四川盆地及周缘震旦系灯影组岩性—碳同位素地层划分及意义*
陈明思1, 张本健2, 李智武1,3, 刘树根3,4, 李勇2, 宋金民3, 王瀚1,3, 蒋航2, 王林康1, 徐少立2, 丁一1,3

Lithol and carbon isotopic stratigraphic division and its sighificance of the Sinian Dengying Formation in Sichuan Basin and surrounding area
CHEN Mingsi1, ZHANG Benjian2, LI Zhiwu1,3, LIU Shugen3,4, LI Yong2, SONG Jinmin3, WANG Han1,3, JIANG Hang2, WANG Linkang1, XU Shaoli2, DING Yi1,3
四川盆地及周缘灯影组一段—二段下亚段典型岩性照片 a—粉晶白云岩,灯一段,胡家坝剖面; b—泥晶白云岩,灯一段,杨坝剖面; c—泥—粉晶白云岩,单偏光,灯一段,蓬深3井,5993 m;d—葡萄状构造,灯二下亚段,胡家坝剖面; e—渗流豆(葡萄状构造切面),单偏光,灯二下亚段,胡家坝剖面; f—葡萄花边构造,表现为溶蚀孔洞内充填栉壳状白云石,单偏光,灯二下亚段,杨坝剖面; g—葡萄状构造,岩心照片,灯二下亚段,蓬探1井,5737.48~5737.55 m;h—葡萄花边构造,单偏光,灯二下亚段,蓬深3井,5841 m;i—藻云岩,溶孔见栉壳状白云石充填,见花边构造,单偏光, 灯二下亚段,磨溪8井,5589 m