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内韧性剪切带
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  the ductile shear belt
     Studies on tbe evolution of fluid from the ductile shear belt in granulite facies terrain and the correlation with the fluid inclusion from the gold deposit in Daqingshan area,Inner Mongoliar shew that the genetic type of gold deposit in the Archean high-grade metamorphic region was complicated,part of mineralization fluid derived from the evolution of retrogres-sive metamorphic hydrothermal soltition and this kind of deposit can be called retrogressive metamorphic hydrothermal gold deposit.
     通过内蒙古大青山地区麻粒岩相岩石内韧性剪切带中流体演化研究,以及与该区内金矿床中流体包裹体的对比,认为产于太古宙高级变质区内的金矿床成因类型复杂,其中有的成矿流体是退变质热液演化的产物,该类矿床可称为退变质热液型金矿床。
短句来源
  “内韧性剪切带”译为未确定词的双语例句
     MICROSTRUCTURE, SUPERMICROSTRUCTURE ANDDEFORMATION MECHANISM OF SHEAR ZONES IN ALTAY OROGENIC BELT
     阿尔泰造山带内韧性剪切带的显微、超显微构造和变形机制
短句来源
     DUCTILE SHEAR ZONE IN YALUZANGBU SUTURE ZONE: CHARACTERISTICS AND SIGNIFICANCE
     雅鲁藏布江缝合带内韧性剪切带的地质特征及其意义
短句来源
     va- lues of muscovites from the ductile shear zones inside the Shaoxing- Jiangshan Fault Belt are mostly greater than or approximate to 9.040×10~(-10)m. There is no evidence that the muscovites were formed at a high metamorphic pressure. So it must be cautious to use the b。
     绍兴——江山断裂带内韧性剪切带中的白云母,b_o 值乡大于式近于9.040×10~(-10)m,本文认为这不能反映其形成于高压条件。
短句来源
     This paper defines the existence of a large-scale left-lateral thrust slip ductile shearzone in the Qinling orogen and the distribution of the zone in the Qinling Group and DanfengGroup,through the detailed field geological investigation and the research on the microtectonicsand macrotectonics,and deformation analysis.
     通过野外详细地质路线调查,结合各种尺度的构造研究和变形分析,确定了秦岭群南缘及丹凤群内韧性剪切带的存在及其分布范围。
短句来源
     The analytical results of the magnetic fabric show that the deformation in the ductile shear zones is very strong, of which the flattening deformation is the chief, the orientation of the maximum major stress is nearly NE and S-N, and the movement orientation is to the right.
     区内韧性剪切带变形强烈,以压扁作用为主,最大主压应力方向近NE和S-N向,以右旋运动为主。
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  相似匹配句对
     A Study On Fluid Action in the Ductile Shear Zone: A Review
     韧性剪切流体作用的研究
短句来源
     MICROSTRUCTURE, SUPERMICROSTRUCTURE ANDDEFORMATION MECHANISM OF SHEAR ZONES IN ALTAY OROGENIC BELT
     阿尔泰造山韧性剪切的显微、超显微构造和变形机制
短句来源
     Fundamental Characteristic of HengJiang Ductile Shear Zone
     横江韧性剪切基本特征
短句来源
     DUCTILE SHEAR ZONE AND GOLD MINERALIZATION
     韧性剪切与金矿化
短句来源
     STUDY OF THE QINGFENG NAPPE SHEAR ZONE
     湖北青峰韧性剪切研究
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This paper does in detail report the concret site, scale, characteristics, movement way and variation regularities of the ductile shear belt developed within Tongbai Group on the north side of northwestern section of Xincheng-Huangpi fault zone on the south slope of Tongbaishan Mt for the first time and geologically research its forming age and its relationship to Xincheng-Huangpi fault zone and to the gold mineralization.

本文首次对发育在桐柏山南麓、新城—黄陂断裂带北西段北侧桐柏群内的韧性剪切带具体位置、规模、特征、运动方式及变化规律等作了较详细报导,并对其形成时代、与新城—黄陂断裂带的关系及与金矿化的关系等方面作了探讨。

Based on a systematic discussion of the relationship between che- mical compositions and formation conditions of muscovite,the for- mation P-T conditions of two different genetic types of muscovites from the rocks inside and near the Shaoxing—Jiangshan fault belt have been studied in this paper.Muscovites formed during ductile shear metamorphism are characterized by conta ining more Si,Mg and Fe and less Na,Al~(Ⅳ) and Al~(Ⅵ) in their chemical compositions,however, those formed during regional metamorphism are...

