川北侏罗系大安寨段湖相混积层系沉积特征与发育模式*
崔航1,2, 朱世发1,2, 施振生3,4, 孙莎莎3,4, 昌燕3,4, 索义虎1,2

Sedimentary characteristics and development model of lacustrine fine-grained hybrid sedimentary rocks in the Jurassic Da'anzhai Member,northern Sichuan Basin
CUI Hang1,2, ZHU Shifa1,2, SHI Zhensheng3,4, SUN Shasha3,4, CHANG Yan3,4, SUO Yihu1,2
仪陇—营山地区侏罗系大安寨段页岩典型岩心、薄片与SEM照片 A—灰黑色块状页岩,龙浅2井,大二亚段,2109.82 m;B—灰黑色页岩发育水平层理,平安1井,大三亚段,3194.5 m;C—灰黑色页岩发育水平层理,平安1井,大三亚段,3200.3 m;D—页岩均一程度高,纹层不发育,平安1井,大二亚段,3142.60 m,单偏光; E—页岩均一程度高,纹层不发育,平安1井,大二亚段,3147.75 m,单偏光; F—页岩层间孔缝极其发育,平安1井,大二亚段,3141.20 m,SEM