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- onlapping unconformity 上超不整合
- Stratigraphy traps can be classified into stratigraphic onlap trap and stratigraphic erosion unconformity trap. 地层圈闭可分为地层超覆不整合圈闭和地层削蚀不整合圈闭。
- There is sufficient sand available to blanket the unconformity. 这里有充足的砂质物铺盖不整合面。
- There is sufficient sand available to smooth the unconformity. 这里有充足的砂子铺盖不整合面。
- At Scinto 6 uranium occurs in much altered dolerite below the unconformity. “辛托6”的铀矿体产于不整合面之下变质甚深的粒玄岩中。
- The unconformity marks the change from fluvial to marginal marine deposition. 不整合面标志着河相至边缘海相沉积的相变。
- The changes of fold uplift and sedimentation rates lead to onlap, overlap and offlap relationship in the growth strata. 构造抬升速率和沉积速率的变化,可引起生长地层的上超、超覆和退覆。
- How to recover the original positions of removed onlap and offlap point s has still been a pending problem. 如何恢复其原始沉积时的位置,至今尚无定量方法提出。
- The erosional surface dissected by such valleys may subsequently become an unconformity in the stratigraphic sequence. 被这种河谷切割的侵蚀面后来可能成为地层层序中的不整合性。
- The unconformity between the Eocene and the Lower Cretaceous is common in Jiuquan basin. 酒泉盆地普遍发育了始新统与下白垩统之间的不整合。
- The facies-varied zone and stratigraphic onlap zone of the Silurian in eastern Tazhong area are the main directions fur petroleum prospecting. 木部志留系岩性相变带、地层超覆带是石油勘探的主战场。
- Unconformity with your instructions, we have have the goods insure against total loss only. 遵照贵方指示,我们已将货物投保全损险。
- Unconformity with your instructions,we have have the goods insure against total loss only. 遵照贵方指示,我们已将货物投保全损险。
- Supersequence boundaries are characterized by truncation, onlap and toplap etc. on the seismic sections and sudden change of lithology and logging curve. 超层序界面在地震剖面上最明显的特征是出现削截、上超和顶超等反射终止现象,岩性、测井曲线也发生剧烈变化。
- There are four types of sub-upper Permian unconformities in the Tarim basin,they are fold truncation,faulted-block-turned truncation,onlap and parallel unconformities. 塔里木盆地的上二叠统或中、新生界与下伏地层之间存在着不同类型的不整合,如褶皱削截(超覆)不整合、断块旋转削截超覆不整合、超覆不整合和平行不整合等。
- In fact, the available sand is insufficient to form a continuous blanket overlying the unconformity. 事实上,所补入的砂质物不足以在不整合面上形成连续的盖层。
- The alluvial fans combined with the line of seismic onlap in southeastern part compose the complex stratigraphy lithologic and struc ture trap.Results from seismic and geo... 地震、地质综合研究结果表明 :该冲积扇地层岩性圈闭具有较好的生储盖组合条件 ,可形成地层岩性与构造复合圈闭的油气藏 ,是该区较有利的钻探目标。
- Study on the play and the distribution of Ordovician unconformity in central east Ordos basin. 鄂尔多斯盆地中东部奥陶系不整合面成藏组合及其分布规律
- Lacustrine sedimentation is mainly controlled by tectonic action.Seismic onlap pinch out boundary is difficult to be used for confirming excursion of the base level. 湖相沉积受构造控制作用强,地震上超点法难以用来确定基准面的变化幅度。
- The subaerial volcanic rocks underwent weak alteration and unconformity with underling strata. 与下伏地层多呈角度不整合接触,古风化壳常见,常含有陆相植物;