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断陷湖盆扇三角洲、近岸水下扇及湖底扇的识别特征
引用本文:庞军刚,杨友运,蒲秀刚.断陷湖盆扇三角洲、近岸水下扇及湖底扇的识别特征[J].兰州大学学报(自然科学版),2011(4).
作者姓名:庞军刚  杨友运  蒲秀刚
作者单位:西安石油大学油气资源学院;中国石油大港油田公司勘探开发研究院;
基金项目:西安石油大学博士科研启动基金项目(YS29031212)
摘    要:根据大量的岩心、测井及化验分析等资料,对板桥凹陷沙三段的沉积相进行了研究,所指近岸水下扇为深湖重力流成因.总结了这几种重要沉积相在岩性、沉积构造、测井曲线、生物化石、沉积序列及沉积组合等几个方面的识别特征,该方法可用于类似断陷型盆地的沉积相研究中.

关 键 词:扇三角洲  近岸水下扇  湖底扇  识别特征  断陷湖盆  

Identification characteristics of fan delta,nearshore subaqueous fan and sublacustrine fan in fault trough lake basin
Abstract:Sedimentary facies of Member 3 of Shahejie formation in Banqiao depression was studied through an analysis of abundant data of core,wireline logging and test analysis,showing that nearshore subaqueous fan was dominantly formed in deep water by turbidity flow and characteristics such as lithology,sedimentary structure,logs,paleo-biology fossil,sedimentary sequence,sedimentary assemblage were summaried to identify the several important and similar sedimentary facies.These methods can be applied to the study o...
Keywords:fan delta  nearshore subaqueous fan  sublacustrine fan  identification characteristics  fault trough lake basin  
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