内蒙古东乌珠穆沁旗沙麦地区中—新生代伸展构造特征研究

Characteristics of the Meso-Cenozoic Extensional Structures in Samai Region,East Ujimqin Qi,Inner Mongolia

介绍了伸展构造概念与研究现状 ,沙麦地区中—新生代伸展构造基本特征与形成机制。认为区内中—新生代盆地是地壳呈北西西—南东东向伸展的结果 ,地壳的伸展演化并不连续 ,呈现幕式伸展的特点。

This paper deals with concept and present study situation of extensional structure,basic features and genetic mechanism for Meso-Cenozoic extensional structures in Samai region,Inner Mongolia.The Meso-Cenozoic basins in the region was formed by NWW-SEE extension of crust which is characterized by episodic evolution.