- Baotou City (Baotou Prefecture)
- Bayan Obo mining district
| Jinsha Xu, Guaming Yang, Guowu Li, Zhilan Wu, Ganfu Shen (2008): Acta Mineralogica Sinica 28(3), 237-243 Hongrui Fan, Yihan Xie, Kaiyi Wang, and Wilde, S.A. (2004): Ore Geology Reviews 25, 301-309 Zonglin Hou (1989): Geology and Prospecting 25(7), 1-5, 22 Qingchang Meng (1981): Geology and Prospecting 17(3), 10-17 |