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含介壳(介壳质)页岩典型岩心与薄片照片 A—含介壳页岩中介壳顺层排列,平安1井,大二亚段,3167.2 m,茜素红染色,单偏光; B—介壳质页岩中介壳组分轻微破碎,平安1井,大一亚段,3138.4 m,单偏光; C—含介壳页岩中介壳呈漂浮状,平安1井,大二亚段,3173.6 m,单偏光;D—暗色泥页岩夹薄层灰岩条带,平安1井,大二亚段,3187.0 m;E—暗色泥页岩夹薄层灰岩条带,平安1井,大二亚段,3171.8 m;F—暗色泥页岩含漂浮状介屑,平安1井,大一亚段,3138.0 m