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China | |
| Xuncheng Wang and Yucai Zhou (1995): Geology and Prospecting 31(3), 9, 16-23 |
| Shengwu Zhao (1989): Geology and Prospecting 25(5), 24-28 |
| Shengwu Zhao (1989): Geology and Prospecting 25(5), 24-28 |
- Longchuan Co. (Lungchuan Co.)
| Jewel Tunnel specimens |
| Jing Sun, Weihe Du, Dezhong Wang, Jian Li, Guoxin Xu, and Yuchou Han (2009): Acta Geologica Sinica 83(9), 1344-1364 |
| North China Geological Exploration Bureau, Geological Brigade 514 (2010): Report on the geological investigation of the Donggou iron deposit, Damiao town, Shuangluan District, Chengde Prefecture, Hebei Province, 51 pp. |
| Guanxiang Song (1991): Geology and Prospecting 27(8), 1-8 |
- Haixi Mongol and Tibetan Autonomous Prefecture
- Mangnai City (Mangya Co.)
| He Jurui, Rui Xinjian, Guo Kunyi, Wu Quanhuai, Liu Hongying, Wang Futong, and Sun Chuanmin (2000): Acta Geologica Sinica 74(3), 473-477. |
| Shengwu Zhao (1989): Geology and Prospecting 25(5), 24-28 |
- Yili Hasake Autonomous Prefecture (Ili Kazakh Autonomous Prefecture)
- Aletai Prefecture (Altay Prefecture)
| Qilin Liao, Junsheng Wang, and Jiniu Deng (2003): Northwestern Geology 36(4), 56-64 |
- Tacheng Prefecture (Tarbaghatay Prefecture)
| Ruisong Xu (1988): Geology and Prospecting 24(12), 30-36 |
| Zuoheng Zhang, Zhiliang Wang, Yanbin Wang, Guochao Zuo, Longcheng Wang, and Linsu Lü (2007): Mineral Deposits 26(4), 353-360 |