陆相淡水湖盆页岩有机质富集主控因素研究: 以四川盆地东北部侏罗系自流井组为例*
张美洲1,2, 朱筱敏1,2, 姜振学1,3, 朱德宇4, 叶蕾1,2, 谌志远1,3

Main controlling factors of organic matter enrichment in continental freshwater lacustrine shale: a case study of the Jurassic Ziliujing Formation in northeastern Sichuan Basin
ZHANG Meizhou1,2, ZHU Xiaomin1,2, JIANG Zhenxue1,3, ZHU Deyu4, YE Lei1,2, CHEN Zhiyuan1,3
四川盆地东北部自流井组关键井页岩岩心、薄片和电镜照片 A—灰黑色页岩,大安寨段,元陆4井,3791.3 m;B—灰黑色页岩,东岳庙段,元陆4井,3996.2 m;C—灰黑色页岩含介壳,大安寨段,涪页1井,2607.4 m,单偏光; D—分散有机质,元陆4井,4053.2 m,电镜,背散射; E—有机质与黄铁矿颗粒,元陆4井,3749.1 m,电镜,背散射; F—有机质,元陆4井,3758.7 m,电镜,背散射; G—伊蒙混层间的有机质,元陆4井,3749.1 m,电镜,背散射; H—无定形体,元陆4井,3749.1 m,透射光; I—无定形体,元陆4井,4009.3 m,透射光