onlap
英 [英]
美 [美]
网络 上超; 超覆; 进覆
双语例句
- There exists a large-scale transgressive onlap boundary between the Langshan Formation and its underlying strata.
证实郎山组与下伏地层之间存在一大型海侵超覆界面； - Local truncation under sequence boundary and onlap above sequence boundary are ordinarily found on the 3-D seismic profile of high resolution.
在高分辨率的三维地震剖面上可清晰地见到层序界面之下的局部削截现象，层序界面之上的上超现象亦较为普遍。 - Hydrocarbon reservoir type we should explore mainly are: stratigraphic onlap hydrocarbon reservoir ascribed beach dam of lakes, updip pinchout hydrocarbon reservoir and lenticular hydrocarbon reservoir ascribed underwater gravity current.
重点勘探的油气藏类型为湖泊滩坝成因的地层超覆型岩性油气藏、上倾尖灭型岩性油气藏和水下重力流形成的透镜状岩性油气藏。 - The sequence boundaries can be divided into 4 types: orogenesis and erosion unconformity, uplift and erosion unconformity, marine transgression and onlap unconformity, and onshore exposure unconformity. The characters and genesis of every type were analyzed in the thesis.
层序界面可归纳为4种类型：造山侵蚀不整合层序界面、隆升侵蚀不整合界面、海侵上超不整合界面和沉积间断不整合界面，并分析了每一种界面的成因及特征。 - Characteristic of sequence contained two respects: plane symmetry of sequence structure and relative stability of strata distribution, strata onlap and truncation strata superposed development.
层序的特征包括两个方面：层序结构的平面对称性和地层分布的相对稳定性；地层超覆和削蚀岩层并存且上下叠置发育。 - These depressions are classified into four types of single fault with trough, single fault with onlap, double fault with graben and double fault with horst based on their sedimentary, characteristics and inner structural feature of depressions.
根据这些凹陷的沉积发育特征及凹陷的内部结构特点，将它们划分为4种结构类型：单断断槽式，单断断超式，双断地堑式，双断地垒式。 - The shift of onlap offlap points is a critical factor in sequence stratigraphic analysis and charting sea level curves.
地层超覆点的迁移是层序地层分析和海平面变化曲线编制的重要依据。 - In single fault with onlap depression, hydrocarbon migrated mainly towards the gentle slop on that the complex oil and gas accumulation belt formed;
单断断超式油气主要向缓坡运移，形成比较单一的斜坡复式油气聚集带； - The most favourable type is the onlap trap, which is mainly developed at the margin of the basin, the sides of Luliang uplift and in the sequences of ⅰ to ⅳ near the slope break inside the basin.
地层超覆圈闭是最有利类型，主要发育在盆地边缘、陆梁隆起两侧，以及盆地内部各坡折带附近的Ⅰ层序至Ⅳ层序中。 - On the seismic section it appears as erosion 、 toplap 、 onlap 、 downlap;
在地震剖面上表现为剥蚀、顶超、上超、下超；