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川中地区茅口组碳酸盐岩层序地层及沉积相特征*
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匡明志1,2, 张小兵1,2, 袁海锋1,2, 陈聪3, 张玺华3, 彭瀚霖3, 徐婷1,2, 肖钦仁1,2, 李天军3, 山述娇3 |
Sequence stratigraphy and sedimentary facies characteristics of the Maokou Formation carbonate rocks in central Sichuan Basin
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KUANG Mingzhi 1,2, ZHANG Xiaobing 1,2, YUAN Haifeng 1,2, CHEN Cong 3, ZHANG Xihua 3, PENG Hanlin 3, XU Ting 1,2, XIAO Qinren 1,2, LI Tianjun 3, SHAN Shujiao 3
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四川盆地二崖剖面茅口组岩相类型薄片特征 A—层状泥(晶)灰岩(MF1), P2 m -41-3, 正交偏光, 箭头所指为介形虫; B—含生屑泥(晶)灰岩(MF2), 眼皮灰岩, P2 m -48-2, 单偏光, 箭头所指为定向腕足类碎屑; C—层状泥(晶)灰岩(MF1)与含生屑泥(晶)灰岩(MF2), P2 m -44-3, 单偏光, 箭头所指为定向腕足类碎屑; D—含生屑泥(晶)灰岩(MF2), P2 m -54-1, 眼皮灰岩, 单偏光照片, 富含泥质, 箭头所指为定向腕足类碎屑; E—含生屑泥(晶)灰岩(MF2), 眼皮灰岩, P2 m -47-1, 单偏光, 见风暴浪基面以下的滞留生屑层; F—透镜状生屑泥晶灰岩(MF3),眼球灰岩, P2 m -46-1, 单偏光, 见藻类和腕足类碎屑 |
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