渤海湾盆地东营凹陷古近系细粒沉积岩特征及沉积环境*
刘姝君1, 操应长1,2, 梁超1,2

Lithologic characteristics and sedimentary environment of fine-grained sedimentary rocks of the Paleogene in Dongying sag,Bohai Bay Basin
Liu Shu-Jun1, Cao Ying-Chang1,2, Liang Chao1,2
渤海湾盆地东营凹陷利页1井细粒沉积岩矿物组分赋存形态及沉积构造 A—泥晶方解石,暗色层为富含有机质的黏土矿物,3827.20m,(-);B—粒状方解石,表面清洁明亮,部分可见解理,3662.1m,(-);C—柱状方解石,高级白干涉色,黑色部分为有机质,3642.35m,(+);D—钙球及生物碎片,成分为亮晶方解石,3833.92m,(-);E—斜长石,长条状,见聚片双晶,3657.85m,(+);F—石英,粒状,Ⅰ级灰白干涉色,3782.73m,(+);G—黏土矿物,片状,3833.92m,扫描电镜照片;H—莓球状黄铁矿,周围被黏土矿物包裹,单体呈五角十二面体,3632.42m,扫描电镜照片;I—纹层状构造,3805.12m,岩心照片;J—纹层状构造,浅色层为方解石及长英质矿物,暗色层主要为黏土矿物,纹层边界清晰,3639.34m,(-);K—块状构造, 3667.45m,岩心照片;L—块状构造,矿物组分均匀分布,3753.86m,(-)