cretaceous

adj.

白垩的，白垩纪的；

n.

白垩纪，白垩系；

cretaceous period白垩纪

1. The story takes place 6500 years ago in the late Cretaceous period.
   故事发生在6500万年前的白垩纪晚期。

1. From the Cretaceous, Tarim basin began the new evolutional stage of foreland basin.
   从白垩纪初期开始

Cretaceous-Tertiary boundary event: Evidence for a short time scale
A BOTANICAL INDEX OF CRETACEOUS AND TERTIARY CLIMATES
Extraterrestrial Cause for the Cretaceous-Tertiary Extinction
Impacts of the Cretaceous Terrestrial Revolution and KPg extinction on mammal diversification.
EXTRATERRESTRIAL CAUSE FOR THE CRETACEOUS-TERTIARY EXTINCTION: EXPERIMENT AND THEORY
Nature and significance of the Early Cretaceous giant igneous event in eastern China
A new geomagnetic polarity time scale for the Late Cretaceous and Cenozoic
The Theropod Ancestry of Birds: New Evidence from the Late Cretaceous of Madagascar
Revised calibration of geomagnetic polarity time scale for the Late Cretaceous and Cenozoic
Exhumation of the ultrahigh-pressure continental crust in east central China: Cretaceous and Cenozoic unroofing and the Tan-Lu fault