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enclaves相关的网络例句

查询词典 enclaves

与 enclaves 相关的网络例句 [注:此内容来源于网络,仅供参考]

These dioritic enclaves and their host granite are different in mineral association, but species of the same mineral within them are similar to each other.

闪长质包体与寄主花岗岩在矿物组合上不同,但两者中同类矿物的种属相似。

Zircon LA-ICP-MS U-Pb dating gave ages of 301±1 Ma and 298±2 Ma for the dioritic enclaves and their host granite, respectively, indicating their Early Permian emplacement.

锆石LA-ICP-MS U-Pb年龄显示闪长质包体与寄主花岗岩在形成时间上非常接近(分别为301±1Ma和298±2 Ma),表明两者均形成于早二叠世。

In comparison with the host granite, the dioritic enclaves are higher in Fe, Mg, Ti, Ca and richer in HREE, Sr, but lower in Na, K, Si and poorer in Ba, Th, Hf, Zr.

与寄主花岗岩相比,闪长质包体的Fe、Mg、Ti、Ca含量较高,而Na、K、Si的含量较低;富HREE、Sr,贫Ba、Th、Hf 、Zr。

It is suggested that the dioritic enclaves and their host granite were derived from the same parental magma that resulted from partial melting of the Neoprot-erozoic depleted-mantle-sourced juvenile crust.

综合岩石学、地球化学和同位素等方面的对比研究,笔者认为八大石闪长质包体属于同源包体,为寄主花岗岩同源母岩浆经结晶分异作用形成的早期产物

The dioritic enclaves and their host granite have positive in εNd(+4.15 and +3.06)values and relatively low (87Sr/86S r)i(0.70412 and 0.70475) with fairly similar model ages tDM(812 M and 944 Ma, respectively.

闪长质包体和寄主花岗岩具有正的εNd(+4.15和+3.06)、较低的(87Sr/86S r)i(0.70412和0.70475)和相近的模式年龄tDM(812 Ma和944 Ma),暗示其母岩浆来自新元古代时从亏损地幔分离出来的初生地壳源区。

Most of the Xiangshan volcanic rocks are peraluminous-metaluminous (ASI=1.02~1.16), while subvolcanic rocks are mostly metaluminous (ASI=0.90~1.02), and dioritic enclaves are undersaturation of aluminum.

相山火山岩系的ASI值为1.02~1.16,为准铝—过铝质,次火山岩的ASI值为0.90~1.02,多为准铝质,而闪长质包体的ASI值为0.59~0.71,属铝不饱和类型。

The Huangyangshan pluton is a typical post-collision pluton in the Kalamaili orogen of the Eastern Junggar, many dioritic microgranular enclaves distribute in it.

中文摘要:黄羊山岩体是卡拉麦里造山带典型的后碰撞花岗岩体,发育大量闪长质微细粒包体。

This thesis has emphasized studies on forming mechanism of dioritic quenched enclaves in the subvolcanic dikes and cryptoexplosive breccia at depth of the Zoujiashan uranium deposit, systematically studied the diagenetic ages, geochemical characteristics and Nd, Sr, Pb and Lu-Hf isotopic compositions of the Xiangshan volcanicintrusive complex and mineralization at depth of the Xiangshan ore-field.

本文重点解剖了相山次火山岩中闪长质淬冷包体及邹家山富大铀矿床深部隐爆角砾岩的成因机制;系统研究了相山火山-侵入杂岩的成岩时代及其Nd、Sr、Pb和Lu-Hf同位素组成;同时还对相山火山-侵入杂岩的岩石地球化学特征及相山矿田深部的成矿作用进行了深入研究。

A large number of microgranular dioritic enclaves occur in some post-collisional metaluminous-peraluminous granites, in Kubusunan orebody, in Kalamaili area, eastern Junggar, North Xinjiang.

新疆东准噶尔卡拉麦里地区库布苏南晚古生代后碰撞准铝质过铝质花岗闪长岩体中广泛发育大量的暗色微粒闪长质包体。

The granitic enclaves in the central-facies porphyroblastic lava are subvolcanic rocks with forming age of 134.2±1.9Ma. There is another intrusion of subvolcanic rhyodacitic porphyry with age of 136.0±2.6Ma, in the contact zone of the two volcanic cycles in the western part of the Xiangshan complex. The U-Pb ages of the sub-quartz-monzonite porphyry and lamprophyre are 129.5±2.0Ma and 125.1±3.1Ma, respectively. This suggests that the extension in the Xiangshan region, began in K〓, was week, and earlier than that in the coastal region of Zhejiang and Fujian provinces. Extension in K〓 in Xiangshan and neighboring regions was much stronger, forming NE striking large red-downfaulted-basins.

相山中心相碎斑熔岩中的花岗质包体属次火山岩,其成岩年龄为134.2±1.9Ma,在相山西部两火山旋回的界面之间,存在另一类次火山岩的侵位,其成岩年龄为136.0±2.6Ma,岩性为次流纹英安斑岩;次石英二长斑岩及煌斑岩的成岩年龄分别为129.5±2.0Ma及125.1±3.1Ma,说明相山地区的伸展、裂解作用明显早于浙、闽沿海,在K〓就开始了,但规模并不是很大;而K〓时期的拉张作用在相山及其邻区表现的更为强烈,形成了大面积的呈北东向展布的红色断陷盆地。

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