摘要
通许隆起为北西西向展布的宽缓复式背斜,其上叠加有北北东向短轴褶皱,并被北西西向、北东向和北北东向断裂切割.古生代至三叠纪本区接受了海相、海陆过渡相和陆相盆地沉积,三叠纪末隆起,地层广遭剥蚀,通许隆起的构造演化对本区的成煤条件有重要影响.该区的次级凹陷和次级凸起找煤远景较好.
Tongxu uplift, tectonically located in the north of Southern N. China Basin, is formed by a NWW-trending wide and gentle anticlinorium, superimposed by NNE-trending brachyfolds, and cut through by NWW-, NE- and NNE-trending fault systems. During Paleozoic to Triassic, the area received marine, continental-marine transition and continental basin sediments, then uplifted in the end of Triassic and was denuded widely. The tectonic evolution of Tongxu uplift significantly affected the coal-forming conditions in the area. The coal-searching is prospective in the secondary sags and domes of the uplift.
出处
《地质与资源》
CAS
2008年第2期132-134,157,共4页
Geology and Resources
关键词
通许隆起
构造演化
找煤远景
河南省
Tongxu uplift
tectonic evolution
coal-searching prospect
Henan Province
