basalts的例句大全

Petrogenesis research and tectonic environment analysis about Mesozoic-Cenozoic basalts from southern Hunan

湘南中新生代玄武岩成因研究及构造环境分析

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It is the suture zone between Qinling and Yangtze plates. It is a tectonic melange, consisting of tectonic blocks of ultrabasic rocks, gabbros ( accumulative gabbros), diabasic dike swarms, mid& ocean ridge basalts and island arc volcanic rocks.

它是秦岭与扬子之间的缝合带，为一典型的蛇绿构造混杂带，由超基性岩、辉长岩（堆晶辉长岩）、辉绿岩墙群、洋脊玄武岩和岛弧火山岩构成。

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The basalts have low TiO 2 and P 2O 5 content and are enriched in LIL and LREE.

玄武岩具有低TiO2和P2O5含量且富集LIL和LREE元素。

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Characteristics of three-component mixing of oceanic basalts and three-layer mantle structure model

大洋玄武岩的三元混合特征及地幔的三元结构模式

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According to petrochemistry characteristics, middle basalts are named quartz tholeiite primarily and southern ones olivine tholeiite.

根据岩石化学特征命名，中部样品主体为石英拉斑玄武岩，南部样品则为橄榄拉斑玄武岩。

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The REE of calc-alkali basalt and tholeiite are characterized by lower amounts of REE and LREE-depleted distribution pattern and which reflect that the basalts were formed by the partial melting of LREE-depleted and slightly HREE-rich mantle.

钙碱性玄武岩系列和拉斑玄武岩系列玄武岩具有低的REE含量和亏损的LREE配分型式，表明它是由LREE亏损和HREE略有富集的地幔部分熔融形成；

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Petrological and geochemical characteristics and tectonic implication of Cenozoic basalts in TUNKA basin in Baikal rift belt

贝加尔裂谷带通京盆地新生代火山岩石学与地球化学特征及其构造意义

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Research on petrology and geochemistry of Cenozoic Neogene basalts on Jiangsu-Anhui border revealed that basalts had the characteristics of alkali basalt system rich in Titanium 、 al-kali 、 lithophile element.

本文通过对苏皖嘉山一盱眙地区新生代晚第三纪玄武岩的岩石学、岩石化学及岩石地球化学的研究表明该区玄武岩具有富钛、富碱和贫铝的特点、属大陆碱性玄武岩系列。

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PREMA ( FOZO) is a popular end member of mantle for all ocean island and flood basalts, probably representing the lower mantle.

PREMA（FOZO）则是洋岛玄武岩和溢流玄武岩公共端员。

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A Study on Geologic Features and Effusive Hazards of Shield-forming Basalts in the Tianchi Volcano

天池火山造盾玄武岩地质特征与溢流性灾害研究

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The present paper has studied magnetic fabrics of Quaternary basalts in Chifeng area, Inner Mongolia and analysed magnetic anisotropic characteristics of such different structures of basalts as ropy flow structure, prismatic joints and vesicular structure.

本文对内蒙古赤峰地区第三纪玄武岩的磁组构进行了研究，分析了流动绳状构造、柱状节理、气孔构造等不同构造的玄武岩的磁各向异性特征。

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Fourthly, the Osmium isotope composition of the abyssal peridotites, oceanic basalts, rocks in subduction zones and hydrothermal fluids from the Mid Ocean ridge had been determined.

对深海橄榄岩、大洋玄武岩、俯冲带岩石和大洋中脊喷出的热液流体的锇同位素组成进行了研究；

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Abyssal peridotites and mid ocean ridge basalts ( MORB) are complementary products of mantle melting and melt extraction processes that create ocean crust. As such, they provide independent information on these processes.

大洋橄榄岩和洋中脊玄武岩是地幔熔融和熔体萃取过程中的互补产物，地幔熔融和熔体萃取过程形成洋壳，因此大洋橄榄岩和洋中脊玄武岩的研究可提供这一过程的独立信息。

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All of the rare element and isotope characteristics of the Huangyishan basalts are similar to that of the original mantle of the Earth.

微量元素和同位素地球比学资料表明黄椅山玄武岩的地幔源区的同位素组成与原始地幔近似；

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These basalts are characterized by enriched large ion lithophile elements and high field strength elements, strong fractionation between light and heavy rare earth elements, no negative Nb anomaly, that resemble to geochemical characters of ocean island basalts.

论文通过对玄武岩地球化学的研究，发现营城组玄武岩富集大离子亲石元素和高场强元素，轻重稀土分异强烈，无Nb负异常，显示与OIB类似的地球化学特征。

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For the basic lavas with subduction-type signatures, we can judge whether they are really island-arc or active continental margin basalts by studying Zr contents and Zr/ Y ratios or Zr/ Y-Zr diagram.

对于那些具有消减带信号的基性熔岩，可以根据Zr含量和Zr/Y比值，或利用Zr/Y-Zr图解，判断它们是否真正是岛弧或活动大陆边缘玄武岩。

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Penghu Islands, mainly composed of basalts, enjoy well-developed columnar joints that create many dramatic geological and landscape types of scenery.

澎湖群岛主要由玄武岩构成，岛上有各式各样独特的地质、地貌景观。

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This paper reports the petrological and geochemical characteristics of Permian alkaline and tholeiitic basalts in the Shuanghu Area, central Qiangtang Block.

对青藏高原羌塘地块中部双湖地区发育的二叠系碱性系列和拉斑系列玄武岩进行了详细的地球化学研究。

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It was shown that the amphibolite was transformed from oceanic tholeiitic basalts and the leptynite was converted from acidic sedimentary rocks.

结果表明，该区的斜长角闪岩是由大洋拉斑玄武岩变质而成，变粒岩则是由酸性沉积岩变质而成。

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The transitional basalts are indistinguishable with tholeiitic basalts in Re-Os isotope geochemistry, but they are different in other elemental and isotopic aspects in previous studies.

过渡玄武岩与拉斑玄武岩的Re-Os同位素性质是一致的，与以往的观察有所不同。

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