Based on methods of core observation analysis,using the theory sequence stratigraphy and sedimentology,logging curve comparison and seismic reflection recognition,the sequence stratigraphic framework of the Mid-sha-3 Member,Shahejie formation,Eogene in the deep depression area of the Boxing Sag was built,sedimentary facies types were identified,and the filling periods and filling law of sand bodies of the sublacustrine fan were revealed.The Mid-Sha-3 Member,ShaHejie Formation,Eogene can be divided into 2 th...
【基金】
国家科技重大专项(2011ZX05009-002)
【更新日期】
2012-08-15
【分类号】
P618.13
【正文快照】
0引言湖底扇的概念是由海底扇借用来的[1],一般是指湖泊中带有较长水道的重力流沉积扇,因此也有人称其为远岸浊积扇,是浊积岩的一种沉积相类型,可与Walker R G的海底扇相模式相对比[2].湖底扇在中国众多陆相盆地中有着广泛的发育,Dasgupta P等对印度的Jharia盆地、美国的Colora
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