51. The cower unit of the Eagle is a wellsorted lithic and glauconitic marine sandstone.

伊格尔砂岩的下单元是分选良好的岩屑质和海相海绿石质。

Glauconite, detrital carbonate skeletal debris, marine fossils, and collophane are commonly present.

海绿石、碳酸盐骨骸碎屑、海相化石和胶磷矿普遍出现。

In eastern China, transgression occured periodically during Eogene, and formed specially paleobio-cenosis,mineral association and rock type.

在中国东三纪沉积演化程中曾周期性海侵,从而形成了具有海相特征的岩石类型、古物组合。

These basins were generally filled with upward fining and deepening sedimentary sequence that comprises nonmarine to marine, shallow marine to deep marine depositional systems.

在盆内堆积了从陆相到海相，从浅水到深水的各种沈积体系，组成向上变细和变深的充填序列。