蛇绿岩

铬铁矿及（或）菱镁矿化通常是与蛇绿岩有关。

Chromite and / or magnesite mineralization is usually related to the ophiolite .

青海南部蛇绿岩中辉长岩锆石SHRIMPU-Pb定年和岩石地球化学特征

Zircon SHRIMP U-Pb dating and lithogeochemistry of gabbro from the ophiolite in southern Qinghai Province

赣东北蛇绿岩的离子探针锆石U－Pb年龄及其构造意义

Shrimp ion microprobe zircon U-Pb age of the ne Jiangxi ophiolite and Its Tectonic Implications

蛇绿岩套中的变质橄榄岩REE含量较低，以“U”型或轻稀土亏损型为特点。

The metaperidotite in ophiolite suit is characterized by lower REE content and the " U " type of variation or deletion of LREE .

皖南蛇绿岩套辉长岩锆石U-Pb定年以及元素和氧同位素研究

Zircon U-Pb Dating and Element and Oxygen Isotope Geochemistry of Gabbro from Ophiolites in South Anhui

西昆仑库地伟晶辉长岩和玄武岩锆石SHRIMP年龄：库地蛇绿岩的解体

Zircon SHRIMP Age Determination of the Giant-crystal Gabbro and Basalt in K ü da , West Kunlun : Dismembering of the K ü da Ophiolite

拉斑玄武岩SHRIMP锆石年龄352Ma，说明蛇绿岩的形成可持续到晚泥盆世&早石炭世。

Tholeiite has a zircon SHRIMP U-Pb age of 352 Ma , suggesting that the formation of the ophiolites may have continued till the Late Devonian-Early Carboniferous .

蛇绿岩的枕状熔岩具N－MORB的特征，而其上覆岩系中的枕状熔岩类似E－MORB。

The pillow lava from the ophiolite has the characteristics of N MORB , and those from the overlying rock sequence are similar to E MORB by geochemistry .

离子探针锆石U－Pb年龄分析结果表明，赣东北蛇绿岩套的高度分异岩浆的结晶年龄为968±23Ma。

The present SHRIMP zircon U-Pb isotopic study suggests that the crystallization age of a highly fractionated magma in the NE Jiangxi ophiolite suite is 968 ± 23Ma .

西昆仑山库地蛇绿岩的特征及其构造意义南部Pb、V、Cr异常反映早古生代地层与蛇绿岩套的混合地化场。

THE CHARACTERISTICS OF KUDI OPHIOLITE SUITE AND ITS TECTONIC SETTING and the Pb , V and Cr anomalies in the southern part of the province are the resultant fields of the early Palaeozoic rock formations and ophiolite suite .

探讨了识别洋中脊扩张型（MORS）和洋俯冲带上面（SSZ）蛇绿岩（套）在火成岩组合上的差别。

The difference between MORS – and SSZ – type ophiolites in terms of igneous petrotectonic assemblages is discussed .

对皖南蛇绿岩套辉长岩分别进行锆石微区U-Pb定年、全岩主微量元素分析和Sr-Nd同位素分析、矿物氧同位素分析。

Zircon U-Pb dating , whole-rock major and trace elements , Sr-Nd isotopes , and mineral O isotopes were determined for samples from ophiolites in south Anhui .

从而，在古大洋消失之后形成的碰撞带上同时保存了MORB型和SSZ型两类蛇绿岩。

Therefore , two of MORB-type and SSZ-type ophiolite crop out along collision belt formed after the closing of the old ocean .

本区洋脊拉斑玄武岩为蛇绿岩的组成部分，指示一套MORB型蛇绿岩组合以及秦岭与杨子板块之间古生代中期&早中生代期间存在的一个古洋盆。

It implys a MORB type ophiolite association and an ancient ocean basin between Qinling and Yangtze plates during middle Palaeozoic early Mesozoic era .

通过野外5条剖面的初步调查和详细的室内岩石学、矿物学和地球化学的研究，在班公湖地区厘定出MOR型和SSZ型两套蛇绿岩。

MOR - and SSZ - type ophiolites are recognized in the Bangong Lake by the field work and the detailed study of petrology , mineralogy and geochemistry .

