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滨浅湖环境中“砂—泥”沉积记录及成岩作用系统——以济阳坳陷古近系孔店组为例
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谭先锋1,2, 冉天1, 罗龙3, 王佳1,2, 梁迈1,2, 陈青1,2, 况昊1,2 |
The“Sand-Mud” Sedimentary Record and Its Diagenetic System in Shore-shallow Lacustrine—A Case Study of Eocene Kongdian Formation in Jiyang Depression
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Tan Xianfeng 1,2, Ran Tian 1, Luo Long 3, Wang Jia 1,2, Liang Mai 1,2, Chen Qing 1,2, Kuang Hao 1,2
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成岩早期砂—泥互层差异压实作用的物质形态(W100井) (a)砂泥互层沉积,2 020.6 m,W100;(b)差异压实引起钙质粉砂岩与钙质层的凹凸不平接触,1 574.1 m,W100;(c)岩心横截面上“砂—泥”差异压实现象,嵌入式接触面,1 578.25 m,W100;(d)砂泥界面附近碳酸盐胶结物增高,1 820.6 m,W100;(e)砂泥互层界面差异压实作用引起的颗粒重新调整,2 178.6 m,W100 |
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