2) Cretaceous red bed
白垩纪红层
3) Jurassic Cretaceous red beds
侏罗纪-白垩纪红层
4) Cretaceous red basin
白垩纪红盆
5) Cretaceous red strata
白垩系红层
1.
It is well known that Changsha Pingjiang basin of Cretaceous red strata is an area short of water.
长（沙）—平（江）白垩系红层盆地，公认为贫水地区。
6) Cretaceous period
白垩纪
1.
According to the regional geology investigation, we found there are many magmatic activities in Cretaceous period; they are the Yanshan movement’s product, belonging to rift valley environment.
通过对其岩石特征、岩石化学、地球化学及侵入最新地层的研究和同位素测年结果,笔者认为该期侵入体形成于白垩纪,为燕山运动的产物。
2.
This paper deals with the present situation,prospect and significance of the research for continental Cre-taceous red beds to reconstruction of paleoclimate in the Cretaceous period.
介绍了白垩纪陆相红层研究的现状及前景,特别是其在白垩纪陆相古气候恢复方面所具有的重要意义。
3.
1%,and its average value during the Cretaceous period is about 0.
对藏南发育完整的、厚度巨大的海相白垩纪地层中的暗色泥、页岩开展了有机质丰度研究。
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