查询词典 orogenic
- 与 orogenic 相关的网络例句 [注:此内容来源于网络,仅供参考]
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In the environment of pressure stress field that caused by the movement toward north of India, Australia and Pacific plates to the south and east, a strong intracontinental subduction overprinted on the deep delamination. of Dabie orogenic belt, and the subducting sediments of Yangtse plate were melted to form the "syncollision" peraluminous granite of this epoch.
在中国大陆南部和东部的印度、澳大利亚和太平洋板块的北向运动所造成的NS向挤压应力场环境中,大别造山带在深部拆沉作用的基础上,又叠加了一次强烈的陆内俯冲作用,俯冲的扬子板块沉积物质熔融形成该期&同碰撞&过铝质花岗岩。
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Based on tectonic evolution and magmatic activity of the Junggar basin and its surroundings,it is recognized that the ocean-continent transformation occurred at the end of the Early Carboniferous,and that a rifted trough of Middle-Late Carboniferous developed because of post-orogenic extensional collapse;(2)the prototypes of Permian-Early Pleistocene basins...
尽管油气地质勘探工作已达50多年,积累了丰富资料,但对于盆地原型和构造演化的看法仍然存在很大的分歧。分歧点主要是:(1)中、晚石炭世盆地的性质,究竟是属于残留海、海相前陆盆地还是属于伸展裂陷槽?(2)二叠纪至古近纪盆地
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Combined with the previous seismological studies in the region, our results show that the lithospheric mantle beneath the west Kunlun orogenic belts is perhaps the frontier of the subducted lithospheric mantle of the Indian Plate.
在已有地震学证据基础上,层析成像结果显示,西昆仑造山带下的高速岩石圈地幔可能是印度岩石圈地幔的俯冲前缘。
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From the tectonic structure point of view, the collision of the two plates forms a series of orogenic belt, while in the frontal edge of the subducting plate , it is always shaped into the foreland basin.
从大地构造的观点看,两个板块相互碰撞形成挤压造山带,常常在俯冲板块的前缘形成前陆盆地。
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The Central Orogenic Belt originally consisted of a series of microplates plus two rows of micro_oceans of different stages located respectively to the south and north of the microplates.
中央造山带原型是由一列微板块加上分别位于其北面和南面的两列不同时期的小洋盆组成。
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They are:①completed total 8 000 km long natural seismic profiles cross the northern boundary and central part of the plateau, identified several deep-cut lithospheric faults and low velocity and low density bodies under the central part of the plateau related to Cenozoic volcanic eruption, the Tarim block subducted beneath the Altun Mts;②found the evidence that the Altyn Tagh fault formed in 220~240 Ma and at least 400 km sinistral offset since, and determined quantitatively deformation in Cenozoic;③discovered 350 km long high-ultrahigh pressure metamorphic belt in the south border of the Qilian terrane,which brobably represented the Early Paleozoic boundary between the North China and Yangtze plates;④according to new discoveries of caledonian ophiolite,granite are subducted complex established paleo-collision orogenic framework of northern Qinghai-Tibet plateau;⑤proposed a new model .
本文展示了中法1995~2000年青藏高原北部地学研究的如下主要新进展:①完成8 000 km长的青藏高原北部及中部天然地震岩石圈探测剖面,确定若干条岩石圈断裂,发现与新生代火山喷发有关的青藏高原中部深处的低速、低密度体,塔里木地块俯冲于阿尔金山之下;②提出阿尔金断裂形成于220~240 Ma和左行平移400 km的科学依据及确定其新生代变形量;③确定祁连南缘350 km长的高压-超高压变质带,提出其可能代表早古生代时期北中国板块与扬子板块之间西部界限的新认识;④根据加里东期蛇绿岩、花岗岩及俯冲杂岩带的新发现,初步建立了古碰撞造山格架;⑤提出高原隆升的&地幔底辟和内向陆内俯冲&的新假设。
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Chemical compositions and genetic characteristics of plagioclases, biotites and amphiboles of typical Yanshanian intrusions in the core of Dabie Orogenic Belt are presented.
分析了大别造山带核部典型燕山期侵入体中的斜长石、黑云母和角门石的化学成分和成因特点,并从矿物平衡角度讨论了典型侵入体岩石成因。
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Mineral chemistry and P-T estimation results of the amphiboles of different occurrences indicate that the eclogite xenoliths were subjected to a clockwise P-T evolutional path, implying that an orogenic event happened in the eastern part of the North China Craton in the early Mesozoic.
不同产状角闪石矿物化学成分的差异和温压估算结果显示,榴辉岩类捕虏体经历了一个顺时针的P-T演化轨迹,进而反映了中生代早期华北克拉通东部造山作用的存在。
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This implies a major stage of crustal growth in Proterozoic time and remelting of the crustal material in Early Jurassic time;(5) The Oligocene-Miocene adakites contain magmatic zircons that show similar Hf isotope compositions to the Cretaceous-Paleogene Gangdese batholiths, providing a key constraint that allows evaluation of the nature and timing of crustal thickening in southern Tibet owing to the India-Asia collision; and (6) As a whole, the Hf isotope information observed in zircons from the above Transhimalayan rocks demonstrates a temporal variation in εHf values, and thus TDMC ages, that suggests multiple stages of orogenic or crustal formation events.
五、渐新世、中新世的埃达克岩,其岩浆锆石的铪同位素特徵与白垩纪、古第三纪冈底斯岩浆相似,因而为藏南在印亚碰撞以后,地壳增厚的时间与机制提供了关键性的制约;六、综观上述藏南火成岩中的锆石,它们与时变化的铪同位素初始值及其对应的模式年龄记录了拉萨地块多阶段的造山与地壳形成历史。
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The authors think that the magmas of the intermediate-acid volcanic rocks were derived from basaltic magmas of the lower crust and are mixed magmas produced by the increase of geothermal gradients due to diapiric injection of basaltic magmas and partial melting of intermediate-basic metamorphic igneous rocks in the lower crust,and that they resulted from a series of tectonomagmatic activities that took place when the closing of the Mongolian-Okhotsk sea trough and continent-continent collision caused crustal thickening and brought about the formation of the Hinggan-Mongolian orogenic belt in the process of oblique subduction of the Paleo-Pacific plate beneath the Siberian plate.
中文摘要:通过对大兴安岭北段晚侏罗世吉祥峰组中酸性火山岩的岩石地球化学研究,发现其中存在高Sr低Y型火山岩,即文献上所称的埃达克质岩,笔者认为中酸性火山岩的岩浆起源于下地壳玄武质岩浆,为玄武质岩浆底辟上侵引起地热梯度增加、下地壳中基性变质火成岩石部分熔融的之混合岩浆,是古太平洋板块向西伯利亚板块斜向俯冲过程中,蒙古鄂霍次克海槽封闭,陆壳碰撞使地壳加厚,形成兴蒙造山带时所引起的一系列构造岩浆活动。
- 推荐网络例句
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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.
另一方面,更重要的是由于城市住房是一种异质性产品。
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Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.
气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。
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You rap, you know we are not so good at rapping, huh?
你唱吧,你也知道我们并不那么擅长说唱,对吧?