滑塌型深水重力流沉积特征及沉积模式:以渤海湾盆地临南洼陷古近系沙三中亚段为例*
操应长, 王思佳, 王艳忠, 杨田, 张少敏, 张会娜

Sedimentary characteristics and depositional model of slumping deep-water gravity flow deposits:A case study from the middle Member 3 of Paleogene Shahejie Formation in Linnan subsag,Bohai Bay Basin
Cao Yingchang, Wang Sijia, Wang Yanzhong, Yang Tian, Zhang Shaomin, Zhang Huina
渤海湾盆地临南洼陷古近系沙三中亚段深水重力流沉积构造特征及识别标志 a—粉砂质泥岩,含砂质团块,商541井,3141.38 m;b—泥质粉砂岩,泥岩撕裂屑,商541井,3140.68 m;c—粉砂质泥岩,棕红色泥砾,部分泥砾两端有拉长的尾部,商547井,3339.79m;d—粉砂质泥岩,漂浮状含砂质条带棕红色泥砾,灰白色砂质团块,部分砂质团块有拉长的尾部,商548井,3306.37 m;e—粉砂质泥岩,漂浮状棕红色泥砾,夏601井,2938.15 m;f—块状层理砂岩,底部与泥岩突变接触,商548井,3276.74 m;g—土黄色泥砾水平分布、近乎直立分布,商548井,3285 m;h—泥砾发生扭转,商548井,3234.63 m;i—杂乱分布的泥岩撕裂屑,田斜302井,3496.47 m;j—底部冲刷面,商548井,3249.35 m;k—薄层砂泥互层,夏601井,2932.85 m; l—阶梯状小断层,商550井,3032.9 m;m—变形岩层与未变形岩层叠置,商543井,3133.76 m