笔者对云南泥盆系的分区及地层划分进行了详细讨论。论证了泥盆系顶、底界线、内部界线和有关问题。

In this paper, the regional and stratigraphic division, the top, bottom and inner boundary lines of the Devonian in Yunnan are discussed in detail.

youdao

笔者对云南泥盆系的分区及地层划分进行了详细讨论。论证了泥盆系顶、底界线、内部界线和有关问题。

In this paper, the regional and stratigraphic division, the top, bottom and inner boundary lines of the Devonian in Yunnan are discussed in detail.

youdao