糜棱岩

利用电子探针等方法研究了青岛榴辉岩相变质古洋壳（蛇纹岩、C类榴辉岩和基性糜棱岩）的岩石学和地球化学特征。

The petrological and geochemical characteristics of the eclogite face metamorphic palaeo-ocean crust ( serpentite , type C eclogite and basic mylonite ) have been studied with electron-probe and other methods .

硅质糜棱岩是金山金矿床最主要的矿石类型，SiO2含量大于85%，由重结晶的石英亚颗粒组成。

The siliceous mylonite with SiO_2 more than 85 % is the main ore type of Jinshan gold deposit ;

显微构造（S-C构造、残斑拖尾、云母鱼构造等）和石英C轴组构都指示这些糜棱岩形成于断裂带的左旋剪切过程中。

Such microstructures as S-C fabrics , rotated feldspar porphyroblasts , and mica fish and quartz c-axis fabrics all indicate sinistral shear sense .

郯庐断裂带内一系列走滑糜棱岩类的~（40）Ar/~（39）Ar测年表明，郯庐断裂早白垩世发生了左旋走滑运动。

The 40Ar / 39Ar values of the mylonite series from the Tan-Lu fault belt demonstrate that the fault belt has experienced sinistral strike-slip movement in the Early Cretaceous .

糜棱岩化-绢云母化对东秦岭方城正长岩中锆石U-Pb体系的影响滇西点苍山高温糜棱岩显微构造和流动机制研究

Mylonitization and hydrothermal alteration impacts on U-Pb system of zircons : A case study of Fangcheng syenites in eastern Qinling Orogen

南天山蛇绿混杂岩和中天山南缘糜棱岩的~（40）Ar/~（39）Ar年龄及其大地构造意义

~ ( 40 ) / ~ ( 39 ) ar dating of the ophiolite melange in southern Tianshan and the mylonite in the southern rim of center Tianshan and their tectonic significance

Te、Se主要富集在与碱性岩浆活动有关的金矿中，Cd主要富集在火山热液型金矿和古老结晶基底内的糜棱岩型金矿中，而Tl则在卡林型金矿中富集。

Te and Se are enriched in those deposits which relate with alkali-magma activities , Cd in those deposits which occur in crystalline basement mylonite , and Tl in Carlin-type gold deposits .

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 .

花岗质糜棱岩中角闪石276.3Ma的Ar-Ar坪年龄给出了红山金矿床成矿事件的时代上限。

Hornblende in granitic mylonite yields an Ar-Ar plateau age of 276.3 Ma , representing the upper limit of the ore-forming event of the Hongshan gold deposit .

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 .

与糜棱岩的化学成分对比，假玻状岩具有SiO2，Na2O含量减少，K2O，Al2O3，MgO，FeO含量增加的规律，但稀土配分型式保持不变。

Comparing to mylonite , pseudotachylite is characterized by the decrease on SiO 2 , Na 2 O and the increase on K 2 O , Al 2 O 3 , MgO , FeO , but the REE pattern remains unchanged .

故此确定该剪切带糜棱岩形成于低温（局部可达高温）、中至高压环境，形成时代为始新世末（37Ma）。

So , it is determined that the mylonite formed in low temperature ( locally high ) and mid to high-pressure environment of late Eocene epoch ( 37Ma ) .

假玻状岩不仅可以形成于脆性域（与碎裂岩相关），而且可以形成于脆韧性过渡区（与糜棱岩相关），形成的最大深度可达18km；

Pseudotachylites are not only generated in brittle regime ( associated with cataclasites ), but in brittle ductile transition area ( associated with mylonites ), and the maximum depth of pseudotachylite generation may reach 18 km .

在讨论糜棱岩显微构造特征的基础上，利用位错密度法对该断裂带的古差异应力和应变速率进行了估算，其结果分别为80MPa和4.7×10-12S-1。

On the basis of discussing microstructure feature of the mylonite , the ancient stress difference (σ _1 - σ _3 ) and strain rate have been estimated by the way of dislocation density . The results are 80 Mpa and 4.7 × 10 - 12 s - 1 .

糜棱岩形成过程的空洞损伤-局部低围压破碎机制

Porosity - damage and local-low-ambient-pressure-crush mechanism in the formation of mylonite

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

糜棱岩是断层泥破碎带常见的构造岩类。

Mylonite is a common tectonic rock in fault broken zone .

金的矿化富集与断裂带中糜棱岩及石英脉的发育密切相关；

Mineralization of gold is closely related to mylonites and quartz veins .

剪切带内糜棱岩的塑性变形和恢复重结晶作用强烈。

The deformation and recrystallization in the shear zone are very strong .

我认为在这个片理化带中的大多数岩石都是糜棱岩。

I think the foliated rocks within the belt are mostly mylonite .

大管棚注浆法穿越糜棱岩断层带的应用技术

Applied technology of large-pipe-shelf grout injection through mylonite fault zone

强蚀变糜棱岩即为金矿体及金矿化体。

Strongly altered mylonite is gold ore body and gold mineralized body .

糜棱岩流动变形与含水量的关系

Relationship between Flow Deformation and Water Content of Mylonite

新疆红山糜棱岩型金矿床地质特征及成矿条件

Geological features and metallogenetic condition of the Hongshan mylonite-type gold deposit , Xinjiang

新疆赛都糜棱岩型金矿的矿石矿物学特征

Ore and mineral characteristics of Saidu mylonite-type gold deposit in habahe , Xinjiang

河台金矿19号糜棱岩带成矿预测与探矿实践

The river gold ore 19 mylonites belts mineralization forecast and prospects the practice

河台金矿开采急倾斜、薄矿体、矿岩中等稳固的蚀变糜棱岩型金矿床。

Alteration mylonite gold deposit , which is steeply dipping and narrow vein together .

青岛某断裂带带内糜棱岩桩端承载性状试验研究

Test Research on End-bearing Characteristics of Pile in a Mylonite Fault Zone in Qingdao

由此得到糜棱岩的应变速率为1.8×10~（-10）/s。

Therefore , the strain rate is 1 . 8 × 10-10 / sec .

金矿床主要属碎裂石英脉型，次为蚀变糜棱岩型。

The Au deposit is dominantly cataclastic quartz-vein type , secondly altered mylonite type .