您要查找的是不是:
- subducted continental crust 俯冲陆壳
- A large number of studies of geochronology and geochemistry indicate that Mesozoic intermediate-felsic rocks from the Dabie orogen have originated from recycling of the subducted Yangtze continental crust itself. 摘要大量的同位素地质年代学和地球化学研究表明,大别山中生代中酸性岩为俯冲扬子陆壳再循环的产物。
- Dynamic model for Pb isotope evolution in the continental crust of China. 中国大陆地壳铅同位素演化的动力学模型。
- The formation of granulite and its contribution to evolution of the continental crust. 麻粒岩的形成及其对大陆地壳演化的贡献。
- The continental crust is much thicker than average beneath the great mountain belts. 在高山地带下面的大陆地壳,其厚度要比平均厚度大得多。
- Late Archean and Early Proterozoic were the main period for the formation of continental crust. 晚太古宙和早元古宙是陆壳形成的主要时期,并已具现今板块活动特征。
- Dahuabei granite gensis of Wulashan gold deposit belongs to the continental crust(remould)remelting type. 乌拉山金矿带大体背花岗岩成因属陆壳(改造)重熔型。
- Taylor S R,Mcleannan S M.1985.The continental crust:its composition and evolution.Oxford:Blackwell. 西藏自治区地质矿产局.;1996
- Title: Dynamic model for Pb isotope evolution in the continental crust of China. 关键词:铅同位素;动力学演化;中国大陆;上地壳;下地壳;地幔
- Sources of material for the Linxi granitoids, the southern segment of the Da Hinggan Mts.: When and how continental crust grew? 大兴安岭南段林西地区花岗岩类的源岩:地壳生长的时代和方式?
- The convective heat of molten magma in the upper 10 km of the continental crust represents a significant geothermal energy resource. 大陆地壳10公里深度以内熔岩中的对流热是一种重要的地热能资源。
- "But at the same time, a horizontal pulling power inside the lower continental crust and mantle of the earth counteracts this upward movement," said Bian. “但同时,从下地壳一直到地幔上部在产生一种东西拉张的力量,这种拉力对喜马拉雅山的继续升高起到了阻碍作用。”
- The Fujian continental crust originated in Archean era possesses a characteristic of multi-phase and multi-stage activity during its evolution. 福建陆壳起源于太古代,在其发展演化过程中具多期、多阶段的特点。
- The crustal evolution of the Nurt area includes old continental crust stage,transitional crust stage of extensional type,conve... 金成矿为燕山期南北向挤压、构造活化动力学背景下的产物,属于与岩浆活动有关的中低温热液成矿。
- As the leading edge of one plate is consumed beneath the other, some of the magma finds its way up between cracks and crevices in the continental crust. 随着一个板块的前边缘被淹没在另一个之下,有些岩浆会顺着大陆地壳中的裂缝和缝隙向上涌出。
- Mantle upwelling in the early Proterozoic led to the uplifting and extension of Archean continental crust and the formation of Liaoning-Jilin rift trough. 通过幔壳长期作用,使深部巨量成矿物质以三种方式带入成矿热卤水盆地,在一定的自然地理与物理化学条件下矿质沉淀、富集形成大型与超大型硼矿床。
- This kind of unusual eclogite provides an opportunity to study the deep subduction of mafic lower continental crust and its recycling and effects on the mantle heterogeneity. 大别山这种不寻常的镁铁质下地壳俯冲成因榴辉岩为研究大陆深俯冲和陆壳物质再循环以及对地幔不均一性的影响提供了重要对象和可能性。
- Contamination by continental crust or lithosphere can yield subduction-type signatures and lead to the misidentification of contaminated continental basalts as arc related ones. 大陆地壳或岩石圈的混染作用可以给出似消减带信号,并导致将受到混染的大陆玄武岩误判为岛弧玄武岩。
- There are 3 major deformations caused by continental crust splits, laying the material foundations for hydrocarbon generation in Cenozoic different periods in the basin. 东海新生代盆地经历了3次重大的陆壳裂离改造及演化,从而奠定了新生代不同时期成油气的物质基础。
- The thickness of continental crust is not only thicker but also less dense than that of oceanic crust. The average thickness of the continental crust is thirty-five kilometers, though it may be considerably thicker or thinner in particular regions. 大陆壳的厚度比洋壳大,但密度小于洋壳。陆壳的平均厚度为35公里左右,局部地区有增厚和减薄现象。