摘要
东疆哈尔里克造山带中红柱石的变形显微构造与区内A型俯冲引起的断裂区域变质作用有成因联系。红柱石的变形特征显示了其变形机制为塑性形变 ,处于韧性变形的条件下 ,表明变形前形成于一定的深度 ,后受推覆构造作用 ,发生变形并被带至地表 ,是区内构造演化的产物。
The microfabric deformation structure of andalusite in the Harlik orogenic belt is genetically related to the faulting-induced regional metamorphism caused by intracontinental A-type subduction. The deformation characteristics of andalusite suggest that it belongs to plastic deformation under ductile metamorphic condition. It is shown that andalusite was formed at a deeper depth before deformation, then it was brought to the earth surface which was broken and deformed during large-scale thrust tectonism. It is the product of tectonic evolution in the area.
出处
《矿物学报》
CAS
CSCD
北大核心
2001年第3期377-380,共4页
Acta Mineralogica Sinica
基金
国家自然科学基金项目 (批准号 :49372 10 2 )
关键词
哈尔里克造山带
红柱石
显微变形构造
变形机制
构造演化
Harlik orogenic belt
andalusite
microfabric deformation structure
deformation mechanism, tectonic evolution
