陆相断陷湖盆重力流湖底扇沉积与地震响应特征分析: 以渤海湾盆地霸县凹陷古近系沙河街组为例<sup>*</sup>

陆相断陷湖盆重力流湖底扇沉积与地震响应特征分析: 以渤海湾盆地霸县凹陷古近系沙河街组为例^*

张自力^1,^2,³, 李琦², 朱筱敏³, 谈明轩⁴, 张锐锋⁵, 曹兰柱⁵, 李凤勋⁶, 单帅强⁶

Sedimentary and seismic responses characteristics of gravity flow sublacustrine fans in lacustrine rift basin: case study on the Paleogene Shahejie Formation in Baxian sag,Bohai Bay Basin

ZHANG Zili^1,^2,³, LI Qi², ZHU Xiaomin³, TAN Mingxuan⁴, ZHANG Ruifeng⁵, CAO Lanzhu⁵, LI Fengxun⁶, SHAN Shuaiqiang⁶

霸县凹陷古近系陷沙河街组重力流沉积岩心特征 A—浅灰色钙质砂岩,青灰色泥砾及泥岩撕裂屑,W65井,E s 1;B—浅灰色钙质砂岩与暗色泥岩互层,鲍马序列,W32井,E s 1;C—浅灰色钙质砂岩与暗色泥岩互层,泥砾,鲍马序列,W32井,E s 1;D—同沉积变形构造,W32井,E s 1;E—同沉积变形构造,泥砾、泥岩撕裂屑,W32井,E s 1;F—同沉积变形构造,球枕构造,W32井,E s 1;G—上攀层理,冲刷面,砂砾,WA10井,E s 3;H—砂砾,泥岩撕裂屑,变形层理及冲刷面,WA10井,E s 3;I—液化砂岩脉,直立砂砾,同沉积变形构造,WA10井,E s 3;J—冲刷面,变形层理,WA10井, E s 3;K—冲刷面,粒序层理,泥砾,X48井,E s 2;L-泥砾、泥岩撕裂屑,X48井,E s 2