古特提斯
- 网络paleo-tethys;PaleoTethys
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晚三叠纪随古特提斯的闭合,经印支运动张裂陆缘发生反转,形成印支褶皱造山带。
Otherwise with Paleotethys closing in late Triassic period , the pull-apart continental margin reversed in Indo-China movement creating Indo-Chinafolded orogeny .
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这一沉积记录所反映的演化趋可能标志着古特提斯残留海的一次重大构造转折。
The evolutionary tendance reflected by the above sedimentary record probably signifies an important tectonic turn in the history of the residual Paleotethys ocean .
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在超高压变质带的研究中最受关注的问题是大陆壳如何被俯冲到地幔的深度义返回地表的。(2)P2,中特提斯(古南海)开始出现、古特提斯开始消减阶段;
An important Problem was how continent crust subduct and exhumate . ( 2 ) P_2 , the stage in which Meso-Tethys ( Paleo-South China Sea ) began to open and the Paleo-Tethys to subduct ;
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古特提斯洋时期,Au-Sb强烈富集在金沙江洋脊环境,Cu强烈富集在金沙江洋岛环境;
In the Paleo Tethyan ocean period , Au and Sb were strongly enriched in the Jinsha River mid ocean ridge setting , and Cu was evidently enriched in the Jinsha River oceanic island setting .
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古特提斯弧时期,金沙江洋内弧表现出Cu的富集,Pb-Zn富集在滞后弧,而碰撞弧及澜沧江陆缘弧没有成矿元素的明显富集;
In the Paleo Tethyan arc period , Cu was enriched in the oceanic island arc , and Pb and Zn were enriched in the post collisional arc (" delay " arc ) . The collisional arc and Lancang River continental marginal arc were not rich in the mineralizing elements .
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因此,羌塘中生代盆地对于认识古特提斯洋向中特提斯洋的演化过程具有重要的指示意义。
So the Mesozoic Qiangtang basin has great implications for the Mid-Tethyan ocean .
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论东特提斯形成与演化的基本特征(3)古特提斯与中央造山系的关系;
What is the relationship between the Paleo_ Tethys and the Central Orogenic System ?
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岩浆形成于大陆弧的构造背景,俯冲的陆壳和古特提斯洋壳对富集的源区均有贡献。
Both subducted continental and ancient Tethyan oceanic crust contributed to enriched mantle source region .
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试论地幔柱构造与川滇西部古特提斯的演化
Mantle Plume Tectonics and Tethyan Evolution : A Preliminary Interpretation in Sichuan and Western Yunnan Provinces
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环太平洋带、古特提斯带和中亚-蒙古带为世界斑岩铜矿最发育,地质工作最为活跃的地区。
Porphyry copper deposits were developed mostly in circum-Pacific belt , Paleo-Tethys belt and Central Asia-Mongolian belt .
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这一发现对认识古特提斯洋-陆转化过程具有重要意义。
This discovery has great significance for the understanding the process of the ocean-land transformation of the Paleo-Tethys .
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滇桂交界处的印支期前陆褶皱冲断带为古特提斯造山带提供了进一步的证据。
The Indosinian foreland fold and thrust belt bordering Yunnan and Guangxi supported further evidence to the Paleotethysides .
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这两个地区的火山岩研究为了解古特提斯的演化提供了新的证据。
The studies on the volcanic rocks from these two areas provide new evidences for understanding the Paleo-tethyan evolution .
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因此,金沙江带不能作为古特提斯域的主缝合带。
It proves that the Jinshajiang suture zone could not have formed the main suture zone in the Paleo-Tethys domain .
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通过对该弧状构造带的构造特征、构造演化及动力学背景进行的探讨,研究认为,其生成可能与古特提斯收缩闭合有关,并呈现出由西向东的剪式闭合特征。
Its formation may be related to the close of the ancient Tethys , and shows the shear convergence characteristics from west to east .
