我国地层研究工作已有数十年历史。解放前近四十年中,有少数地质人员做了一些基础工作,但进展缓慢。新中国建立后,全面开展了区域地质调查和地层研究工作。一九五九年开了全国地层会议,总结了几十年的研究成果,并以会议“学术报告汇编”的形式公诸于世。自这次会议以来近二十年,我国地层研究工作又有了长足进展。笔者根据各单位资料将我国地层简况及近二十年来之进展概括如下。由于篇幅等原因,文后文献目录从简。错误与遗漏在所难免,请批评指正。 Stratum research in our country has been for decades. Nearly 40 years before the liberation, a few geologists did some basic work, but the progress was slow. After the founding of New China, it conducted a comprehensive survey of regional geological and stratigraphic research. The National Stratum Conference was opened in 1959, summarizing the results of several decades of research and making it public in the form of a conference “Compilation of Academic Reports.” Nearly two decades since this meeting, great progress has been made in the research of stratigraphy in our country. The author summarizes the stratum of our country and the progress of the past 20 years according to the data of each unit as follows. Due to space and other reasons, literature catalog simple. Errors and omissions are inevitable, please comment on criticism.