线理
- 网络Lineation;foliation
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研究表明,该韧性变形变质带在平面和剖面上均呈舒缓波状,发育糜棱叶理、矿物线理和S-C组构。
It is shown through the present study that the belts have wavy mylonitic foliation , mineral lineation and S-C fabric .
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早期剪切带糜棱面理走向NE-NNE,倾向NW或SE,面理倾角较陡,矿物拉伸线理水平或近水平;
Steep mylonite foliation in the earlier shear belts strikes NE-NNE , and dips NW or SE ; its stretching lineation is gentle .
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在SS与PS之间的过渡区域还发现中等角度倾伏的拉伸线理。
Moderate-angle plunging stretching lineations can been also found locally between the SS domain and PS domain .
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研究区基底变质岩系应力变形机制为伸展横向置换作用,其变形结果是应变椭球体的X、Y轴应变量同时增大,而Z轴应变量减小,即X>Y>1>Z,结果是面理比线理发育。
The deformation mechanism of the basement metamorphic series is transversal tectono-transposition of extension regime . The result is the X-axis and Y-axis of the strain ellipsoid extended , while the Z-axis shortened . That is X > Y > 1 > Z.
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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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变形构造研究显示阿尔金断裂带东段可划分成具有近水平拉伸线理的韧性左行走滑变形域(SS)和具有陡角度倾伏拉伸线理的收缩变形域(PS)。
Studies of deformation structure in the eastern segment of the Altun fault zone indicate that it can be divided into the ductile sinistral strike-slip domain with subhorizontal stretching lineations ( SS domain ) and the contractional deformation domain with steeply plunging stretching lineations ( PS ) .
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晚期剪切带糜棱面理优势走向为NE-NNE,面理倾角较陡,以向SE倾为主,拉伸线理一致向SSW缓倾,倾角最大不超过20°。
Steep mylonite foliation in the later shear belts strikes NE-NNE , and mostly dips SE . Its stretching lineation is gentle and dips SSW , the maximum dip angle is less than 20 ° .
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本区构造置换主要表现为:在紧闭同斜褶皱发育的持续变形过程中形成S1≈S0,并伴有钩状褶皱、石香肠构造和各类型线理的生成。
The main feature of transposition , S 1 ≈ S 0 , was considered to be developed by progressive deformation during formation of the tight to isoclinal folds . The hook shaped folds , boudinages and lineations of many types were structures accompanying tectonic transposition .
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岩体本身则发育良好的脆-韧性剪切变形,表现为褶皱、剪切叶理(或劈理)、S-C组构、北北东-北北西走向的拉伸线理和糜棱状显微结构。
Most minerals , e.g. , amphiboles , are characterized by at least two generations , and the well-developed ductile-brittle shear deformations are shown by the development of folds , shear foliations or cleavages , S-C fabrics , NNE to NNW-striking stretching lineations and mylonitic microstructures .
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在流劈理面上发育有垂直的拉伸线理。
There occur vertical stretching lineations on the flow cleavage planes .
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西昆仑造山带北西向拉伸线理特征及其地质意义
The NW-trending stretching lineation characteristics and its geological implication in the Western Kunlun orogenic belt
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在构造解析中,对地质构造的面理和线理进行组构分析,往往要涉及到求解赤平图中的极密中心产状和最佳拟合π圆。
In structural geology analysis , fabric analysis of foliation and lineation is commonly conducted .
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在片理面上发育有强烈的拉伸线理,这些线理则是由拉长的矿物定向展布而显示。
On the surface of foliation there develops strong stretching lineation defined by alignment of elongated minerals .
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磁性线理主要倾向北半球,而且部分磁性线理近南北方向分布。
The magnetic lineations mainly dip to the north hemisphere and part of them developed near south-north direction .
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伸展构造变形导致岩石部分熔融,是熔体线理形成的主要机制。
The main mechanism of melt lineation is extensional deformation which led to partial melting of high-grade metamorphic rock .
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剪切带内发育着各种变形构造和显微构造。磁组构研究表明剪切带变形强烈,属韧性剪切变形,磁面理和磁线理同等发育。
Studies of various kinds of deformation structures , microstructures and magnetic fabrics indicate that it has undergone strong ductile shear .
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磁线理指示岩体的侵位中心,线理表现形式不一,标示侵位方式与受构造应力的不同;
Magnetic lineations indicate emplacement centers of the granite , and different lineations imply different ways of emplacement and tectonic stress .
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强烈的片理、拉伸线理、a型褶皱、鞘褶皱以及糜棱岩,这些构造特征仅仅反映出宏观的证据。
Strong foliation , stretching lineation , a-type folds , sheath folds and mylonite , these structural characteristics only reflect macroscopic evidence .
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本课件只介绍大型线理中的石香肠,杆状构造和小型线理中的拉伸线理。
However , this courseware will only introduce the boudin and rodding in large lineation , and elongation lineation in the small lineation .
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次级断层和一些相关伴生构造(擦痕线理)的特征表明了本区逆冲推覆构造系统的逆冲方向为南东-北西向。
Thrusting direction of this system is from southeast to northwestjudging by some characteristics of secondary faults and the associated structures ( scratchlineation ) .
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剪切带中石英棒拉伸线理的产状集中在110°~125°∠5°~20,°表明伸展平行于造山带方向。
The occurrences of quartz-rod stretching lineations are 110 °~ 125 °∠ 5 °~ 20 °, indicating parallel extensional direction of the orogenic belt .
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带内糜棱岩叶理产状多为较陡,拉伸线理近水平。
The foliations of the mylonites mostly dip steeply and the stretching lineations are nearly horizontal , therefore , it is strike slip fault .
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熔体线理发育在深部构造层次韧性变形带中,与矿物拉伸线理一样具有运动方向指向意义。
Melt lineation developed in ductile deformation zones of deep structural levels of crust and may indicate the moving direction as the mineral stretching lineation does .
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由于应变的叠加,由盆地内部向造山带前缘没有出现应变由弱到强的变化趋势,同时磁线理的方向也不一致。
Because of deformation superposition , deformation intensity from basin to orogen is not increasing , and the magnetic lineations are not in the same direction .
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矿区的磁线理、磁面理等磁组构研究表明,磁组构能与岩组研究一样,解决岩石变形的应力场问题。
The magnetic lineation and magnetic foliation study of the ore area show that the magnetic fabric study can proclaim the stress field of rock deformation as the petrofabric analysis .
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岩群中保留的最强烈变形为新生代走滑剪切变形,形成的面理和线理与哀牢山-红河剪切带面理和线理走向一致。
In the groups the most intensity deformation reserved is the strike-slip shear deformation during the Cenozoic , and the structural character of lines and plans is consistent with that of Ailao Shan-Red River shear zone .
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The packaging assembling line can automatically unscramble bottle , count and fill medicine , insert paper , screw cap , induction foil seal , label , print code and cartoner .
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相比之下,《大学英语课程教学要求》既凸现了新理念,又明确了新模式,从而成为实施大学英语教学四年不断线的新理据。
In comparison , Teaching Requirement for College English initiates a new idea and a new pattern , thus becoming the new motivation for English teaching in students ' 4-year college career .
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它由输入(定)点的属性:象坐标、线、色、理坐标,然后输出置向CLIP空间的顶点。
It takes an input ( flexible ) vertex which has properties like position , normal , color , texture co-ordinates and outputs the vertex in the CLIP space .