“白垩统”造句

下白垩统的扎赉诺尔群的沉积相的主要类型为三角洲相, 湖相和浊流相.
The facies types of the Lower Cretaceous are mainly delta, lake and turbidity.

酒泉盆地普遍发育了始新统与下白垩统之间的不整合.
The unconformity between the Eocene and the Lower Cretaceous is common in Jiuquan basin.

• #白垩统