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ductile shearing
    A THEORETICAL STUDY ON DUCTILE SHEARING BANDS BASED UPON STRAIN GRADIENT PLASTICITY THEORY
    基于应变梯度理论的韧性剪切带理论研究
    During the metallogenesis of the ductile shearing, the composition of the host rock is changed and the ore-forming solution is rich in K~+, Na~+,∑Fe, HCO_3~-, Au~(3+) etc. .
    河台金矿在韧性剪切成矿阶段,围岩的组成发生了显著的变化,成矿溶液富含K~+,Na~+,ΣFe,HCO_3~-以及Au~(3+)等;
    And K-Ar and Ar-Ar ages of biotite from the north Xidatan granite, 134. 47-145. 3 Ma, indicate the ductile shearing time of the granite.
    西大滩盆北花岗岩的黑云母K-Ar和Ar-Ar同位素年龄为134.47-145.3 Ma,指示晚期韧性剪切变形时代。
    THE MIGRATION AND CONCENTRATION OF CHEMICAL COMPONENTS IN THE PROCESS OF THE MAODIAN DUCTILE SHEARING ZONE
    茅店韧性剪切带中物质组分的迁移、集散初探
    Study of REE Variations of Granite and Its Deformed Tectonic Rocks under Ductile Shearing
    韧性剪切变形条件下花岗岩中稀土元素变化特征研究
    The Variation of REE in the Process of Ductile Shearing: A Discussion on the Paper of “Variation of REE Content in Shear Zone and Its Mechanism”
    韧性剪切变形过程中稀土元素的变异——对“稀土元素在剪切带中的含量变异及其变异机制”一文的讨论
    Ductile Shearing Zones Occurring along the Northern and Southern Boundaries of the Central Tianshan Block
    中天山地块南北两缘的韧性剪切
    GEOLOGICAL CHARACTERISTICS OF DUCTILE SHEARING ZONE TYPE Au DEPOSITS AND ORE-SEACHING DIRECTION IN THE SOUTH BELT, BEISHAN REGION, GANSU PROVINCE
    甘肃北山南带韧性剪切带型金矿床(点)地质特征及找矿方向
    The early stage the mineralization is of ductile shearing, which formed the mylonite-type Au deposit.
    成矿作用早期形成糜棱岩型金矿,为韧性剪切成矿期;
    Based on the detailed structural mapping anc1 analysis, three types oforiented structures within Beiyu granite body are recognized as follows:flow structures, marginal schistosity zone and ductile shearing zones.
    通过构造解析证实,山西中条山北峪花岗岩体内各类定向构造分别为岩浆流动构造、边缘片理带和韧性剪切带。
    Gold deposits of this district occur in ductile shearing zones situated in ancient greenstone belt.
    河北省金厂峪金矿是产于古老绿岩带中的韧性剪切带型金矿床.
    The analyses of metallogenic enviroments, ore-controlling structures, ore deposit and its minerals, ductile shearing zone, isotopes, and fluid inclusions, as well as the genetic information provided by chemical compositions of pyrite, are taken to study the ore-containing and ore-controlling factors, the ore resources and the characteristics of ore fluid. It is revealed that the Dola gold deposit is a magmatic-metamorphic hydrothermal deposit of low to intermediate temperature.
    从金矿的成矿环境、矿床特征、矿石矿物特点、控矿构造——韧性剪切带特点、同位素特征、流体包裹体特征及黄铁矿化学成分提供的成因信息等,探索多拉金矿的容矿控矿因素、矿质来源和矿液性质,揭示多拉金矿的成因:是受韧性剪切带控制的中低温岩浆热液-变质热液矿床。
    The ductile shearing in deep part took place in the period of Caledonian orogeny, thereafter, shallow brittle strain superimposed to form a synthetical fault-fracture structural body.
    其深部韧性剪切发生于加里东构造期,这之后又遭受浅部脆性应变叠加而构成断裂构造综合实体。
    Therefore ore controlling mechanism of Sidaogou gold deposit includes Au mobilization, migration passages and accumulation spaces controlled by ductile shearing.
    在此基础上总结出韧性剪切带控金机制——金活化、迁移通道和聚集空间。
    The early ductile shearing(DF_1), which is associated with regional D_2 deformation, is accompanied by the growth of synkinematic blueschist-facies minerals including glaucophane, garnet, epidote and phengite etc. with the development of a transposition foliation.
    其中早期韧性剪切变形(DF_1)与区域D_2变形幕有关,蓝闪片岩相矿物(蓝闪石、石榴子石、绿帘石和多硅白云母)是伴随变形叶理生长的同构造产物。
    The late ductile shearing(DF_2) formed in D_3 deformation phase is accompanied by the appearance of chlorite and barroisite etc. and dynamic recrystallization of albite, quartz and calcite.
    晚期韧性剪切变形与区域D_3变形幕有关,伴随有绿泥石、冻蓝闪石等的出现和石英、方解石的动态重结晶作用。
    Further quantitative calculations demonstrate that during the ductile shearing,gold was leached out of the wall rocks and then concentrated in the central part of the Shear zone together with gold carried by the external flulds.
    进一步的定量计算表明,韧性剪切过程中,Au从围岩中淋失,并与外来流体所携带的Au一起,在剪切中心带富集。
    This giant ductile shear system was formed during Wutai Movement from late Archean to Early Proterozoic and experienced two periods of ductile shearing. The differential stress in early period of shearing is about 12 MPa and the late is about 30 MPa.
    该韧性剪切系统发生于晚太古代至早元古代的五台运动期间,经历过两期次韧性剪切作用,早期的差异应力约为12MPa,晚期的差异应力约为30MPa。
    The paper discusses geological features of Dexing nappe structure and its orecontrol significance and builds a polygenetic metallogenic model in which gold deposit and porphyry copper deposits are controlled by the ductile shearing nappe structure.
    论述了德兴推覆构造的地质特征及控矿意义。 建立了以韧性剪切为特征的推覆构造控制金矿和斑岩铜矿的多因复成成矿模式。
    In 1. 0Ga, the paleo-Cathaysia was collided with the Yangzi Paleo-terrene. Then,a large scale of deep decollement and slate accumulation, which evolved the strike ductile shearing and sliding later, took place.
    古华夏地体在1.0Ga后再与扬子古地体斜接碰撞,遂发生大规模深层推覆析离及岩片堆叠,继后又演化为走向韧性剪切滑移。
 

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