Latitude: 32°35'N
Longitude: 113°12'E
Alkali-bearing Eocenic horizon in a depth of around 1000-1200 m, composed of sandstone, oil shale, dolomite and solid nahcolite with minor wegscheiderite, whereas trona and halite are virtually absent. The dolomites at the top and at the bottom of the alkali bed contain plenty of zeolites, mainly natrolite.
References
- Jianmin Zhaou and Jiping Wang (1989): Shallow evaporative environment for the formation of nahcolite-bearing series in the Biyang basin, Henan. Acta Sedimentologica Sinica 7(4), 149.
- Jiping Wang, Youxun Zhang, Qingtang Yang, Jianmin Zhou, and Xiulian Ma (1991): The geological characteristics and origin of the Anpeng alkali deposit. Geological Review 56(1), 42-50.
Mineral List
6 entries listed. 6 valid minerals.
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