摘要
贵州第四系发育齐全,并多集中分布于盆地与河谷之中。以前对贵州第四系曾做了大量工作,积累了不少资料。但在以往资料中,对贵州第四纪地层划分与自然环境的研究仍存在一些分歧,因此应认真贯彻“百家争鸣”的方针,展开深入的讨论,把贵州第四系研究提高到一个新的水平。
Guizhou is located in a transitional belt between the plateaus in western China and the rolling hills in eastern China, with large part being mountain area except that the zone from Weining to Hechang is vast plateau.
The Quaternary strata in Guizhou are fully developed. Because of the new tectonic movement, most of them are distributed in the flovial terraces and on the basin platforms, while a small number of fault basins are distributed at the bottom.
The genesis types of Quaternary are alluviation, flood deposit, lake deposit, relict sediment, hillside deposit, glacier-glacial margin deposit and cave deposit, etc.
Many research units have done a lot of research work on Guizhou Quaternary and collected many data. But some problems still exist in Quaternary subdivision and comparison as well as in Quaternary natural environment, for example, the evidence of the genesis type and the age is lacking; in making researches on Quaternary glaciers, those that are not glacial deposits were regarded as glacial deposits, six glacial ages of Guizhou were divided and the 'Bihen movement' was created only according to some unreliable data; in using the data of palaeogeomagnetism, some epoch limits have no basis because of a lack of the data of geologic ages and the calculation of actual sedimentary rate.
In order to make the researches on the Quaternary strata in Guizhou more accurate, it's better for us to have a discussion on the problems concerned so as to get more correct and reliable data.
出处
《贵州地质》
1989年第1期49-59,共11页
Guizhou Geology
