珠江口盆地L凹陷裂陷期始新统文昌组沉积充填模式*
贾浪波1, 纪友亮1, 钟大康1, 严锐涛2, 刘君龙1, 米立军3, 易震3, 余加松1, 张鹏程4

Depositional filling model of the Eocene Wenchang Formation in rift stage of L sag, Pearl River Mouth Basin
Jia Langbo1, Ji Youliang1, Zhong Dakang1, Yan Ruitao2, Liu Junlong1, Mi Lijun3, Yi Zhen3, Yu Jiasong1, Zhang Pengcheng4
珠江口盆地L凹陷始新统文昌组典型岩石学特征 a—辫状河三角洲前缘分支河道河床底部滞留沉积,文五段,W4井,4156.6,m;b—生物扰动构造,辫状河三角洲前缘河口坝沉积,文五段,W4井,4161.6,m;c—波状层理和脉状层理,辫状河三角洲前缘水下天然堤,文五段,W4井,4165.4,m;d—颗粒为次棱角到次圆,辫状河三角洲前缘水道沉积,文五段,W4井,4158.7,m,单偏光;e—颗粒次棱角—次圆,分选中等,辫状河三角洲前缘支流间湾,文五段,W4井,4162.25,m,单偏光;f—波状层理,辫状河三角洲前缘支流间湾沉积,文五段,W4井,4171.7,m,;g—近源冲积平原混杂堆积,文六段,W4井,4542.5,m;h—粉细砂岩,滨浅湖滩坝沉积,文三段,W4井,3719,m;i—半深湖泥岩沉积,文四段,W4井,3970,m