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细粒沉积岩主要岩相特征 A—纹层状混合细粒沉积岩,利页1井: a1,3681.20m;a2,3672.62m,(-);a3,透镜状泥晶方解石构成断续纹层,3746.36m,(-)。B—纹层状粉砂质灰岩,利页1井: b1,3807.95m;b2,3675.14m,(-);b3,3665.14m,(-)。C—纹层状灰岩,利页1井: c1,3834.80m;c2,3827.20m,(-);c3,纹层由亮晶方解石层构成,连续性差,3662.10m,(-)。D—纹层状粉砂质黏土岩,NY1: d1,3587.60m;d2,3661.52m,(+);d3,纹层边界模糊,3687.64m,(-)