古风化壳是指已形成的风化壳由于种种原因被后来的堆积物所掩盖,避免了强烈的剥蚀作用,其被保留下来的部分。
古风化壳对两岸岸坡岩体的变形破坏起控制作用。
The paleo-weathering crust control distortion and destruction of spillway rock mass.
储集层类型为下古生界奥陶系古风化壳型,其主力含气层为马家沟组第五段。
The reservoir type is Ordovician weathering crust in the Lower Paleozoic, and the main gas layer is in the fifth member of Majiagou Formation.
鄂尔多斯盆地中部大气田是发育在奥陶系顶碳酸盐岩古风化壳中的地层油气藏。
The giant central gas field in E′erduosi Basin is a stratigraphic gas reservoirs developed in the ancient weathered crust of carbonate rocks on the top of the Ordovician.
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