安徽巢湖地区在大地构造位置上属下扬子拗陷东段,区内石炭系分布广泛,出露齐全,生物化石也十分丰富。自三十年代以来所进行的区域地质、地层古生物工作为沉积环境的研究奠定了良好的基础。 1981年5月,南京地矿所沉积组与安徽区测队二分队,结合科研和区测工作,开展了巢湖下石炭统沉积环境的研究,共实测了下石炭统剖面九条,对其中四条进行了较详细的岩石学研究。(图1) Anhui Chaohu region belongs to the eastern segment of the Yangtze subduction in the tectonic setting of the area. The Carboniferous in the area is widely distributed and fully exposed with rich biological fossils. Regional geology and stratigraphic paleontology carried out since the 1930s have laid a good foundation for the study of sedimentary environment. In May 1981, Nanjing Institute of Geology and Mineral Deposits and the Second Detachment of Anhui Area Survey Team conducted a research on the sedimentary environment of the Lower Carboniferous in the Chaohu Lake. In total, nine Lower Carboniferous sections were measured and four of them were surveyed A more detailed study of petrology. (figure 1)