【摘要】 本文首次对苏皖北部上元古界倪园组的沉积相进行了较为详细的划分,提出了大致可与威尔逊碳酸盐台地沉积模式进行对比的四种沉积相;文中还首次提出了倪园组中存在着碳酸盐风暴沉积的认识,为今后本区前寒武纪事件地层学的进一步研究,提供了新的实际资料。更多还原

【Abstract】 This paper made a detailed classification of the sedimentary facies of the Niyuan Formation, Upper Proterozoic in the northern Jiangsu and Anhui Provinces, and determined four facieses which could be compared with the typical model of the paper, the authors first recognize the carbonate storm deposits in the Niyuan Formation, and this discovery undoubtedly provides some new practical information for the further study of the Precambrian event stratigraphy in this area.更多还原