deposit: Evidences from Pb-Pb age and microanalysis of the H8 Formation in Inner Mongolia, North China Craton: in J. of Asian Earth Sciences v.120, pp. 87-99.
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Li, X.-C., Fan, H.-R., Su, J.-H., Groves, D.I., Yang, K.-F. and Zhao, X.-F., 2024 - Giant Rare Earth Element Accumulation Related to Voluminous, Highly Evolved Carbonatite: A Microanalytical Study of Carbonate Minerals From the Bayan Obo Deposit, China: in Econ. Geol. v.119, pp. 373-393. doi: 10.5382/econgeo.5060.
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Ling, M.-X., Zhang, H., Li, H., Liu, Y,-L., Liu, J., Li, L.-Q., Li, C.-Y., Yang, X.-Y., and Sun, W., 2014 - The Permian-Triassic granitoids in Bayan Obo, North China Craton: A geochemical and geochronological study: in Lithos v.190-191, pp. 430-439.
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Liu, S., Fan, H.-R., Yang, K.-F., Hu, F.-F., Wang, K.-Y., Chen, F.-K., Yang, Y.-H., Yang, Z.-F. and Wang, Q.-W., 2018 - Mesoproterozoic and Paleozoic hydrothermal metasomatism in the giant Bayan Obo REE-Nb-Fe deposit: Constrains from trace elements and Sr-Nd isotope of fluorite and preliminary thermodynamic calculation: in Precambrian Research v.311, pp. 228-246.
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Liu, Y,-L., Fan, H.-R., Yang, K.-F., Hu, F.-F., Rusk, B., Liu, X., Li, X.-C., Yang, Z.-F., Wang, Q.W. and Wang, K.-Y., 2018 - Fenitization in the giant Bayan Obo REE-Nb-Fe deposit: Implication for REE mineralization: in Ore Geology Reviews v.94, pp. 290-309.
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Liu, Y,-L., Ling, M.-X., Williams, I.S., Yang, X.-Y., Wang, C.Y. and Sun, W., 2018 - The formation of the giant Bayan Obo REE-Nb-Fe deposit, North China, Mesoproterozoic carbonatite and overprinted Paleozoic dolomitization: in Ore Geology Reviews v.92, pp. 73-83.
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Lu, J., Chen, W., Ying, Y., Jiang, S. and Zhao, K., 2021 - Apatite texture and trace element chemistry of carbonatite-related REE deposits in China: Implications for petrogenesis: in Lithos v.398-399, 20p. doi.org/10.1016/j.lithos.2021.106276
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Nie, F.-J., Jiang, S.-H., Su, X.-X. and Wang, X.-L., 2002 - Geological features and origin of gold deposits occurring in the Baotou-Bayan Obo district, south-central Inner Mongolia, Peoples Republic of China: in Ore Geology Reviews v21 pp 139-169
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Pirajno, F., 2014 - Intracontinental anorogenic alkaline magmatism and carbonatites, associated mineral systems and the mantle plume connection: in Gondwana Research v.27, pp. 1181-1216.
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Ren, Y., Yang, X., Wang, S. and Ozturk, H., 2019 - Mineralogical and geochemical study of apatite and dolomite from the Bayan Obo giant Fe-REE-Nb deposit in Inner Mongolia: New evidences for genesis: in Ore Geology Reviews v.109, pp. 381-406.
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Smith M and Chengyu W, 2000 - The Geology and Genesis of the Bayan Obo Fe-REE-Nb Deposit: A Review: in Porter T M (Ed), 2000 Hydrothermal Iron Oxide Copper-Gold & Related Deposits: A Global Perspective PGC Publishing, Adelaide v.1 pp. 271-281
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Smith M P, 2007 - Metasomatic silicate chemistry at the Bayan Obo Fe-REE-Nb deposit, Inner Mongolia, China: Contrasting chemistry and evolution of fenitising and mineralising fluids: in Lithos v93 pp 126-148
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Smith M P, Henderson P 2000 - Preliminary fluid inclusion constraints on fluid evolution in the Bayan Obo Fe-REE-Nb deposit, Inner Mongolia, China: in Econ. Geol. v95 pp 1371-1388
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Smith M P, Henderson P 1999 - Fluid inclusion constraints on the genesis of the Bayan Obo Fe-REE-Nb deposit: in Stanley, et. al., (Eds), Mineral Deposits: Processes to Processing Balkema, Rotterdam pp 103-106
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Smith, M.P., Campbell, L.S. and Kynicky, J., 2015 - A review of the genesis of the world class Bayan Obo Fe-REE-Nb deposits, Inner Mongolia, China: Multistage processes and outstanding questions: in Ore Geology Reviews v.64, pp. 459-476.
