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组沉积构造 a—X2井,1252.70 m,正粒序层理,灰褐色含砾粗砂岩过渡到细砂岩;b—X3井,1131.45 m,块状层理,棕褐色中砂岩;c—X2井,1217.24 m,平行层理,灰褐色细砂岩;d—X4井,1176.37 m,爬升波纹层理,灰褐色粉砂岩;e—X1井,1151.34 m,槽模,红箭头指示水流方向;f—X1井,1170.08 m,包卷层理,棕褐色细砂似平卧褶皱;g—X3井,1145.09 m,重荷模,灰褐色中细砂底部呈瘤状凸起;h—X3井,1100.48 m,球枕构造,灰褐色中细砂岩陷入灰黑色泥岩中呈椭球状;i—X3井,1144.94 m,泄水构造,灰褐色细砂岩中可见上凹碟状纹层和泄水通道;j—X2井,1230.35 m,火焰状构造,灰黑色泥岩、泥质砂岩挤入上覆灰褐色中粗砂岩中呈火焰状