孤北洼陷孔店组与沙河街组四段的多重地层划分MULTIPLESTRATIGRAPHIC DIVISION OF THE KONGDIAN FORMATION AND THE MEMBER 4 OF SHAHEJIE FORMATION IN THE GUBEI DEPRESSION
翟慎德,李云新,周玉洁,马光强,彭燕
摘要(Abstract)：
对孤北洼陷孔店组、沙四段生物、岩石、电性及地震地层等多重地层划分进行详细的研究,研究结果表明孔三段属灰紫色冲积产物,孔二段发育典型的暗色泥岩,沙四下亚段为红色砂、泥岩,沙四上亚段主要是灰色泥岩,夹有砂岩;电测结果表明:进入沙四下亚段时电阻率曲线相应抬起,沙四上亚段整体是一个低阻段,沙四段顶界划在下斜坡电阻的底部。孤北洼陷地层划分时要注重多重地层划分的方法,单一资料用于划分地层难于反映真实面貌。
关键词(KeyWords)： 多重地层划分;孔店组;沙四段;古近系;孤北洼陷;沾化凹陷;山东
基金项目(Foundation):
作者(Author): 翟慎德,李云新,周玉洁,马光强,彭燕
DOI: 10.19839/j.cnki.dcxzz.2007.s2.014
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