韧性剪切带
- 网络ductile shear zone;brittle ductile shear zone;dsz
![韧性剪切带](../cache/1170878.jpg)
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新疆东天山秋格明塔什&黄山韧性剪切带~(40)Ar/~(39)Ar年代学研究
~ ( 40 ) Ar / ~ ( 39 ) Ar Geochronology of the Qiugemingtashi & Huangshan Ductile Shear Zone in East Tianshan , Xinjiang , NW China
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叠加在韧性剪切带之上的NNE向一级断裂控制破碎带蚀变岩型金矿的形成和分布;
The first order NNE trending fault superposed on the ductile shear zone is characterized by the distribution of the gold alteration rock deposit .
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野外构造、显微构造与石英C轴组构分析皆指示为左旋走滑韧性剪切带。
Field structure , microstructures and quartz C - axis analysis all indicate sinistral shear sense of the ductile shear belt .
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NW向逆冲推覆性质的韧性剪切带。
NW-trending thrust - nappe ductile shear zones .
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西昆仑库地韧性剪切带的~(40)Ar/~(39)Ar年龄
~ ( 40 ) ar / ~ ( 39 ) ar dating of ductile shear zone in kuda , West Kunlun , Xinjiang
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这一组走向滑动构造是韧性剪切带受多期构造活动的影响沿着Sc面理出现差异滑动而形成的。
The strike slip structure formed by structure of many times activity , that it occur due to differential uplifting along Sc mask .
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褶皱阶段的中间构造层次(B)的变形,有局部出现劈理的平行褶皱与相似褶皱并存,伴生有逆冲型韧性剪切带和逆冲-推覆构造。
During the third folding stage , the middle part ( B ) was deformed , there were parallel folds and similar folds , locally with cleavages , and also reverse ductile shear zones and reverse-nappe structures .
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在早期韧性剪切带上升剥蚀阶段出现的NE向脆-韧性线状剪切带,控制同剪切带型金矿;
The NE trending . brittle ductile shear zone formed in rising stage of the early ductile shear zone controlled syn shearing gold deposit .
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盆地中南部几条NE向大型韧性剪切带,可能对油气分布产生重要影响,在油气勘探中也应给予重视。
Several large northeastern ductile shearing belts may influence the hydrocarbon distribution greatly and much attention should be devoted to the oil and gas exploration .
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通过对大量横穿简单剪切的韧性剪切带剪应变曲线数学特征的分析研究,提出剪切带剪应变函数γ(x)和扭距函数s(x)的数学表达式。
Based on the mathematical features of many shear strain curves across ductile shear zones , the expressions of the functions of shear strain γ( x ) and distortion distance s ( x ) were given .
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本次研究中利用石英C轴组构与主应变比值的方法以及石英C轴组构与斜列颗粒形态的方法,测量了郯庐断裂带南段晚期韧性剪切带的运动学涡度。
This paper used two approaches such as quartz C-axis fabrics and strain ratios , oblique grain shapes and quartz C-axis fabrics to measure kinematic vorticity numbers of the late ductile shear zone in southern segment of the Tancheng & Lujiang ( Tan-Lu ) fault zone .
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区内主要存在三期构造交形:早期为一系列呈NWW-近EW向的紧闭同斜褶皱,中期以韧性剪切带发育为特征,晚期以NNE向为主的宽缓褶皱。
Characteristic development of ductile shear zone for the middle and the majorly NNE - trending wide - flat folds for the late .
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它还受到多期构造变形,平卧褶皱,韧性剪切带和推覆构造均有广泛发育。绿岩中伴生的花岗质岩石,主要为TTG岩系的奥长花岗岩英云闪长岩花岗闪岩系列。
They underwent polyphase structural deformation , giving rise to well developed recumbent folds , ductile shear zones and nappe structures .
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通过对雪峰弧形和永州&株洲向韧性剪切带较详细的研究,指出在中浅变质岩区,强直面理化带是韧性剪切带的基本NE特征之一。
The article discussed in detail the ductile shear zone of Xuefeng arc-shaped and Yongzhou-Zhuzhou of NE trend , indicated that strong-straight foliation zone is the basic characteristics of ductile shear zone in middle-low metamorphic rock area .