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总体反映了古特提斯晚二叠世&中三叠世的残留洋盆性质和主洋域之所在。
All these features suggest the nature of a Late Permian-Middle Triassic remnant basin for the Paleo-Tethys and the position of the main ocean domain .
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中亚蒙古大洋、秦祁昆大洋、古特提斯洋、中特提斯洋、印度洋以及印度板块等在不同地质时期的板块活动是中国中西部地区盆地演化发展的动力学因素。
The plate movements in different geological history phrases are the dynamics of basin evolution and development in the middle and western parts of China .
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以上认识为中、越交界地区构造上属古特提斯造山带提供了新证据,为重塑该地的古特提斯演化提供了重要资料。
The knowledge provides new testimonies for the area bordering China and Vietnam being , tectonically , Paleotethysides and key data for reconstructing Paleotethyan evolution there .
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大概在石炭纪,古特提斯洋开始发生消减,证据就是马来西亚东部石炭系沉积物中发现大量火山岩。
Subduction of the Palaeo-Tethys may have begun in the Carboniferous , with evidence for this being abundant volcanics in Carboniferous sediments in eastern Peninsular Malaysia .
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第一阶段的冷却抬升与古特提斯洋俯冲闭合后向北的持续挤压导致东昆北地块的隆升有关。
The first stage corresponds to the uplift of the northern block of the East Kunlun related to the Paleo-Tethys subduction and continued extrusion in this area .
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最近发现的蛇绿岩指示中、越交界区发育一条古特提斯的地缝合线,分开了越北地块和华南次大陆。
Recent discoveries on ophiolites indicate that there must have been a Paleotethyan geosuture zone bordering China and Vietnam , which separated the Vietbac Block from the Huanan Subcontinent .
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古特提斯蛇绿岩带典型蛇绿岩区的地质构造解析研究表明其经历印支期以来多期强烈构造活动改造。
The initial location of sutures greatly changed by events of Indo-Chinese epoch , Yanshanian epoch , and Himalayan epoch can be concluded from our research of the typical ophiolite outcrop area .
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本区侏罗纪沉积盆地是在晚三叠世古特提斯洋闭合的基础上,随新特提斯洋开合而发展演化的,消亡于古近纪初期。
The Jurassic sedimentary basin in the area developed and evolved on the basis of the closing of the Late Triassic Paleo-Tethys Ocean and with the opening and closing of the Neo-Tethys Ocean .
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本文主要论述了海南岛中东部屯昌地区变基性岩体的变质作用特征及与古特提斯构造演化的关系。
This paper examines the metamorphic characteristics of the Paleozoic metabasites in the Tunchang area , East-central Hainan Island , China with respect to the tectonic processes in connection with the evolution of Paleo-Tethys .
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它所包括的4个放射虫组合指示其形成时代为晚二叠世末至中三叠世,从而大大改变了我们以往对古特提斯演化所拟定的时间表。
Four assemblages of radiolaria found in the formation data the sequence from late Late Permian to early Middle Triassic , which greatly changes the generally estimated progress schedule for the Paleotethys ' evolution .
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扬子板块在二叠纪与塔里木板块离散并向东漂移的论断若能成立,则为古特提斯在中国境内首先打开提供依据;
If the hypothesis that the Yangtze plate was separated from the Tarim plate and migrated eastward in the Permian can hold , it can serve as evidence for the first opening of Paleo-Tethys in China .
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经过对奥陶纪全球各板块古地理位置和塔里木板块周边古特提斯洋洋流情况的分析,提出塔里木板块奥陶纪牙形石动物群分区归属期次性变化是由板块运动和洋流共同作用导致的。
After analyzing the paleogeographic reconstruction and the paleo Tethys Ocean flow surrounding the Tarim plate , a point was made that the alteration of conodont faunas of the Ordovician on the Tarim plate was jointly caused by the plate tectonics and ocean currents .