西湖凹陷花港组浅水三角洲平原分流河道沉积构型*
杨征1,2, 吴胜和1,2, 段冬平3, 徐振华1,2, 熊绮聪1,2, 张玉飞1,2

Architecture characteristics of distributary channels in shallow water delta plain of the Huagang Formation in Xihu sag,East China Sea
YANG Zheng1,2, WU Shenghe1,2, DUAN Dongping3, XU Zhenhua1,2, XIONG Qicong1,2, ZHANG Yufei1,2
西湖凹陷中南部渐新统花港组上段岩心沉积构造与韵律特征 A—浅灰色泥质粉砂岩,垂直虫孔发育,A1井,3531.8 m;B—浅灰色细砂岩,槽状交错层理发育,B3井,3427.5 m;C—细砂岩,楔状交错层理发育,B3井,2422.85 m;D—细砂岩,平行层理发育,A3井,4187.6 m;E—含砾细砂岩,底部见冲刷面,A1井,3527.8 m;F—中砂岩,含泥砾,D1井,2717.14 m;G—粉砂岩,含泥质条带,A3井,4198.92 m;H—波状层理,A3井,4200.58 m;I—正韵律,M3井, 4066.79~4068.85 m;J—均质韵律,D2井,2769.90~2773.88 m