1. abounding in chalk
2. of or relating to the Cretaceous geologic era;
Only in the tropics were numerous late Cretaceous groups extinguished during peaks in their evolution.
The Cretaceous extinction was like a terrible streak of bad luck lasting millions of years.
The story takes place 6500 years ago in the Cretaceous period.
So the researchers resorted to some techniques out of a Cretaceous CSI.
NEW EARLY CRETACEOUS LALACID FROM JINGXI BASIN OF BEIJING, CHINA ( HOMOPTERA: FULGOROIDEA )
From the view of stratigraphy, they all belong to the Cretaceous period.
Upper Cretaceous : Including the Sifangtai Formation — Minshui Formation, corresponding to the Cenonian — Maestrichtian.
An image feet of live mainly in Jurassic and cretaceous.
Mineral, palaeontology, middle devonian, permian to early jurassic, and cretaceous.
Xihu depression is a cretaceous - tertiary basin undergoing multi - episodic tectonism.
Chagan Depression is a rift subsidence basin, which has developed cretaceous hydrocarbon.
Cretaceous sandstone and Eogene mudstone are the main reservoir and caprock.
The facies types of the Lower Cretaceous are mainly delta, lake and turbidity.
The prototype of Zhoukou Cretaceous basin should be of foredeep basin.
A NEW EARLY CRETACEOUS FAMILY FROM LIUPANSHAN , NINGXIA, CHINA ( INSECTA, TRICHOPTERA )
There is relatively little information about cretaceous, maybe you can watch a bilingual story to relax your mood, I wish you a happy day!
Words beginning with letter C
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