剥蚀面

在不同海拔高度的山前剥蚀面上，风化壳红土化程度的差异，是不同时期风化作用的产物。

On the denudation surfaces with varying elevation , the difference among weathering profiles is result of different laterization processes .

野外地质地貌调查和对川西高原DEM的分析结果表明，川西高原存在两级夷平面和一级剥蚀面。

Field observation and analysis of the DEM of Western Sichuan Plateau indicate that , there are two planation surfaces and one erosion surface in Western Sichuan Plateau .

T5&在地震剖面上，基岩凸起区具有明显的剥蚀面反射特征，为两个特征明显的强相位，连续性较好，可在基岩凸起区连续追踪对比。

T5 shows two strong phrases with obvious features and continuous well in seismic sections .

上三叠统须家河组顶部剥蚀面形成于晚印支期，剥蚀厚度处在80~150m；

The erosion thickness at the top of Xujiahe Formation , Upper Triassic , is 80 ~ 150 m , which was formed at later Indo-Chinese epoch .

在层序的划分过程中建立了浅水区域层序界面的识别标志，即暴露剥蚀面、河道冲刷面、地层叠加型式转换面及泥岩颜色突变面。

Identification marks of shallow-water sequence boundary were established , that is exposure erosion surface , channel scouring surfaces , formation stacking transformation , surfaces showing abrupt changes of mudstone color .

塔北地区存在志留系剥蚀不整合面，喜山期由于受前陆盆地演化作用的影响，不整合面北倾，与南倾的志留系地层形成剥蚀不整合圈闭形成的最佳组合。

The unconformity surface is down dipping to the north due to influence of the area undergone a foreland basin evolution during the Himalayan movement , which formed one best combination with the Silurian strata dipping downward to the south for creating the truncated unconformity traps .