2.Thestratigraphy consists of two parts，basal and drape rock series. Undergoing tectonic process of the different stages and patterns，it forms complex tectonic landscapes，and control the forming and distribution of the different type of metallic mineral resources.
3.The method is introduced that the fabric drape projection photographs are analysed and processed computer image information process system, and the feature parameters are obtained to evaluate objectively the aesthetics of fabric drape.
