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西藏察隅地区构造变形分析及特征

引用本文：尹光侯,侯世云.1999.西藏察隅地区构造变形分析及特征[J].地球学报,20(2):129-136.

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作者	单位
尹光侯	云南地勘局第三地质大队
侯世云	云南地勘局第三地质大队

基金项目:地质矿产部区域地质调查项目

中文摘要:察隅地区属多次构造变动地带，先后经历了５次构造变形的改造与叠加，主要在三叠纪－中侏罗早期受古特提斯封闭影响而形成，中侏罗世晚期后，进一步加强与定型而成为主动大陆边缘逆冲推覆、逆冲式褶皱造山带。由４个次级构造（－建造）单元组成。可分为４种构造变形相，在各构造单元中构成了变形序列。

中文关键词:西藏察隅构造变形相构造群落变形序列

Structural Features and Analysis in the Zayü Area,Tibet

Abstract:The Zayü area is a polyphase structural deformation z one.It underwent five phases of structural deformation and superimpositior.It o riginated mainly under the influence of the closing of the paleo-Tethys.After th e middle part of the Mid Jarassic,it was finalized and became an active continen tal-margin thrust-type fold orogenic belt.It is composed foursecond-order struct ure(formation)units and may be divided into four toctonic deformation facies wh ich form a deformation sequence in each tectonic unit.

keywords:Tibet Zayü tectonic deformation facies tectonic community deformation sequence

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