Based on a systematic discussion of the relationship between che- mical compositions and formation conditions of muscovite,the for- mation P-T conditions of two different genetic types of muscovites from the rocks inside and near the Shaoxing—Jiangshan fault belt have been studied in this paper.Muscovites formed during ductile shear metamorphism are characterized by conta ining more Si,Mg and Fe and less Na,Al~(Ⅳ) and Al~(Ⅵ) in their chemical compositions,however, those formed during regional metamorphism are contrary.The forma- tion P-T conditions of the former are mainly 250~400℃,400~600 MPa,and of the latter are mainly 320~520℃,200~400 MPa.Except for some influence of whole rock chemical compositions,the content of Mg~(2+) in muscovites formed during lower grade metamorphism is closely related to the metamorphic pressure.Muscovites crystallized during high-pressure metamorphism contain more Mg~(2+).The b。va- lues of muscovites from the ductile shear zones inside the Shaoxing- Jiangshan Fault Belt are mostly greater than or approximate to 9.040×10~(-10)m.There is no evidence that the muscovites were formed at a high metamorphic pressure.So it must be cautious to use the b。value barometric indicator of muscovite given by F.P.Sassi, et al.

本文在系统讨论白云母的化学成分与形成条件关系的基础上,研究了浙江绍兴——江山断裂带及其两侧两类不同成因的白云母的形成温压条件。韧性剪切变质成因的白云母,化学成分中 Na、A1Ⅳ和 A1Ⅵ含量较低,Si、Mg 和 Fe 含量较高,区域变质成因的白云母则相反。前者多为:205~400℃,400~600MPa;后者多为:310~520℃,200~400MPa。在低级变质作用中,除岩石化学成分在一定程度上的影响之外,白云母化学成分中的 Mg含量与其形成压力密切相关,高压变质作用形成的白云母 Mg 含最多较高。绍兴——江山断裂带内韧性剪切带中的白云母,b_o 值乡大于式近于9.040×10~(-10)m,本文认为这不能反映其形成于高压条件。因此,在运用 F·P·Sassi 等人的白云母 b_o 值压力指示剂时应该特别慎重。

A reconfirmation of the seismic phases and computations of 2-D ray tracing and synthetic seismograms are completed in this paper for the explosion seismological data along profile WE in the Panzhihua-Xichang region Seven seismic phases Pg,P1,P2,P3,P4, Pm and Pn have been confirmed, the P1 and P3 are neglected in 1-D explanation in the past.The result shows that: There are four low- and several high-velocity zones near the surface and they are well related to the geology and tectonics. A high-velocity body near...

A reconfirmation of the seismic phases and computations of 2-D ray tracing and synthetic seismograms are completed in this paper for the explosion seismological data along profile WE in the Panzhihua-Xichang region Seven seismic phases Pg,P1,P2,P3,P4, Pm and Pn have been confirmed, the P1 and P3 are neglected in 1-D explanation in the past.The result shows that: There are four low- and several high-velocity zones near the surface and they are well related to the geology and tectonics. A high-velocity body near Panzhihua extends downwards from surface to the bottom of upper crust and forms a shape out horst structure which are seemly deeper tectonic background from whole structure of the crust. This high-velocity body is related to the Panzhihua mineralization and it is thought that to the west from Huaping is also a favorable zone for looking for mineral deposit. There is a low-velocity zone about 9km thick and it is possible a tenacity shear zone in the crust. The top of this zone is located at 27.0-29.5km deep which is in keeping with the lower depth of earthquake focusi and to the Curie deep in the region. There is another small low-velocity zone at the upper part of the middle crust, and it is reflecting tectonized inhomogeneity in different parts of the tectonic belt-The crust is 53.0-56.0 km thick and the Moho is not obvious uplift in the middle part of the tectonic belt.

本文利用攀西地区通过攀枝花的东西向剖面爆炸地震资料,进行了震相的重新识别和二维射线追踪与理论图计算.结果表明,沿剖面地表附近有4个低速区和若干高速带,它们与地质和构造有很好的对应关系.渡口附近的高速岩体一直延伸到了上地壳的底部,形成一个统一的地垒状构造,该高速体与攀枝花成矿岩体相关,并推断华坪及其以西地带也是找矿的有利地区.中地壳下部有一厚度约9km的低速层,它可能是壳内的韧性剪切带.低速层顶部深度为27.0—29.5km,与研究地区的居里面深度及天然地震震源深度的分布基本符合.剖面东段中地壳顶部还有一层很薄的低速层,反映了构造带两侧运动的不对称性.地壳厚度为53—56km,构造带中部的Moho界面没有明显的上隆.

 
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