Wang, P.; Wang, N.; Bao, J. (1982). Discovery of the Cenozoic Foraminifera in the Fen-Wei Basin and its significance. Geological Review (Beijing). 28(2): 93-101 (in Chinese, with English abstract).

345478

Wang, P.; Wang, N.; Bao, J.

1982

28(2): 93-101 (in Chinese, with English abstract)

Publication

https://pxwang.tongji.edu.cn/__local/C/76/87/36CAB987A235217C81CA0B3EC03_142D9100_16DB5B.pdf?e=.pdf

Available for editors   [request]

A foraminiferal fauna associated with some brackish-marine ostracods has been obtained from the Yunglodian Group of Fenwei Basin. The Yunglodian Group as established and named by the Prospecting and Exploration Party no. 3 of the Ministry of Geology basing on the core data contains foraminifer and ostracod-bearing beds identified from cores taken at depths 450-2010m. Six species of four genera of foraminifera are described here: Ammonia tepida, Discorbis yunchengensis sp. nov., Evolutononion weiheense sp. nov., Nonion suturalum sp. nov., N. cf. depressulum, N. sp. Besides, a number of ostracods, such as Cyprideis littoralis, Cytheromorpha sp. nov., appear in this assemblage. The foraminifer-bearing beds most probably belong to Late Pliocene or Early Pleistocene in age, basing mainly on the underlying bed with Hipparion tooth which is referred to Early Pliocene. The present discovery of the brackish-marine fauna suggests the presence of a Late Pliocene ingression of the sea, but its scope needs further study.

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