现代地质2012，Vol.26Issue(3)：498-507,10.
安徽繁昌地区古构造应力场及其演化特征研究
Research on Palaeotectonic Stress Field and Its Evolution in Fanchang Area, Anhui Province
摘要
Abstract
Fanchang area is an important segment of the Lower and Middle Yangtze iron-copper-gold metallo-genic belt, and the ore deposits are evidently controlled by structures. Field investigation and measurement have been carried out on the folds, faults and joints in this area, with determination on the principal stress directions of the multiphase structural activities through deformation characteristics observation and structural set analysis. The directions of the main palaeotectonic stress fields were EW and SN during pre-lndosinian, NNW during In-dosinian, EW during early Yanshanian, NWW during late Yanshanian, NE and EW during Himalayan period. On the basis of the study, an analysis has been completed on the evolution of palaeotectonic stress field in the Fanchang area. Furthermore, it shows that the main tectonic evolution was from Indosinian to late Yanshanian.关键词
古构造应力场/古构造应力场演化/安徽繁昌地区Key words
palaeotectonic stress field/ evolution of palaeotectonic stress field/ Fanchang area of Anhui Province分类
天文与地球科学引用本文复制引用
许康康,杜杨松,曹毅,张爱萍,罗淦..安徽繁昌地区古构造应力场及其演化特征研究[J].现代地质,2012,26(3):498-507,10.基金项目
国家自然科学基金项目(40672045) （40672045）
中国地质调查局项目(20089938) （20089938）
高等学校学科创新引智计划项目(B07011). （B07011）
