tectonic period

Coupling of Debris Flow Period , Climate Period and Tectonic Period in the Mountainous Area of Longnan

陇南山地泥石流期、气候期与构造期的耦合

The tectonic period of those faults in the front Longmen mountain became less , some of where experienced tectonic movement only one time .

到了前山断层，构造期次减少，有些地段才显示1次运动。

Multistage geomorphology structure reflects the new tectonic period in Northern Shaanxi plateau phase of uplift and Weihe Valley stage rift tectonic activity history .

多级地貌结构反映了新构造时期陕北高原阶段性抬升与渭河谷地阶段性断陷的构造活动历史。

In the active tectonic period , biogenic assembly has characteristics of low differentiation , and low abundance and the lamella structures of fossil groups are relatively simple .

构造活动期，生物组合具有低分异度、低丰富度的特点，化石的纹饰结构也相对简单；

Moreover , combined the new structure study of the three Gorges , this paper also puts forwards a dividing plan for new tectonic period , which has some practical significances to the study of engineering geology environments .

此外，文中还结合三峡的新构造研究提出了新构造期次划分方案，它对于工程地质环境研究是有实际意义的。

The tectonic erosion period is different from those occurred in sea and lake basins , and the erosion produced by the former happened mainly in river valleys , hill areas and the edge slope of table lands .

黄土高原构造侵蚀期与海、湖盆地构造侵蚀期不同，它所造成的侵蚀主要限于沟谷、丘陵区和塬边。

During the intense tectonic activity period , the effect of crust extension on sedimentary sequence was greater than that of sedimentation , and during the weak tectonic activity period , the relative sea level changes controlled the variations in internal depositional structure of the basin .

在构造活动强烈的时期，地壳拉伸对沉积层序的影响大于沉积作用，当构造活动趋于缓和时，相对海平面变化控制了盆地内部沉积结构的变化。

Su-Wan block : an independent tectonic unit during period of Tethyan evolution

苏皖地块&特提斯演化阶段独立的构造单元

Tectonic deformation since Indosinian period and its significance for hydrocarbon in Southeast Hubei

鄂东南地区印支期以来构造变形特征及油气意义

Tarim basin has undergone many times of tectonic movements since Sinian period , including compressional thrust movement which is dominated and extensional movement .

塔里木盆地从震旦纪至今经历了多期次的构造运动，包括挤压逆冲运动和伸展运动，但以前者为主。

Aiming at the problem of tectonic deformation of Indosinian period in eastern part of North China , the field investigation as well as the map compiling was carried out ;

针对华北东部印支期构造变形问题，进行了野外调研和室内编图工作；

It is first represented that the Su-Wan ( Jiangsu-Anhui ) Block is an independent tectonic unit in the period of Tethyan evolution .

作者首次提出苏皖地块是特提斯演化阶段一个独立的构造单元。

Ordos basin , which is rich in oil and gas resources , is a residual cratonic basin formed by the result of the superimposed tectonic movements in different period .

鄂尔多斯盆地油气资源非常丰富，是经过多期构造运动叠合而形成的残余克拉通盆地。

Volcanism and tectonic setting during Ordovician Period on north margin of Qaidam deep water carbonate debris flow in the Middle Ordovician Pingliang Formation of fuping , shaanxi

柴达木北缘奥陶纪火山作用与构造机制陕西富平中奥陶统平凉组的深水碳酸盐碎屑流

The characteristic of anthracite area in China is that the strong tectonic movement after geologic period destroyed seriously the coal bed primary structure , so the permeability and gas adsorbance solvability are low , in spite of the gas content is high .

中国无烟煤分布区的特点是聚煤期后的地质时代构造活动强烈，使煤层原始结构遭受严重破坏，因此含气量虽高，但渗透率低、可解吸气量低。

The late Paleozoic siliceous rocks formed in the complex background of the coexistence of continental margin , ocean basin and ridge , indicating the intense tectonic extension in this period , and forms small ocean basin and the oceanic crust in the strong extension part .

晚古生代硅质岩形成于大陆边缘、大洋盆地和洋脊共存的复杂背景下，指示这一时期的强烈构造拉张，在拉张强烈的部位形成了小洋盆和洋壳。

Hydrocarbon migration and accumulation are the results of combined action of various factors , but tectonic stress is the main driving force of hydrocarbon migration and accumulation during tectonic active period .

油气运移是各种因素综合作用的结果，但在构造活动期，构造应力是油气运聚的主要驱动力。

Material shows that the tectonic erosion periods occurred six times since 1.6 Ma . B.P. The depth eroded by each tectonic erosion period was different , it varies generality between 5 and 130 m.

资料表明，黄土高原约160万年以来发生了6次构造侵蚀期，各次侵蚀期下切深度存在差别，深度变化一般在5～130m之间。

Four tectonic evolution phases have been made out in this area . They are original crust formed in the Archean-Early Proterozoic era , continental crust shearing in the middle-new Proterozoic era , plate tectonic developed in Sinian-Triassic period and intracontinental orogeny in the Middle Cenozoic period .

将区内构造演化归纳为太古早元古代原始地壳形成、中新元古代大陆地壳裂解、震旦三叠纪板块构造体制、中新生代陆内造山等四个演化阶段。