海西运动

海西运动期间褶皱地层可能倒转，抬升剥蚀可能达5000m左右，接着发生退成岩作用。

The folded strata might have been inverted during Hercynian movement , uplifted and eroded about 5 000 m and associated with ' retrodiagenesis ' .

海西运动在塔里木盆地油气成藏中的意义

Significance of Hercynian Movement in Hydrocarbon Accumulation in Tarim Basin

中－上奥陶统烃源岩第一期排烃发生在晚海西运动前后；

The first expelling hydrocarbon of Mid Upper Ordovician source rock in about late Hercynian orogeny ;

晚海西运动、晚燕山运动对盆地烃源岩的成熟具有重要的影响。

The thermal events of late Hercynian movement and late Yanshanian movement has great effects on the maturation of source rocks .

海西运动晚期，大量的火山碎屑随同陆源碎屑沉积成岩，使其形成的这套富含火山物质的碎屑岩具有特殊的物化性质；

In late Hercynian , a series of volcanics-rich clastic rocks were formed by sedimentation of volcanic clasts and continental clasts .

通过对已知油气藏成藏过程和圈闭形成期的分析，确定了出含油气系统关键事件和关键时期，认为海西运动期以聚油为主，喜马拉雅运动期以聚气为主；

Based on known reservoir-forming processes and trap-formed period , the critical event and critical timing for shaping a petroleum system were determined .

在琼库恰克构造带的形成和发展过程中经历了海西运动期古构造形成阶段及喜马拉雅运动期现今构造定型阶段。

The formation and development of Qongkuqak structural zone underwent two stages , i.e. , Hercynian paleostructural forming stage and Himalayan present-structural forming stage .

受海西运动和燕山运动的影响，形成深浅两套断裂系统。

Affected by Hercynian movement and Yanshan movement , two rift systems - the shallow rift system and the deep rift system take shapes .

同时探讨了储盖组合与油气运移、聚集的关系，认为海西运动期及喜马拉雅运动期是两大油气成藏期。

Moreover , this paper discussed the relations between reservoir caprock assemblage and hydrocarbon migration and accumulation , and pointed out that Hercynian and Himalayan movement are two reservoir forming periods .

二叠纪早期，海西运动使上扬子台地整体下降，区内接受最广泛的海侵，至长兴期形成了浅海台地沉积环境。

In the early Permian , Hercynian sport make the Upper Yangtze Platform overall decline , in the region received the most extensive transgression , forming a shallow sea platform of sedimentary environment in Changxing formation .

本论文的研究成果和认识有：确定了西秦岭在泥盆纪海西运动时发育了相当规模的裂谷构造，产生了海底热水喷流作用，形成了沉积型铅锌矿层和含金碎屑岩层；

The research results is as followed : ( I ) The west QinLing had grown rift at Devonian period in the HaiXi movement , which produced exhalation of the hot water of bottom of sea , forming sedimentation-type lead-zinc ore layer and gold-hosted clastic sediment ;

火成岩研究资料表明，海南岛地区在晚海西-印支运动期间曾形成一个具有加厚陆壳的后地台造山带；

It has been shown by the researches of igneous rocks that a post-platform orogenic zone being of a greatly thickened continental crust was once formed in the Hainan area during the late Hercynian-Indosinian cycle ;

这一海槽经海西多旋回构造运动和离陆向洋迁移，于早二叠世末期由西向东逐步封闭。

After the Hercynian polycyclic tectonic movement and migration from land to ocean , this trough gradually closed from west to east from The end of early Permian .

中国古大陆沉积-构造演化在加里东运动期和海西-早印支运动期，发育两个构造层次的海相盆地。

Two structural strata of the marine basins are developed in Caledonian movement and Hercynian-early Indo-China movement for Chi - na 's old land sedimentary and tectonic evolutions .

海西期的年龄主要由高铀独居石反应出来，锆石并未明确指出这期事件的事实尚难论断此区历经海西运动，若有此一运动其变质程度亦只影响到独居石；

Hercynian event is only reflected by the high-U monazite but not the zircon ages , indicating that the influence of this orogenesis may be limited if it really existed ;