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一种走滑剪切逆冲推覆相互转换的变形体系以桂东南那卜地区NE向和NW向两组韧性剪切带为例
ONE OF THE DUCTILE DEFORMATION SYSTEM THAT TRANSFORM EACH OTHER FROM NE-TRENDING DEXTRAL STRIKE-SLIP TO NW-TRENDING THRUST-NAPPE & Illustrated with an example from NE-trending ductile shear zones and NW-trending ductile shear zones in Nabu are
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在对溜河地区TM及SPOT遥感信息处理的基础上,提取了区内与金矿成矿有关的线性构造、弧形构造、韧性剪切带构造、环形构造及蚀变异常信息。
Based on the process of TM and SPOT remote sensing information in Liuhe district , a lot of information relating to the metallization are extracted , which include linear structure , arc structure , ductile shear zones , circular structure , altered abnormality , etc.
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钻孔验证了VSP地震反射剖面中850-12000m深度的强反射层与韧性剪切带相吻合。
The VSP seismic profile reveals the deeply structure of the tectonic slices . The main hole verified that the strong reflective layer between 850 to 1130 m deep is equivalent to the ductile shear zone .
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肥东韧性剪切带中糜棱岩、超糜棱岩测得的~(40)Ar/~(39)Ar全岩年龄分别为120.48Ma和118.75Ma,说明郯庐断裂带的大规模左行平移时代为早白垩世。
The mylonite and ultramylonite in the ductile shear zones yield whole-rock 40Ar / 39Ar ages of 120 . 48 Ma and 118 . 75 Ma respectively , which suggest that large-scale sinistral displacement in the Tan-Lu fault zone took place in the Early Cretaceous .
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江西武功山变质杂岩体的北西和南东两侧分别分布着两条长约30km的大型韧性剪切带。
Thre exist two large-scale ductile shear zones which extend about 30 km along the northwest and southeast sides of the metamorphic complex of Wugong Mountain in Jiangxi .
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韧性剪切带中片麻岩和超高压榴辉岩变形特征及其与地震波速各向异性的关系:来自中国大陆科学钻探(CCSD)680~1200米岩心的证据
Deformation features of gneiss and UHP eclogite from ductile shear zone and its relation with seismic velocity anisotropy : Evidences from core samples at depth of 680 ~ 1200m of CCSD
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小西弓金矿床位于塔里木板块北缘柳园-穿山驯前陆上,受NWW向的小西弓-红旗山韧性剪切带控制。
Located in the Liuyuan-Chuanshanxun foreland of the northern margin of the Tarim plate , the Xiaoxigong gold deposit was controlled by the NWW-trending Xiaoxigong-Hongqishan shear zone .
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断层中段表现为30~50m厚的韧性剪切带,发育有较好的糜棱岩组构和矿物伸展线理;东段和西段以碎裂变形为特征。
The central segment of the fault is a 30 ~ 50 m thick ductile shear zone with a well-developed mylonitic fabric and stretching mineral lineation , whereas the eastern and western segments are characterized by cataclastic deformation .
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根据其与研究区主体构造&巨型NE向右行走滑韧性剪切带的关系,这些花岗岩可分为同构造、晚构造和构造后等3个构造类型。
According to their relationship with the main structure of the study area-the NE - trending dextral strike - slip ductile shear zone , the granites can be classified into the following three tectonic types : syntectonic , late - tectonic and post - tectonic .
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通过对韧性剪切带和飞来峰群的精细研究,厘定其缩短距离约30km。
It is inferred that the shortening distance is estimated to be about 30 km in terms of detailed study of the ductile shear zones and thrust outlies in the study area .
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前锋纳木错构造带总体呈WNW向展布,由20多条向北倾斜的逆掩断层、宽阔的韧性剪切带、4条蛇绿岩片带与大量不同类型的构造岩片所组成。
The Nam Co tectonic belt of WNW-trending occurring in west of the Namco Lake is composed of 20 thrust faults of north dipping , wide ductile shear zone , 4 belts of ophiolite pieces and many thrusted rock pieces .
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最近的研究表明,对同一韧性剪切带,应变速率法和有限应变测量法所得构造形成时限均以104a为数量级,并且均随着糜棱岩化程度的增加而逐渐减小;
The recent work indicated that the durations achieved by strain rate method and finite strain measurement method were both of the order of 10 ~ 4 years , and they decreased gradually with the mylonitization in the same ductile shear zone .
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一些与韧性剪切带有关的金矿地质特征
Geological characteristics of some gold deposits related to ductile shear zone
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早前寒武纪多期变质变形区主期韧性剪切带
Ductile shear zones in early Precambrian polyphase deformation and metamorphism areas
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辽南韧性剪切带糜棱岩类质量平衡分析
Mass-balance analysis on mylonites from ductile sheer zones in South Liaoning
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东天山区域韧性剪切带特征
Features and significance of regional ductile shear zone , eastern Tianshan