| Locality type: | Deposit |
| Classification |
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| Species: | 'Monazite Group' (not an IMA approved species) |
| Formula: | REE(PO4) |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Clinofergusonite-(Nd) | 1 |
| Riebeckite | 1 |
| Data |
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| Mineral Data: | Click here to view Monazite Group data |
| Locality Data: | Click here to view Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1329935 |
| Long-form Identifier: | 1:3:1329935:8 |
| GUID (UUID V4): | 0 |
| Localities for Monazite Group in this Region |
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| Abandoned pit, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China |
| East Mine, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China |
| Eastern contact zone, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China |
| H9 litho-unit, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China |
| Main pit, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China |
| West Mine, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China |
| Nearest other occurrences of Monazite Group |
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| 0.4km (0.3 miles) | ⓘMain pit, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China |
| 1.0km (0.6 miles) | ⓘH9 litho-unit, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China |
| 1.2km (0.7 miles) | ⓘEast Mine, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China |
| 4.3km (2.7 miles) | ⓘEastern contact zone, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China |
| 4.7km (2.9 miles) | ⓘWu dyke, Dulahala, Bayan Obo mining district, Baotou City, Inner Mongolia, China |
| 5.0km (3.1 miles) | ⓘAbandoned pit, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China |
| 8.1km (5.0 miles) | ⓘWest Mine, Bayan Obo deposit, Bayan Obo mining district, Baotou City, Inner Mongolia, China |
| 14.0km (8.7 miles) | ⓘDaqingshan pegmatite, Darhan Muminggan United Banner (Da'erhan Maoming'an Lianheqi; Damaoqi), Baotou City, Inner Mongolia, China |
| 60.2km (37.4 miles) | ⓘHaoyaoerhudong Au deposit, Urad Middle Banner (Wulate Zhongqi), Bayannur City (Bayannao'er Prefecture), Inner Mongolia, China |
| References |
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Chao, E. C. T., Back, J. M., Minkin, J. A., Tatsumoto, M., Wen, W. J., Conrad, J. E., ... & Huang, S. G. (1997). US Geological Survey Bulletin 2143: The sedimentary carbonate-hosted giant Bayan Obo REE-Fe-Nb ore deposit of Inner Mongolia, China: A cornerstone example for giant polymetallic ore deposits of hydrothermal origin. United States Geological Survey, Bulletin, 2143. Fan, H. R., Hu, F. F., Yang, K. F., & Wang, K. Y. (2006). Fluid unmixing/immiscibility as an ore-forming process in the giant REE–Nb–Fe deposit, Inner Mongolian, China: evidence from fluid inclusions. Journal of Geochemical Exploration, 89(1-3), 104-107. Campbell, L. S., Compston, W., Sircombe, K. N., Wilkinson, C. C. (2014) Zircon from the East Orebody of the Bayan Obo Fe–Nb–REE deposit, China, and SHRIMP ages for carbonatite-related magmatism and REE mineralization events. Contributions to Mineralogy and Petrology, 168 (2). 1041-1063 doi:10.1007/s00410-014-1041-3 Zhang, Shuan-Hong, Zhao, Yue, Li, Qiu-Li, Hu, Zhao-Chu, Chen, Zhen-Yu (2017) First identification of baddeleyite related/linked to contact metamorphism from carbonatites in the world's largest REE deposit, Bayan Obo in North China Craton. Lithos, 284. 654-665 doi:10.1016/j.lithos.2017.05.015 Tian, Pengfei, Yang, Xiaoyong, Xiao, Yulun, Yuan, Wanming, He, Zifei (2022) In Situ Monazite U–Pb Ages in Thin Sections from the Giant Bayan Obo Fe–REE–Nb Deposit, Inner Mongolia: Implications for Formation Sequences. Minerals, 12 (10) 1237 doi:10.3390/min12101237 Yi-Li, Chang-Ke, Hong-She, Deng-Wang, Xu, Cheng, An-Wang, Rui-Li, Zi-Peng, Ze-Zhu, Kui-Yang, Chen, Wei, Jian-Zi, Wen-Song, Yong-Zhao, Zhang, Li, Yu, Hong, Guo, Bin, Sheng-Zhou, Xing-Yuan, Jing-Liu (2023) Geology and mineralization of the Bayan Obo supergiant carbonatite-type REE-Nb-Fe deposit in Inner Mongolia, China: A review. China Geology, 6 (4) 716-750 doi:10.31035/cg2023082 Zhu, Xue-Feng, Zhang, Chi, Huang, Xiao-Wen, Song, Wen-Lei, Lu, Li-Na, Hu, Qing-Cheng, Shao, Ya-Qin (2024) Principal component analysis of mineral and element composition of ores from the Bayan Obo Nb-Fe-REE deposit: Implication for mineralization process and ore classification. Ore Geology Reviews, 167. 105972 doi:10.1016/j.oregeorev.2024.105972 Yang, Bo, Yang, Li, Zhao, Yong-Gang, Yan, Guo-Ying, Liu, Jian-Yong, Meng, Wen-Xiang, Yu, Jun-Fang, Chen, Lei, Li, Xiao-Chun, Li, Xian-Hua (2024) Aeschynite Group Minerals Are a Potential Recovery Target for Niobium Resources at the Giant Bayan Obo Nb–REE–Fe Deposit in China. Minerals, 14 (10). doi:10.3390/min14101029 Liang, Pei, Wang, Junyi, Li, Bicheng, Xie, Yuling, Han, Jinsheng, Xia, Jiaming, Li, Bingbing, Chen, Li (2024) Multi-stage REE mineralization in the Bayan Obo Fe-REE-Nb deposit: Constraints from biotite and apatite geochemistry. Ore Geology Reviews, 174. 106312 doi:10.1016/j.oregeorev.2024.106312 Liu, Shuang-Liang, Liu, Xuan, Fan, Hong-Rui, Butcher, Alan R, Lahaye, Yann, Michallik, Radoslaw M., Jolis, Ester M., Lukkari, Sari, Yang, Kui-Feng, Wang, Qi-Wei, et al. (2025) Scandium distribution in the Bayan Obo REE-Nb-Fe deposit, China: A multi-scale geochemical perspective. Ore Geology Reviews, 177. 106466 doi:10.1016/j.oregeorev.2025.106466 Jin, Hailong, Sun, Qing, Chen, Biao, Wei, Wei, Liu, Yanjiang, Li, Qiang (2025) Evaluated Utilization of Middle–Heavy REE Resources in Bayan Obo Deposit: Insight from Geochemical Composition and Process Mineralogy. Minerals, 15 (3). doi:10.3390/min15030212 Ren, Chenghao, Jia, Hongxiang, Wang, Dongsheng, She, Hongquan, Li, Jinwen, Chen, Hui (2025) Fe, Mg, Sr-Nd-Pb, C-O isotopes and geochemical constraints on the genesis of Bayan Obo Fe-REE-Nb deposit, Inner Mongolia, Northern China. Ore Geology Reviews, 180. 106525 doi:10.1016/j.oregeorev.2025.106525 Liu, Si-Han; Wang, Chun-Lian; Sun, Jian; Hu, Gu-Yue; Wang, Dong; Ke, Chang-Hui; Liu, Xue; Liu, Yan-Ting; You, Chao (2025) The genesis of giant fluorite resources in Bayan Obo Fe-Nb-REE deposit, Inner Mongolia of China. Ore Geology Reviews, 187. 106959 doi:10.1016/j.oregeorev.2025.106959 |
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