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Smith, M.P., Moore, K., Kavecsanszki, D., Finch, A.A., Kynicky, J. and Wall, F., 2016 - From mantle to critical zone: A review of large and giant sized deposits of the rare earth elements: in Geoscience Frontiers v.7, pp. 315-334.
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Sun, J., Zhu, X., Chen, Y. and Fang, N., 2013 - Iron isotopic constraints on the genesis of Bayan Obo ore deposit,Inner Mongolia, China: in Precambrian Research v.235, pp. 88-106.
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Tian, P., Gao, P., Tang, Z., Wang, X. and He, J., 2025 - Study on the mechanism of hydrogen-based mineral phase transformation to enhance the grinding characteristics of Bayan Obo polymetallic ore: in Minerals Engineering v.227, doi.org/10.1016/j.mineng.2025.109298.
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Wang, K., Fang, A., Zhang, J., Yu, L., Dong, C., Zan, J.-F., Hao, M. and Hu, F., 2019 - Genetic relationship between fenitized ores and hosting dolomite carbonatite of the Bayan Obo REE deposit, Inner Mongolia, China: in J. of Asian Earth Sciences v.174, pp. 189-204.
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Wang, Z.-Y., Fan, H.-R., Zhou, L., Yang, K.-F. and She, H.-D., 2020 - Carbonatite-Related REE Deposits: An Overview: in Minerals (MDPI) v.10, 26p. doi:10.3390/min10110965.
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Wei, C.W., Deng, M., Xu, C., Chakhmouradian, A.R., Smith, M.P., Kynicky, J., Song, W.L., Chen, W. and Fu, B., 2022 - Mineralization of the Bayan Obo Rare Earth Element Deposit by Recrystallization and Decarbonation: in Econ. Geol. v.117, pp. 1327-1338.
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Xu, C., Wang., L., Song, W. and Wu, M., 2010 - Carbonatites in China: A review for genesis and mineralization: in Geoscience Frontiers v.1, pp. 105-114.
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Yang, K.-F., Fan., H.-R., Santosh, M., Hu, F.-F. and Wang, K.-Y., 2011 - Mesoproterozoic carbonatitic magmatism in the Bayan Obo deposit, Inner Mongolia, North China: Constraints for the mechanism of super accumulation of rare earth elements: in Ore Geology Reviews v.40, pp. 122-131.
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Yang, K.-F., Fan., H.-R., Santosh, M., Hu, F.-F. and Wang, K.-Y., 2011 - Mesoproterozoic mafic and carbonatitic dykes from the northern margin of the North China Craton: Implications for the final breakup of Columbia supercontinent: in Tectonophysics v.498, pp. 1-10.
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Yang, X.-M. and Le Bas, M.J., 2004 - Chemical compositions of carbonate minerals from Bayan Obo, Inner Mongolia, China: implications for petrogenesis: in Lithos v72 pp 97-116
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Yang, X.-Y., Lai, X.-D., Pirajno, F., Liu, Y., Mingxing, L. and Sun, W.-D., 2017 - Genesis of the Bayan Obo Fe-REE-Nb formation in Inner Mongolia, North China Craton: A perspective review: in Precambrian Research v.288, pp. 39-71.
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Zhang, J., Fan, H., Xiao, W., Xu, X., Wakabayashi, J., Zhang, L., Zhao, Y., Wang, Q., Zhao, Y. and Wang, K., 2024 - Configuration of Carbonatite Constrained in Preintrusion Transpositional Foliation in the Bayan Obo Giant Rare Earth Element Deposit, China: in Econ. Geol. v.119, pp. 853-869. doi: 10.5382/econgeo.5076.
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Zhang, S.-H., Zhao, Y. and Liu, Y., 2017 - A precise zircon Th-Pb age of carbonatite sills from the worlds largest Bayan Obo deposit: Implications for timing and genesis of REE-Nb mineralization: in Precambrian Research v.291, pp. 202-219.
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Zhang, S.-H., Zhao, Y., Li, Q.-L., Hu, Z.-C. and Zhen, Z.-Y., 2017 - First identification of baddeleyite related/linked to contact metamorphism from carbonatites in the worlds largest REE deposit, Bayan Obo in North China Craton: in Lithos v.284-285, pp. 654-665
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Zhu, X,-K., Sun, J. and Pan, C., 2015 - Sm-Nd isotopic constraints on rare-earth mineralization in the Bayan Obo ore deposit, Inner Mongolia, China: in Ore Geology Reviews v.64, pp. 543-553.
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