tertiary period

常见例句

This 65.5-million-year old layer of Earth separates fossils of the Cretaceous period from those of the Tertiary period.
他们发现当时被称为K-T边界的沉积层中含有浓度极高的铱元素，这个具有6,550万年历史的古老地层将白垩纪的化石与第三纪的化石分离开来。
huzhangao.blog.163.com
The oil originated more than four kilometers (two and a half miles) below the ocean floor, in rock layers that formed millions of years ago, during the Tertiary period.
这些原油发源于位于海底下方四千米深处形成于几百万年前第三极时期的的岩层，那里岩浆滚滚。
And the crust continued to be extensional during the Late Cretaceous and Tertiary period resulting from the volcanic sedimentary association with the rift type characteristics.
晚白垩世—第三纪地壳继续处于拉张松弛环境，形成以裂谷环境为主要特征的火山—沉积岩石组合。

Enrolment in pre-primary, secondary and tertiary education has also grown by more than 60% during the same period.
UNESCO: EDUCATION