新疆库地蛇绿岩堆积厚度达1500m以上，主要岩石由纯橄岩、斜辉橄榄岩、辉长岩、块状玄武岩、枕状玄武岩、玄武安山岩、硅质岩、粉砂岩等组成。

The ophiolite is composed of dunite , peridotite , gabbro , massive basalt , pillow basalt , basaltic andesite , silicalite and siltstone with thickness of over 1500 m.

凯蒙蛇绿岩的确定表明嘉黎断裂在早期（T3-J1）可能是冈底斯构造带上的一条重要缝合带。

The definition of Kaimeng ophiolite shows that Jiali fault may be an important suture in Gangdese tectonic belt during T_3-J_1 .

本文将西准噶尔地区蛇绿岩分为两类：一类是变质橄榄岩+辉石岩+辉长岩组合（简称PPG系列），它们遵循富Ca的演化趋势，发育冶金型铬铁矿床；

The ophiolites in the Western Junggar are divided into two types : one of them is assemblage of metamorphic peridotite + pyroxenite + gabbro ( abbreviated to PPG series ), the series follows Ca-rich evolutional trend and grew the metallurgical type chromite deposit .

由于大洋板块的俯冲作用，在缝合带中MOR型蛇绿岩很少被保存下来，保存较好的大多数为SSZ型蛇绿岩。中国大陆东部大洋板块俯冲的三维黏弹性有限元模型

Therefore , SSZ-type ophiolite is major one preserved well in the orogenic zone . 3-D VISCO-ELASTIC FINITE ELEMENT MODEL FOR THE SUBDUCTION OF THE OCEAN PLATES INTO THE EASTERN PART OF CHINA 'S CONTINENT

玄武岩及辉绿岩的地球化学显示其具MORB特征，Nb显负异常，环境判别显示该蛇绿岩可能形成于离洋内弧较近的SSZ型弧后盐地。

Geochemistry of basalt and diabase demonstrates they are of MORB characteristic , with Nb negative anomaly , and the environment discriminations suggest that the ophiolite may form in a SSZ-type back-arc basin serves behind a intra-oceanic arc .

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 .

在西部下志留统下部砂岩中发现有来自SSZ（超俯冲带）型蛇绿岩的碎屑尖晶石，表明北祁连洋的洋壳残片已经仰冲至地表遭受剥蚀。

Detrital spinels are observed in the western Lower Silurian sandstones , and have chemical composition similar to that of those from SSZ ( supra-subduction zone ) type ophiolites , suggesting that the North Qilian oceanic crust has been obducted and eroded .

据此推测该安山岩类属蛇绿岩成员，其可能产于俯冲带之上（SSZ）的岛弧环境。而该蛇绿岩则属于某种弧间构造背景的蛇绿岩。

It is suggested in this paper that the andesite is a member of the ophiolite suits , which were most probably formed in an island-arc environment of supra-subduction zone ( SSZ ) and the ophiolite belongs to the type of arc tectonic setting .

本文通过对蛇绿岩基性熔岩的主量、微量和同位素地球化学研究，结果表明库勒湖蛇绿岩具N-MORB特征，推测其形成于小洋盆环境。

The major , trace element and isotope geochemical characteristics of the basic lavas of the Kule Lake ophiolite indicate that the basic lavas have a N-MORB affinity , possibly suggesting a small ocean basin environment for them .

本文结合历次对该蛇绿岩的观察，重点就最近该蛇绿岩中石英辉长岩的锆石SHRIMP-Ⅱ测年给出510Ma±4Ma及其构造意义作一简要报道。

In combination of previous observations of the ophiolite , this paper mainly reports the recent zircon SHRIMP-II dating of quartz gabbro in the K ü da ophiolite ( which yields an age of 510Ma ± 4Ma ) and its tectonic significance .

蛇绿岩中伸展变形与古洋盆扩张构造研究综述

Extensional deformation of the ophiolite and spreading structures of paleo-oceanic crust

蛇绿岩：壳-幔过程的地质记录

Ophiolite as a record of the mantle - crust processes

四川石棉县石棉蛇绿岩主要由变质橄榄岩和辉长岩组成，玄武岩出露零星。

The Shimian ophiolite is mainly composed of metamorphic peridotite and gabbro .

对蛇绿岩中所附存铬铁矿的形成环境及其成矿机制做了简略回顾。

The tectonic setting and metallogenic mechanism of ophiolitic chromites are reviewed .

赣东北蛇绿岩及其地球动力学意义

The Ophiolites in northeastern Jiangxi Province and their geodynamical significance