文章基本信息

标题：DISCRIMINATION OF SEDIMENTARY SYSTEM CHARACTERISTICS OF THE FOURTH MEMBER OF SHAHEJIE FORMATION IN DONGYING SAG, CHINA
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作者：Haitao Li ; Sheng Luo ; Xilai Lu 等
期刊名称：Fresenius Environmental Bulletin
印刷版ISSN：1018-4619
出版年度：2020
卷号：29
期号：1
页码：481-489
语种：English
出版社：PSP Publishing
摘要：The Dongying Sag is located in the southeastern part of the Jiyang Depression in the Bohai Basin. It is a braided fault-depression lake basin de-veloped in the Mesozoic and Cenozoic, and is an important oil and gas exploration area. The following results were obtained: the planar distribution characteristics of sedimentary facies and sedimentary systems in the Fourth member of Shahejie Formation in the study area were clarified; based on the analysis of the phase markers of the study area, alluvial fans and deltas were mainly developed on the southern slope of the Dongying Sag during the sedimentary period of the Fourth member of the Dongying Sag. The sedimentary facies types such as fan delta and beach dam; through the analysis of thickness and percentage of glutcnite, rock type and rock color, the distribution characteristics of sedimentary systems in the sub-sector of the Fourth member of Shahejie Formation arc obtained; Alluvial fan deposition, pure lower, pure upper section mainly develops shallow lake beach dam deposits.
关键词：Dongying Sag; Shahejie Formation; logging curve; sedimentary characteristic