显生宙
- 网络phanerozoic;Phanerozoic Eon
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显生宙以来,中国西部盆地演化经历了4个大地构造旋回,受控于全球四大洋-陆体制的变迁。
After Phanerozoic Eon , evolution of western basin in China undergone four tectonic cycles controlled by change of four oceans and lands .
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澄江化石库是显生宙以来地球上已知最早的多细胞动物群之一,它以丰富的化石种类和精美的保存质量,成为窥探寒武纪生命大爆发的绝佳窗口。
Tte represents one of the earliest multicellular faunas on earth since the Phanerozoic eon . It becomes the most excellent window for deciphering the Cambrian explosion because of its abundant fossils and exquisite preserving quality .
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现已查明,前寒武纪原油除了具有显生宙原油的许多特点外,还具有一些特殊的特性。所研究的前寒武纪原油富含~(12)C轻质同位素。
It is found that the Precambrian crude is of some special features besides natures of phanerobiotic crude , that is , it contains abundant ~ ( 12 ) C light isotope , and in its aliphatic composition dominates normal paraffin hydrocarbons .
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UHPM记录了显生宙俯冲-碰撞造山带早期碰撞过程中的低热流梯度及陆壳的深俯冲作用。
HPM-UHPM registers the low thermal gradients and deep subduction of continental crust during the early stage of the collision process in Phanerozoic subduction-to-collision orogens .
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震旦纪大冰期后开始了显生宙。
After the Sinian Great Ice Age , the Phanerozoic started .
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塔里木盆地北部显生宙基准面升降运动规律与沉积演化
Base_level change regularities and sedimentary evolution of Phanerozoic in North Tarim Basin
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显生宙中国大地构造演化的古地磁研究
Paleomagnetic research on the Phanerozoic tectonic evolution of China
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秦岭显生宙古海洋演化
Evolution of the Phanerozoic paleo - ocean of Qinling
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显生宙脉型铀矿床成矿理论的几个基本问题
Some basic metallogenetic aspects on Phanerozoic vein-type uranium deposits
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地球上有两套完全不同的造山系统一直存在于显生宙。
Two fundamentally different orogenic systems have existed on Earth throughout the Phanerozoic .
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二叠纪末的生物大绝灭事件是显生宙以来最大的生物绝灭事件。
The end-Permian biotic event is the greatest mass extinction in the Phanerozoic .
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白垩纪-古近纪是显生宙最热、最为典型的温室气候时期。
The Cretaceous-Paleogene is the hottest , most typical greenhouse period in the Phanerozoic .
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华北地块北缘及邻区显生宙构造应力场
Phanerozoic tectonic stress fields of North Marginal North China Craton and its adjacent area
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中扬子地区显生宙构造演化及其对油气系统的影响
Phanerozoic tectonic evolution and its influence on the petroleum system in the middle Yangtze Region
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显生宙期间,中国南部的构造属性曾几经转化。
The tectonic nature of southern China has Changed again and again in the Phanerozoic .
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年轻的钕同位素模式年龄表明该区存在新元古&显生宙的地壳增生。
The young Nd model ages suggest a significant crustal growth in the period of Neoproterozoic-Phanerozoic .
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中国东部显生宙地幔演化的主要样式:蘑菇云模型
The main evolution pattern of Phanerozoic mantle in the eastern china : the mushroom cloud model
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大洋钻探与全球变化(一)&南极地区显生宙晚期气候演变历史及对全球的影响
ODP and global changes (ⅰ) the Antarctica climate evolution during the latest Phanerozoic and its global influence
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统一陆壳也是显生宙以来逐步形成的:主要经历了加里东和华里西-印支两大构造阶段。
The Qinghai crust was gradually collaged during the Paleozoic and mainly underwent Caledonian and Hercynian-Indosinian tectonic events .
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辽宁桓仁多金属矿床的铅同位素组成&显生宙单阶段幔源铅的证据
Lead isotopic compositions of Huanren polymetallic ore deposit , liaoning province : evidence from Phanerozoic single-stage mantle-source lead
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该研究从另一个侧面证明中亚造山带存在一定规模的显生宙陆壳生长。
This study provides new evidence for continental crustal growth in the central Asian orogenic belt during the Phanerozoic .
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从元古宙到显生宙,铜矿床由地幔型向幔壳型→壳幔型→壳源型演化;
Copper deposits were evolved from mantle type → mantle crust type → crust mantle type → to crust source type .
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塔里木显生宙盆地演化经历了震旦纪泥盆纪、石炭纪二叠纪和中新生代3个一级构造旋回。
The evolution of the Tarim basin in Phanerozoic time has experienced Sinian Devonian , Permo Carboniferous and Meso Cenozoic tectonic cycles .
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在成因上同时与太古宙绿岩建造和显生宙花岗岩类有关的一系列金矿床构成了地台区特有的金矿床系列。
A series of gold deposits related to both Archaen green stone formation & Phanerozoic granites constitute the characteristic gold deposit series in platforms .
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近年来,显生宙以来海水锶同位素的变化曲线不断得以补充和修正,已建立起具有全球一致性、可对比的海水锶同位素变化曲线背景值,为锶同位素的应用奠定了基础。
Some global consistent and comparable marine Sr isotope curves for the Phanerozoic have been established recently . This tendency was consistent with global warming .
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国外不少著名成矿省位于太古宙克拉通内部,为什么中国的有色贵金属等热液矿床却集中分布于显生宙造山带内部或其边缘?
Many large metallogenic provinces distribute in inner craton in the world , while the metallic hydrothermal deposits distribute in Phanerozoic orogens or their sides ;
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秦岭显生宙的放射虫硅质岩是产于陆壳基底上的硅质岩,它们不能作为洋壳发育的证据;
Phanerozoic radiolarian cherts in the Qinling was formed on the continental basement and cannot be considered as evidence of the development of oceanic crust .
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在国际地层委员会的领导下,经各国科学家的努力,已确定了显生宙各地质时代的主导化石门类。中国区域地质调查工作应注重主导化石门类,以便更有效地解决地层问题。
Under the leadership of the International Commission on Stratigraphy ( ICS ), the Phanerozoic stratigraphy has been basically established by the leading fossil groups .
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地磁场的强度和地磁极倒转频率在显生宙有明显变化,有高峰期和平静期。
At least in the Phanerozoic , the geomagnetic intensity and polarity reversal frequency show evident changes and contain alternating stages of activeness and of quiescence .
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华北克拉通东部显生宙以来的地幔可以划分为3种类型:克拉通型地幔,大陆活动带型地幔和大陆裂谷型地幔。
Three mantle types of lithospheric mantle can be recognized in eastern North China craton . They are : 1 craton type ; 2 continental mobile belt type ;