摘要
霞若地区的构造形迹可划分为6个构造群落。吕梁期构造群落(D1)属中深构造相,变形机制不明。华力西期构造群落(D2)属中浅构造相,形成于伸展机制。印支期构造群落(D3)属中浅构造相,形成于挤压机制。喜马拉雅早期构造群落(D4)具浅表构造相特征,仍形成于挤压机制。喜马拉雅中期构造群落(D5)亦为浅表构造相,系水平剪切的产物。喜马拉雅晚期构造群落(D6)属表部构造相,由差异升降形成。
The structural deformations in Xiaruo area can be divided into 6 structural grou ps as follows: The Luliang structural group(D1) belongs to the middle-deep st ructure with unknown deformation mechanism. The Variscan group(D2) belongs to the mid-epistructure with ertension mechanism. The Indosinian one(D3) is the mid-epistructure with compression mechanism. The early Himalayan(D4)is charac terized by the epistructure and compression. The mid-Himalayan(D5)is the epis tructure by horizontal shearing movement. And the late Himalayan(D6)belongs to the surface structure by differential rising-falling.
出处
《云南地质》
2003年第2期152-160,共9页
Yunnan Geology
基金
中国地质调查局
1:25万中甸县幅区域地质调查.
