From the viewpoint of structural analysis,this paper point out that the essen-tial structurall set-up in Chaohu coalfield is that of recumbent fold and napping is developedalong the overturned limb and lower part of the structure.

• 本文从构造分析的角度出发，指出安徽巢湖煤田的基本构造型式为大型的平卧褶皱，以及在此基础上，沿倒转翼及其以下构造部位发育起来的推覆构造。