柴达木盆地西部扎哈泉地区新近系上干柴沟组滩坝砂体沉积演化及其控制因素*
易定红1, 石亚军1,2, 李翔1,2, 龙国徽3, 倪祥龙1, 李积永3, 王兆兵3, 马新民1

Sedimentary evolution and controlling factors of beach bar sand bodies of the Upper Ganchaigou Formation of Neogene in Zhahaquan area, western Qaidam Basin
YI Dinghong1, SHI Yajun1,2, LI Xiang1,2, LONG Guohui3, NI Xianglong1, LI Jiyong3, WANG Zhaobing3, MA Xinmin1
柴达木盆地西部扎哈泉地区新近系上干柴沟组典型岩心照片 a—棕灰色泥质粉砂岩,波状层理,扎2井,2945.05 m;b—棕灰色油斑细砂岩,交错层理,扎2井,3036.52 m;c—棕灰色泥质粉砂岩,浪成波纹交错层理,扎2井,3026.05 m;d—棕褐色粉砂质泥岩,波状层理,扎2井,3030.72 m;e—浅灰色粉砂岩夹深灰色粉砂质泥岩,浪成波纹交错层理、透镜状层理,扎401-1-2井,3424.30 m;f—左为灰色粉砂质泥岩,右为灰色细砂岩,透镜状层理、波状层理,扎401-1-2井,3331.52 m;g—棕灰色粉砂质泥岩,浪成波纹层理,扎401-1-2井,3424.42 m;h—灰色泥质粉砂岩,透镜状层理、波状层理,扎401-1-2井,3350.01 m;i—灰色细砂岩,风暴成因的泥砾,扎401-1-2井,3355.61 m;j—灰色泥质细砂岩,逆粒序层理,扎201井,3272.7 m;k—棕褐色粉砂质泥岩,虫孔,扎2井,2873.15 m;l—浅灰色粉砂质泥岩,水平层理、透镜状层理、泄水构造,扎401井,3322.71 m