escarp
- v.使成急斜面
- n.内壕
escarp-
Alluvial fan and fan delta developed in escarp region of the north of the sag , and river-delta farmed in ramp belt of the south . These sediment bodies are characterized by sandstone pinch out , which is the base of lithological hydrocarbon reservoir . 2 .
中生界在洼陷北部陡坡带发育冲积扇、扇三角洲沉积体系，在南部缓坡带发育河流三角洲沉积体系，这些沉积体系在斜坡部位易形成砂体尖灭，是形成岩性油气藏的基础。