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介壳灰岩典型岩心与薄片照片 A—浅灰色介壳灰岩,介壳物质顺层排列,平安1井,大二亚段,3147.75 m;B—浅灰色介壳灰岩,发育块状层理,平安1井,大一亚段,3106.75 m;C—介壳灰岩,介壳保存完整且呈平行排列,平安1井,大二亚段,3160.12 m,茜素红染色,单偏光; D—介壳灰岩,介壳轻微破碎,平安1井,大一亚段,3117.72 m,单偏光; E—介壳灰岩,介壳组分尺寸变小、分选差、排列杂乱,平安1井,大一亚段,3121.39 m,单偏光