绿片岩
- greenschist
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绿片岩三轴流变力学特性的研究(II):模型分析
Investigation on triaxial rheological mechanical properties of greenschist specimen ( II ): model analysis
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晚期为高压绿片岩相榴辉岩相变质作用。
And the late one is high-pressure greenschist facies to eclogite facies metamorphism .
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强烈的褶皱变形和绿片岩-绿帘角闪岩相的变质作用;
Strong folded deformation and metamorphism of greenschist-epidote amphibolite facies ;
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绿片岩蠕变损伤本构关系研究
Study on creep damage constitutive relation of greenschist specimen
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绿片岩力学性质的实验研究
Mechanics property experiment of the green schist
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绿片岩中发现较多蓝闪石高压变质矿物;
A lot of high pressure metamorphic mineral glaucophanes have been discovered in the green schist .
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大水沟独立碲矿床的直接赋矿围岩为低绿片岩相变质岩。
The host rocks of Dashuigou independent tellurium ore deposit are mainly green schist facies metamorphic rocks .
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变形由强烈的塑性变形到弱变形,变质由角闪岩相到低绿片岩相及低于低绿片岩相。
The deformation was changing from plastic intensity to weakness and the metamorphic facies ranged from amphibolite to low-grade greenschist .
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绿片岩原岩是一套含板内拉斑玄武岩的火山沉积建造。前者的不相容元素地球化学特征与板内拉斑玄武岩相一致;
The geochemical characteristics of incompatible elements of the former are quite similar to those of the intraplate tholeiitic basalt .
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甘肃肃南县奥陶系构造地体中变质火山岩主要指蓝片岩、绿片岩及熔岩、凝灰岩。
Metavolcanic rocks of Ordovician tectonic terrane mainly make up blueschists , greenschists , lavas and tuffs in the Sunan county .
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变质相由基底岩系的低角闪岩相&高绿片岩相逐渐过渡为上覆盖层的低绿片岩相。
The metamorphic facies gradually change from low amphibolite & high green-schist facies of the basement to low green-schist of the cover .
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北祁连奥陶系地体中蓝片岩、绿片岩岩石矿物化学特征及地质意义
Geochemical characteristics of rocks and minerals of blueschists and GREENSCHISTS in Ordovician terrane in the northern Qilian Mountains Sunan county , gansu Province
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运用沉积学的原理和方法,对银洞坡歪头山组中段含金绿片岩系进行了细致的原岩恢复和成因地层分析。
The sedimentary principles and methods are employed to reconstruct the protolith and to analyse the genetic stratigraphy in middle Waitoushan Formation , Yindongpo .
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贵州雷公山地区早古生代变形带发育于低绿片岩相绢云板岩、(含)粉砂质绢云板岩、(含)凝灰质绢云板岩为主的岩石中,带内发育大量黄铁矿应变影构造。
The Leigongshan Early Paleozoic deformation zone was developed in a low-grade sericite slate , where a lot of pyrite strain shadows has been identified .
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原生结构面主要是砂板岩和薄至中厚层大理岩中的层面,以及绿片岩中的片理面。
Primary surface is mainly layer of sandstone , and slate and thin to medium thick layer of marble , and the schistosity plane of greenschist .
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位于西秦岭北带的丹凤群是一套浅中等变质的绿片岩系,原岩为一套以基性中酸性火山岩为主夹正常陆源碎屑岩、碳酸盐岩的岩石组合。
The Danfeng Group located on the northern belt of West Qinling area is a series of epizonal-middle metamorphic greenschist and has high geochemical abundance of gold .
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川西高原广泛分布的西康群,原视为区域低温动力变质作用低绿片岩相变质岩。
Xikang Group is widely exposed on the West Sichuan Plateau and was considered to be a low greenschist facies metamorphic rock due to regional low-temperature dynamometamorphism .
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绿片岩的力学实验表明,在围压450MPa条件下,岩石约于450℃开始塑性变形。
Mechanics property experiment on the green schist indicates that , under confining pressure 450 MPa , the rock plastic deformation starts out at about 450 ℃ .
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因此,绿片岩原岩为大陆拉斑玄武岩,其形成的构造背景为大陆裂谷。原生岩浆是高镁拉斑玄武岩浆。
Consequently , the greenschists in the central Fujian province are considered to be derived from the continental tholeiite formed in a continental rift tectonic setting . Its primary magma is high MgO tholeiite .
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采用绿片岩加速流变全过程曲线,对提出的岩石七元件非线性粘弹塑性流变模型进行了辨识,得到了岩石七元件非线性粘弹塑性流变模型的材料参数。
Then using complete accelerative rheological curve , proposed seven-component nonlinear viscoelastoplastic rheological model of rock is carried out the identification . The correlative parameters of nonlinear rheological model such as viscoelastic modulus and viscosity etc.
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据La/Yb-REE含量图解分析,本区岩矿石物质成分主要来自沉积岩,混合岩及绿片岩的初始物质中可能混有基性火山岩成分。
According to the La / Yb-REE content scheme , the material compositions in ores and rocks came mainly from sedimentary rocks , and the initial materials of chorismite and greenschist possibly contained the composition of basic lava .
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通过岩石全自动流变伺服仪上得到的绿片岩流变数据来对新的蠕变损伤模型参数进行辩识,得到蠕变损伤模型的材料参数。
The data obtained from rheological test on greenschist specimen on rock servo-controlling creep equipment are used to carry out the identification of the new creep damage model ; and it can get the correlative parameters of the new creep damage model .
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本区岩石以绿片岩-角闪岩相变质岩为主,含金背景值高,逆冲滑脱构造和韧性剪切带的活动与金元素的活化、迁移和富集创造了良好的条件。
Owing to extensive metamorphic rocks of green schist-amphibolite facies and high gold background content in the region , the action of the thrust-decollement system and the ductile shear zone brought about favorable conditions for the subsequent activization , migration , and enrichment of gold .
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认为该区芝罘群曾经历1期韧性变形作用和4期变质作用(古元古代高角闪岩相、中元古代早期低角闪岩相、中元古代晚期高绿片岩相及新元古代低绿片岩相变质作用)。
It is regarded that Zhifu group has once experienced one ductile deformation period and four metamorphism period ( Palaeo-proterozoic high-breccia facies metamorphism , low-breccia facies metamorphism in early period of Meso-proterozoic , high-greenschist facies metamorphism in late period of Meso-proterozoic and Neo-proterozoic low-greenschist facies metamorphism ) .
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研究表明:矿体主要赋存于主褶皱转折端大理岩与绿片岩间的构造虚脱空间内,明显地受主褶皱空间展布、形态及完整性的影响和控制。
It is revealed that the orebodies are mainly formed within the saddle like spaces between marbles and green schists in the hinge zone of the fold , and that the orebodies are clearly controlled and / or affected by the spatial distribution patterns and its completeness of the fold .
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蓝片岩相以钠质问石+绿帘石共生为特征,在A带的大面积绿片岩中呈条带或残片状分布。
The blueschist is characterized by the coexistence of sodic amphibole and epidote and occurs as bands or remnants in the extensive greenschist of belt A.