Sedimentary characteristics and evolution model of Laiyang Group in Early Cretaceous of Lingshan Island, Shandong Province

被引：6
|
作者：
Yuan J. [1 ,2 ]
Xie J. [1 ]
Dong Z. [1 ]
Shan K. [1 ]
Zhou Y. [1 ,2 ]
Wu G. [1 ]
Yu G. [1 ]
Zhong J. [1 ]
机构：
[1] School of Geosciences in China University of Petroleum(East China), Qingdao
[2] Qingdao National Laboratory for Marine Science and Technology, Evolution and Detection Technology Laboratory of Marine Resources, Qingdao
来源：
Zhongguo Shiyou Daxue Xuebao (Ziran Kexue Ban)/Journal of China University of Petroleum (Edition of Natural Science) | 2019年 / 43卷 / 05期
关键词：
Early Cretaceous; Eastern Shandong Province; Laiyang Group; Lingshan Island; Sedimentary evolution; Well Lingke1;
D O I：
10.3969/j.issn.1673-5005.2019.05.006
中图分类号：
学科分类号：
摘要：
Based on the detail observations and descriptions of more than 1 300 m cores, rock types, characteristics and evolution of sedimentary facies of the sedimentary strata of well Lingke1 in Lingshan Island, Shandong Province were studied. Combining the previous understanding of Lingshan Island outcrops, the sedimentary characteristics and evolution model of the Early Cretaceous Laiyang Group in this area were summarized. The results show that the sedimentary strata of the Early Cretaceous Laiyang Group in Lingshan Island, Shandong Province, developed fan delta, subaqueousfan, turbidite fan, and delta from the bottom to the top, forming a complete sedimentary filling sequence of the rift basin. The fan deltafacies developed in the initial stage of the basin rifting and consists of three retrogradational cycles. The subaqueous fan facies developed in the period of basin expansion and subsidence,consisting of three lower retrogradational cycles and one progradational cycle on the top. The turbidite fan facies developed in the deep subsidence stable period, which is composed of two unobvious retrogradational cycles and two accretion cycles. The delta facies developed during the basin uplift period of end of the Laiyang period. © 2019, Periodical Office of China University of Petroleum. All right reserved.
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页码：53 / 64
页数：11
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