查询词典 tectonic

The geosynclinal tectonic layer was composed of sandstone-slate rocks of Lengjiaxi Group in the area.

湘东地区属于雪峰山构造带的东延部分，其区域地壳演化至少经历了前地槽、地槽、地台和地洼等构造发展阶段。

Crustobody-A New Concept of Integrative Geotectonics;2. And its tectonic evolution and dynamic model of the northwestern crustobody of the South China Sea is preliminarily discussed.

本文根据南海西北部壳体的地形地貌、重磁场异常和地壳结构特征和岩石圈动力学环境，对穿过莺歌海盆地和西沙海槽的地震剖面进行解释。

The study level of tectonic environment is not high for the phase of Neoproterozoic to early Cambrian in the study area, lacking combined foundation of sedimentation, stratigraphy, petrology and geotectonics.

研究区新元古代-寒武纪早期构造环境的研究程度较低，缺少沉积学、地层学、岩石学和构造地质学的综合研究基础。

Furthermore, through the way of Quaternary Geology, Tectonic Geology and Geography, the coupling relation between eco-environment and geotectonics has been discussed based on the Theory of Dissipative Structure and the Hypothesis of Wavy Mosaic Structure.(1) Clear-cut of related ideas.

本文以陕西生态环境以及生态环境与构造的关系为研究对象，综合运用野外调查、遥感GIS手段、历史文献分析等，系统论述了陕西各种生态环境特征、危害及其成因；在此基础上，应用第四纪地质学、地质构造学、以及自然地理学的基本方法分析了陕西生态环境特征和问题形成的构造机制，运用耗散结构理论和波浪镶嵌构造学说从理论与实践的结合上，探讨了生态环境整体性与构造的耦合关系。

The characteristics, the spatio-temporal distributions, origin and tectonic backgroud of the glaciomarine deposition, diamictite, pebbly slates were studied too.

对冰海相杂砾岩、含砾板岩的特点、成因、大地构造背景和时空演化的规律进行了研究。

In this paper, we report our structure observation and U-Pb zircon ages of the two types of Triassic granites, and use these data to place chronological constraints on the tectonic evolution of the western Kunlun orogenic belt. The gneissic garnet-bearing granite was crystallized at 241 Ma, whereas the horblende-bearing granite emplaced at 228 Ma.

对西昆仑西段海西晚期两类构造特征完全不同的花岗岩露头尺度的观察、锆石U-Pb定年结果表明，一类含石榴子石片麻状花岗岩形成时代为240.5±1.8 Ma，表现出同造山过程中的花岗岩变形特征；另一类块状含角闪石花岗岩的年龄为228.2±1.5 Ma。

Nalati tectonic belts as the ultimate demise suture of south Tianshan ocean between Tarim plate - Yili-plate, of which basement is composed of lower Proterozoic gneissic metamorphic supracrustal rocks of Nalati rock group and early Proterozoic gneissic granite.

塔里木-伊犁微板块间的南天山洋最终消亡缝合线——那拉提构造带，基底由下元古界那拉提岩群的片麻岩、变质表壳岩及早元古代片麻状花岗岩组成。

Amugang early Yanshan granitoid is thought to be formed in tectonic setting of post-collision.

认为阿木岗燕山早期花岗岩体形成于后碰撞构造环境。

Granitoid rocks ; Chronology ; Petrology ; Geochemistry ; Tectonic environment ; Southern Tianshan.

花岗岩类岩石；年代学；岩石学；地球化学；构造环境；南天山

Also, there is no formula can be used to calculate errors of these parameters.Based on above reasons, the purposes of the research are to build a reliable geochronological framework of Paleozoic granitoid in study area, to distinguish their genetic types and tectonic settings, and to analyses their orogenic response; to derive a set of formulas for calculating errors of the paramers mentioned above; to ascertain if North Qaidam belongs to North China Block or Yangtze Block.

基于上述存在的问题，本项研究的目的是：建立研究区古生代花岗岩类精确的年代学格架，判别其成因类型和构造环境，分析其造山响应：推演出一套适用于Sr、Nd同位素初始比值和Nd同位素模式年龄等重要示踪参数误差计算的公式；确定柴北缘地区大地构造属性(华北板块还是扬子板块？)。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。