Abstract On the basis of all kinds of stratigraphic and petrologic data of outcrop and well sections, the maps of single factors and sedimentary facies of the Paleocene Eocene, Oligocene and Miocene were compiled with the single factor analysis and multifactor comprehensive mapping method proposed by Professor Feng Zengzhao. It is the first time to apply this method to study sedimentary facies of the Paleocene Miocene in the Qaidam Basin. There are two types of sedimentary facies in this region: the alluivial fan and the braided fluvial river. The latter is further sub-divided into gravelly and sandy braided fluvial facies. The sedimentary systems were alluvial fan braided fluvial river-lacustrine depositional systems during the Paleocene-Eocene, and braided fluvial river-lacustrine depositional systems during the Oligocene-Miocene. From Paleocene to Miocene, the sedimentary facies evolved from the extensive alluvial fan to the braided fluvial river environment.
About author: Jin Zhenkui, born in 1963, graduated from East China Petroleum Institute in 1983. Now he is a professor of China University of Petroleum Beijing and is mainly engaged in sedimentology.
Cite this article:
Jin Zhenkui,Qi Congwei,Xue Jiangin et al. Sedimentary facies of the Paleocene Miocene in Jieli su Hongshan area in north margin of Qaidam Basin[J]. JOPC, 2006, 8(3): 377-388.
Jin Zhenkui,Qi Congwei,Xue Jiangin et al. Sedimentary facies of the Paleocene Miocene in Jieli su Hongshan area in north margin of Qaidam Basin[J]. JOPC, 2006, 8(3): 377-388.
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