The main sedimentary facies of the Upper Carboniferous on the margin of the Xuefeng Anicient Land can be divided into su摘要湖南沅陵雪峰古陆边缘上石炭统主要包括下列岩相类型：冲积扇砂砾岩相、前滨海滩砂岩相、浅滩碳酸盐相及混积岩相、潮下碳酸盐岩相及滩后局限碳酸盐岩相。