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Weishan Mine (Chisan Mine; Xishan Mine; Deposit No. 101), Weishan Co., Jining Prefecture, Shandong Province, China

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Latitude & Longitude (WGS84): 34° 45' North , 117° 12' East
Latitude & Longitude (decimal): 34.75, 117.2
Other regions containing this locality:Asia

REE deposit, consisting of tens of NW-trending bastnäsite-baryte-carbonate veins (K-Ar age of vein muscovite: 110 Ma), hosted by syenite, quartz syenite and aegirine-augite syenite (K-Ar age: 140 Ma).
Located on the eastern shore of Weishan Lake. The deposit has been mined since the 1970s.

Mineral List

26 valid minerals.


Mineralization age: Early Cretaceous : 110 Ma

Important note: This table is based only on rock and mineral ages recorded below and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.

Geologic TimeRocks, Minerals and Events
   Early Cretaceous
ⓘ Muscovite110 Ma

This page contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


- Zhang Peishan, Yang Zhuming, Tao Kejie, and Yang Xueming (1996): "Mineralogy and Geology of Rare Earths in China", Science Press (Beijing), 226 pp.
- Wu, C., Yuan, Z., and Bai, G. (1996): Rare earth deposits in China. In: Jones, A.P., Wall, F., and Williams, C.T. (Eds.): Rare Earth Minerals: Chemistry, origin and ore deposits. The Mineralogical Society Series, Vol. 7. Chapman & Hall (London).
- Orris, G.J., and Grauch, R.I. (2002): Rare Earth Element Mines, Deposits and Occurrences. USGS Open-File Report 02-189, 174 pp.
- Zhuming Yang and Woolley, A. (2006): Carbonatites in China: A review. Journal of Asian Earth Sciences 27(5), 559-575.

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