不整合面(surface of unconformity): 上、下地层之间的沉积间断面。 代表沉积间断的时期,可能代表无沉积作用的时 期,也可能代表以前沉积的岩石被侵蚀的时期。
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Surface of unconformity controls the gas migration and accumulation.
不整合控制着天然气的运移和聚集。
Role of surface of unconformity in formation of oil or gas reservoirs;
根据地层型油气藏与不整合面的关系首次提出“不整合体”的概念。
In the overlying basalt, there is high dip and wide tension fissure zone, which is combined with surface of unconformity which is as basal sliding face, to form loosening rock mass.
在上覆玄武岩层中见有高倾角的宽张裂隙带,与不整合面一起构成松动岩体,不整合面为底滑面。
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