1) K/T boundary
白垩系-第三系界线划分
2) chalk
白垩
1.
A study on time－dependent behavior of the North Sea unsaturated chalk;
非饱和白垩压缩变形依时特性的研究
2.
Both the engineering practice and laboratory tests show that structural collapse in petroleum chalk tends to occur during water injection.
工程实践和室内试验都表明 ,油田白垩遇水后极易发生颗粒结构崩溃现象。
3.
The characteristics between calcareous clay and chalk and marlite have been compared in mineral composition and structure etc.
对一种新的非金属矿产———钙土矿的地质特征、矿石特征、物化性能及其在工业领域的应用前景作了介绍，并从矿物组成、结构等方面与白垩、泥灰岩作了对比。
3) Agstone
白垩,磨细白垩粉,白垩粉
4) agricultural limestone
白垩,磨细白垩粉,白垩粉
5) atomite
白垩,磨细白垩粉,白垩粉
6) lower Cretaceous
下白垩统
1.
Diagenetic reservoir facies and reservoir space evolution of the Quantou Formation of Lower Cretaceous in Xinli Oilfield,Jilin Province;
吉林新立油田下白垩统泉头组成岩储集相及储集空间演化
2.
Genetic Potential of Goal-Measure Source Rocks of Lower Cretaceous in Jixi Basin;
鸡西盆地下白垩统煤系烃源岩生油潜力
3.
Sedimentary facies of the Member 4 of Quantou Formation of Lower Cretaceous in southern Central Depression of Songliao Basin;
松辽盆地中央坳陷南部下白垩统泉头组四段沉积相
参考词条
补充资料：下第三系
见早第三纪。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。