Lower Tertiary

• 下第三系

Lower Tertiary的用法和样例：

例句

1. A model for the Lower Tertiary framework and sequence system tract of Jiyang subbasin was established with the high_resolution sequence stratigraphy.
   建立了济阳坳陷下第三系高精度层序地层格架和层序体系域的构成模式。
2. According to the features of seismic reflection termination and sei smiC wave,Tertiary in studying area is divided into two seismic sequences and nine subsequences.
   依据地震反射终止关系和地震反射波特征，将东濮凹陷东南部下第三系划分成两个地震层序和九个亚层序。