下刚果盆地早白垩世巴雷姆晚期深水重力流沉积的发现及意义*
余烨1,2, 王莉1,2, 尹太举3, 张兴强3, 黄俨然1,2, 曹涛涛1,2

Discovery and significance of deep-water gravity-flow deposits of the late Barremian of Early Cretaceous in Lower Congo Basin
Yu Ye1,2, Wang Li1,2, Yin Tai-Ju3, Zhang Xing-Qiang3, Huang Yan-Ran1,2, Cao Tao-Tao1,2
下刚果盆地下白垩统巴雷姆阶Pointe Indienne组滑动、滑塌沉积特征a—X4井,1132.56 m,滑动岩体,滑移面下部见砂岩喷出、泥岩变形;b—X2井,1204.58 m,滑动岩体,滑动砂岩封装在灰黑色泥质单元中,上、下界面呈不规则突变接触;c—X2井,1186.57 m,滑动岩体,滑移面之上可见明显的底部剪切作用,泥岩撕裂屑在剪切面上发育;d—X4井,1202.42 m,滑动岩体,主滑移面在砂岩与泥岩的分界,次滑移面发育于砂岩内部;e—X3井,1141.70 m,滑塌沉积,中砂岩中扭曲砾石囊;f—X1井,1185.64 m,滑塌沉积,旋转火焰构造;g—X1井,1199.93 m,滑塌褶皱砂岩;h—X2井,1218.26 m,滑塌褶皱泥岩;i—X2井,1189.03 m,滑塌沉积,扭曲杂乱砂岩层;j—X3井,1067.04 m,滑塌沉积,肠状褶皱砂岩岩脉