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Based on this relationship, the v of the amphibolite obtained is 6.390 7 km/s, and the pressure coefficient is 0.160 6 km/.

依据该线性关系,得到常温常压下斜长角闪岩的弹性波纵波速度为6.390 7 km/s,压力系数为0.160 6 km/。

We have performed partial melting experiments on a massive amphibolite sample under 1.5 GPa and 950 ℃ for 101 hours: the sample was collected from Archaean terrain in the northern margin of the North China craton.

在1.5 GPa,950 ℃,恒温101 h条件下对华北北缘太古宙地体中的斜长角闪岩块状样品进行了脱水部分熔融实验,实验产物组合为Hb+Cpx+Gt+Gl,获得的熔体为花岗闪长质成分。

The conductivity of amphibolite can be fit to Arrhenius equation at 1.0 GPa and 200-700℃, the pre-exponential factor is 25.78-105.32 S/m and the activation energy is 0.57-0.66 eV.

在1.0 GPa、200~700℃条件下,斜长角闪岩样品的电导率符合Arrhenius公式,指前因子为25.78~105.32 S/m,活化能为0.57~0.66 eV。

In combination with experiments data, the dynamic and rheo logical structure of the lithosphere is discussed.

在递进变形作用过程中,塑性变形是斜长角闪岩流动和蠕变的主要机制。

This thesis analyzed the basic geological characteristics, petrology, mineral deposit geology, litho geochemistry, and deposit geochemistry of the copper deposit, acquired the following results:(1) According to the metamorphic grade and the metamorphic types of the rocks, suggesting that the mixed granite, granitic migmatite, plagioclase gneiss and hornblende gneiss of the first lithologic member and the second lithologic member in the first sub-formation of Aerbishimaibulake Formation in upper silurian-lower Devonian series belong to Xingxingxia group in proterozoic.

本文对该矿床基础地质特征和岩石学、矿床学、岩石地球化学以及矿床地球化学等方面进行研究,取得了以下熟悉:(1)根据岩石变质程度和变质类型,初步提出矿区上志留-下泥盆统阿尔彼什麦布拉克组第一亚组的第一岩性段和第二岩性段的混合花岗岩、花岗质混合岩以及斜长片麻岩、角闪片麻岩应回为元古界星星峡群。

China Fantastic Black" is a special type of granite, geologically in petrology, it mainly contains "ankaramite, if polished or water-washed, its slab presents background in dark black with big crystals in ingotism structure. It reveal itself a special optical effect of reflecting both golden and blue colors with interreaction in change which can only be seen from some precious stones ___ fresh and novel to eyes.

易彩黑&的岩石地质学成份主要含&斜长辉石岩&,其磨光板或水洗板底色呈深黑色,晶体为粗晶及巨晶结构,在深黑底面上晶体呈现宝石特有的光学效应——金色和彩蓝之&变彩,两色交相辉映,新颖养目。

The P-wave velocity v(superscript p and electrical conductivity of chloritic amphibolite are measured at 1.0 GPa, from room temperature to 700℃, using ultrasonic reflection-transmission combined method and impedance spectra method respectively. The sample comes from northern margin of the North China craton.

在1.0 GPa、室温至700℃条件下,分别采用超声波反射-投射法和阻抗谱法,测量了华北克拉通北缘绿泥石化斜长角闪岩的弹性波纵波速度和电导率。

The Baoyintu group may be divided into five lithologic members based on the chemical composition and the formation sequence, and the age of the formation is 2485±128Ma by Sm-Nd isochron dating in plagioclase amphibolite in the oldest lithologic member.

在野外地质填图的基础上,将宝音图群按照内部的物质成分差异和地层形成年代先后顺序,将宝音图群划分为五个段,其中最早形成的第一岩性段中斜长角闪岩中Sm-Nd全岩等时线年龄为2485±128Ma,可代表宝音图群的形成年龄。

The recent research shows that granitoids rocks within the ophiolites include not only the granites formed by fractionation of MORB at low pressure, but also the granites which formed by partial melting of gabbros of ophiolites in shear zone or intruded it during the formation and evolution of the ophiolite.

近年来的研究表明,蛇绿岩中的花岗质岩石不仅包括直接由大洋玄武质岩浆结晶分异形成的花岗质岩石,即传统意义上的大洋斜长花岗岩,还包括蛇绿岩在形成、演化过程中本身形成的和侵入的花岗质岩石。

This suggests that subduction of a paleo-ocean basin occurred between the Paleoproterozoic North China craton and Qaidam craton.

因此推测斜长角闪岩的原岩为不同程度部分熔融的岩浆弧作用的产物,说明在古元古代华北克拉通和柴达木克拉通之间存在古洋盆的俯冲消减。

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