查询词典 granites
- 与 granites 相关的网络例句 [注:此内容来源于网络,仅供参考]
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New available geological and geochemical data of volcanic rocks indicate the coexistence of an islandarc system in the Gangdese and an extensional setting in the Himalayas during the Early to Middle Permian. Peraluminous Stype granites near Pikang (~263 Ma), the Songdo eclogite of the same metamorphic age (~262 Ma), and the regional angular unconformity between the Middle and the Upper Permian from the same geotectonic location suggest that the presentday Gangdese Retroarc Uplift Belt experienced a syncollisional orogeny at the latest Middle Permian (~263 Ma).
新的地质和地球化学资料显示早-中二叠世时俯冲背景和伸展背景共存于现今的冈底斯带和喜马拉雅带,中二叠世末期(大约263 Ma)侵位的皮康过铝质S型花岗岩以及同期发生的松多榴辉岩的高压变质作用和区域性角度不整合指示现今的冈底斯弧背断隆带在那时经历了同碰撞造山事件。
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Ore deposits of this region are assigned to Caledonian metallogenic series and Indosinian metallogenic series according to ore-bearing strata, granites related to ore deposits mineralization type and temporal-spatial distribution characteristics of ore deposits. The Caledonian series is further divided into three subseries, namely lead and zinc metallogenic subseries, lead, zinc and iron metallogenic subseries and lead, zinc, tungsten, tin and molybdenum metallogenic subseries.
本文根据所发现的25个矿床的赋矿地层、与成矿有关的花岗岩、矿化类型及其时、空分布特征,将它们划分为加里东期成矿系列和印支期成矿系列,进而又将加里东期成矿系列划分为铅、锌成矿亚系列,铁、铅、锌成矿亚系列和铅、锌、钨、锡、钼成矿亚系列。
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It seemed the south tectonic melange has only undergone the Hercynian — Indo-sinian ocean — continent transition from the sedimentary formation, but a few Caledonian syntectonic granites are found in the basement, which showed the Caledonian movement has also left some traces in this subzone.
从沉积建造反映的南部构造混杂岩带似乎只经历了海西期一印支期单旋回的洋陆转换,但在该构造带基底岩系中发育较多的加里东期同构造花岗岩类,说明加里东旋回的构造活动在该亚带也有较深的印迹。
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The geochemical diagram indicates that the granites formed in a pre-collision island-arc environment, with a zircon U-Pb age of 444±33 Ma, in a plate suduction convergence stage of the Qilian orogenic belt.
这一发现对于丰富中国埃达克岩的研究和对祁连造山带演化、地球动力学以及成矿作用的研究具有重大意义。
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According to the characteristics of high compressive strength and viscosity of granites, the dynamic compressive strength variable of comminuted zone is introduced and the theoretical pressure model of the spherical cavity expansion is ameliorated.
根据花岗岩具有高强度和粘滞性的特点,引入粉碎区动态抗压强度变量,改进了球形空腔膨胀压力的理论模型。
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Taxkorgan alkaline belt is made up of alkaline syenites, alkaline syenitoids and alkaline to sub-alkaline granites, with aegirine-augite syenite, diopside syenitoid and biotite adamellite as their representative rocks.
塔什库尔干碱性岩带主要由碱性正长岩类、碱性花岗岩类和碱性—偏碱性花岗岩类组成,代表性岩石类型为霓辉石正长岩、透辉石正长花岗岩和黑云母二长花岗岩。
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The Nurt area is located in the north of Altay, Xinjiang, where the granites are widely exposed. The intrusion is adamellite and belongs to high kalium cal-alkaline series with peraluminous characteristics, showing an osculating relationship with the Aketisikan gold deposit.
新疆诺尔特地区花岗岩分布广泛,其中阿提什花岗岩体与燕山期阿克提什坎金矿床在时间、空间上密切相关,该岩体为二长花岗岩,具铝过饱和特征,属于高钾钙碱性系列。
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Being rich in potassium, alkali and calcium, this belt is a series of potassic and alkalic granitoids and belongs to A-type granites. However, this kind of A-type granitoids was not formed at the end of orogeny.
岩石地球化学研究显示,该岩带的各种岩石类型都具有富钾、富碱和富钙的特点,属于钾质碱性花岗岩类,可归属为A型花岗岩类。
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In addition, the features of elemental geochemistry of all samples suggest that (1) the EarlyTriassic andesitic rocks, characterized by characteristic natures of island arc volcanics, likely erupted in the subduction setting; that (2) the generation of LateTriassic rhyolites with an affinity of Alike granite and synchronously main body granites in the Lincang batholith displaying similar geochemical features, is closely related with the postcollision or latecollision setting; that (3) although the LateTriassic basic rocks partly show island arc volcanics such as highAl contents and NbTa depletion, some of them possessing highMg contents and mostly having traceelement ratios similar to intraplate basalt, which indicates that they erupted in the postcollision rift environment.
元素地球化学特征表明,早三叠世火山岩具有典型的岛弧火山岩的特征,暗示其很可能形成于俯冲的构造环境;中三叠世晚期的流纹岩与临沧花岗岩基主体具有非常相似的地球化学特征,结合其流纹岩具有A型花岗岩属性,表明该区中三叠世火成岩形成于碰撞后的构造背景;而晚三叠世基性火山岩虽然在地球化学特征上显示出与岛弧火山岩相似的高铝和NbTa的亏损,但其中部分火山岩具有高镁和板内玄武岩的微量元素比值特征,说明这些火山岩可能形成于碰撞后裂谷环境。
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In terms of tectonic environments discrimination by trace elements, the Suzhou granite is related to postorogenic environment , the Kuiqi and Shanhaiguan granites are related to anorogenic environment, and the Laoshan granite lies between them.
构造环境的微量元素判据表明,苏州A型花岗岩与造山后拉张环境有关,魁歧和山海关与非造山拉张活动有关,而崂山具有过渡性质。
- 推荐网络例句
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Do you know, i need you to come back
你知道吗,我需要你回来
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Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.
1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。
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Chapter Three: Type classification of DE structure in Sino-Tibetan languages.
第三章汉藏语&的&字结构的类型划分。