川中地区茅口组一段沉积相新认识

田小彬, 师江波, 董景海, 谭万仓, 印长海, 李强, 宋振宇, 张凯, 肖传桃

New understanding of sedimentary facies of the first Member of Maokou Formation based on the latest drilling in central Sichuan Basin

Xiaobin TIAN, Jiangbo SHI, Jinghai DONG, Wancang TAN, Changhai YIN, Qiang LI, Zhenyu SONG, Kai ZHANG, Chuantao XIAO

图3 茅一段沉积相标志（2） （a）合平1井，4 241.69 m，生屑粉晶灰岩，眼球岩相，单偏光；（b）合平1井，4 265.77 m，含砂屑生屑泥晶灰岩，眼球岩相，单偏光；（c）合深3井，4 153.25 m，泥晶粒屑灰岩，眼球岩相，单偏光；（d）合平1井，4 247.63 m，含泥含粒屑灰岩，眼皮岩相，正交偏光；（e）合深3井，4 154.82 m，含粒屑泥质灰岩，眼皮岩相，正交偏光；（f）合深3井，41 37.75 m，含生屑钙质泥岩，眼皮岩相，正交偏光

Fig.3 Symbols of sedimentary facies in the first Member of Maokou Formation （2）