| 江尕勒萨依榴辉岩的主要特征及其地质意义 |
| |
| 引用本文： | 张晓阳,邓瑞林,贺春平,王先辉.江尕勒萨依榴辉岩的主要特征及其地质意义[J].华南地质与矿产,2003(4):10-16. |
| |
| 作者姓名： | 张晓阳 邓瑞林 贺春平 王先辉 |
| |
| 作者单位： | 1. 湖南省地质调查院,湖南,湘潭,411100
2. 湖南省地质调查院,湖南,湘潭,411100;中国地质大学资源学院,湖北,武汉,430074 |
| |
| 基金项目： | 中国地质调查局区域地质调查项目(19991300009051). |
| |
| 摘 要： | 于新疆且末县江尕勒萨依发现两种不同类型的榴辉岩，它们的地质产状、矿物组成、岩石化学成分、地球化学特征及峰期变质温压条件均有明显的差别。北带榴辉岩属暗色富铁型，南带榴辉岩为浅色富镁铝型，两者都具有高压变质带的特征，是塔里木地块东南缘持续俯冲先后与两个或多个前寒武纪微地块碰撞的产物。阿尔金岩群实际上是碰撞拼贴的杂岩带，是加里东碰撞造山带山根之一部分。
|
| 关 键 词： | 榴辉岩 高压变质 俯冲-碰撞 江尕勒萨依 |
| 文章编号： | 1007-3701(2003)04-0010-07 |
| 修稿时间： | 2003年5月23日 |
Main characteristics of the Janggalsay River eclogite and its geological significance |
| |
| ZHANG Xiao-yang,DENG Rui-lin.Main characteristics of the Janggalsay River eclogite and its geological significance[J].Geology and Mineral Resources of South China,2003(4):10-16. |
| |
| Authors: | ZHANG Xiao-yang DENG Rui-lin |
| |
| Institution: | ZHANG Xiao-yang~1,DENG Rui-lin~ |
| |
| Abstract: | Two types of eclogites have been discovered on the Janggalsay River area,Qiemu County of Xinjiang and their geological occurrence,mineral assemblages,petrochemical compositions,geochemical characteristics and peak metamorphic temperature-pressure condition are quite different.The eclogites in north belt of the river are dark and rich in iron,and in south belt are tint and rich in magnesium and aluminium.The two types of eclogites are product of high-pressure metamorphism and were formed by persistent subduction and collision of two or more Precambrian microblocks in the southeastern margin of the Tarim Block. The Aerkin Group is actually a kind of collision complex as a part of the root of the Caledonian collision orogenic zone. |
| |
| Keywords: | eclogite high-pressure metamorphism subduction-collision Janggalsay River |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
