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内蒙古苏布格塔蓝闪石片岩基本特征及成因分析

张庆奎 邵学峰 关培彦 杨宾 赵明远 李安楠 吕凤祥

中国地质Issue(4):1205-1214,10.
中国地质Issue(4):1205-1214,10.

内蒙古苏布格塔蓝闪石片岩基本特征及成因分析

Basic characteristics and genetic analysis of glaucophane schist in Subugeta, Inner Mongolia

张庆奎 1邵学峰 1关培彦 1杨宾 1赵明远 1李安楠 1吕凤祥1

作者信息

  • 1. 辽宁省地质勘查院,辽宁大连116100
  • 折叠

摘要

Abstract

The studied glaucophane schist is in the Ordovician Halahahe Formation of Subugeta, Inner Mongolia, and there are a variety of rock assemblage types. According to the optical characteristics and EMP analysis, the authors have come to the conclusion that the glaucophane schist is a kind of ferriglaucophane in the study area. The topomineral assemblage of glaucophane schist is characterized by glaucophane + epidote + actinolite + phengite + sphene. The schist was cemented and recrystallized by shaly clasolite, and the formation environment of native rock was the marginal-sea basin of the continent. The metamorphic origin belonged to the regional low-temperature/middle-high pressure dynamic metamorphism related to plate movement.

关键词

蓝闪石片岩/电子探针/标型矿物组合/边缘海盆地/板块运动

Key words

glaucophane schist/EMP/topomineral assemblage/marginal-sea basin/plate movement

分类

天文与地球科学

引用本文复制引用

张庆奎,邵学峰,关培彦,杨宾,赵明远,李安楠,吕凤祥..内蒙古苏布格塔蓝闪石片岩基本特征及成因分析[J].中国地质,2014,(4):1205-1214,10.

基金项目

中国地质调查局地质调查项目(1212011120668)资助。 (1212011120668)

中国地质

OA北大核心CSCDCSTPCD

1000-3657

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