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paleo mantle fluid
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  相似匹配句对
     Mantle eyes
     海湾扇贝外套眼由短柄与外套膜边缘相连,是由一个皮下眼囊构成。
短句来源
     MANTLE METASOMATISM
     地幔交代作用
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     CHARACTERISTICS OF OCEANIC LITHOSPHERE AND TRACE OF LOWER MANTLE FROM PALEO-TETHYS OCEAN BASIN
     古特提斯大洋岩石圈地幔的性质及下地幔的印记
     Mantle Plume in the Sanjiang Paleo-Tethyan Lithosphere:Evidence from Mid-Ocean Ridge Basalts
     “三江”古特提斯地幔热柱──洋中脊玄武岩证据
短句来源
     THE MANTLE FLUID AND METALLOGENY
     地幔流体与成矿作用
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Palaeozoic kimberlites borne xenolithes and basalts borne xenolithes which occured in North China platform, offer the deep source probe on researching the evolution of continental lithosphere began with Palaeozoic. The data of diamondifeous kimberlites and their xenolithes, show there was a cold, thick lithosphere presented in Palaeozoic. The basalt borne xenolithes indicate there was a hot, thin lithosphere in Cenozoic. The lithospheric thining and “oceanization” are the results of crut mantle interaction...

Palaeozoic kimberlites borne xenolithes and basalts borne xenolithes which occured in North China platform, offer the deep source probe on researching the evolution of continental lithosphere began with Palaeozoic. The data of diamondifeous kimberlites and their xenolithes, show there was a cold, thick lithosphere presented in Palaeozoic. The basalt borne xenolithes indicate there was a hot, thin lithosphere in Cenozoic. The lithospheric thining and “oceanization” are the results of crut mantle interaction at special history stage. The present formations of paleo mantle fluids in North China platform are reported in this paper in detail. It is regarded that the mantle fluids are the results of mantle evolution, and they also react on the mantle evolution. The shear zones and metasome layers in mantle with aboundant fluids acted as the weak zones, represented the unite of heat, fluid, chemistry and mechanism, are the major fields of lithosphere thining and delamination.

古生代含捕虏体的金伯利岩和新生代含捕虏体的玄武岩同出于华北地台,提供了研究自古生代以来岩石圈演化的深源探针。古生代含金伯利岩的侵位表明古生代时曾存在冷厚的岩石圈;而新生代含捕虏体玄武岩的喷发,表明新生代时存在热薄的岩石圈。岩石圈减薄与“大洋化”是层圈物质交换作用在一定历史阶段中的反映。地幔流体是地幔演化产物,反之又作用于地幔演化。富含地幔流体的幔内剪切带及交代矿物层作为幔内软薄弱带,存在热、流体、化学及机械的耦合,是岩石圈减薄拆沉作用的重要界面位置。

 
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