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

伊格尔砂岩元是分选良好岩屑质和海海绿石质。

The Glauconite Sandstone is a persistent stratigraphic unit.

海绿石砂岩是一个地层元。

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

海绿石、碳酸盐骨骸碎屑、海化石和胶磷矿普遍出现。