| China | |
- Gannan Autonomous Prefecture
| Jiajun Liu, Minghua Zheng, Jianming Liu, and Wenchao Su (2000): Ore Geology Reviews 17, 91-111. |
- Liaoning Province (Manchuria; Dongbei Region)
| Minzhi Yang (2004): Contributions to Geology and Mineral Resources Research 19(3), 143-146 |
- Ngawa (Aba) Autonomous Prefecture
- Ruo'ergai Co. (ZoigĂȘ Co.)
| Jiajun Liu, Minghua Zheng, Jianming Liu, and Wenchao Su (2000): Ore Geology Reviews 17, 91-111. | | Russia | | |
| Belogub, E.V., Novoselov, K.A., Yakovleva, V.A., and Spiro, B. (2008): Ore Geology Reviews 33, 239-254. |
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