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

伊格尔砂岩的下部单元是分选良好的岩屑质石质。

The Glauconite Sandstone is a persistent stratigraphic unit.

石砂岩是一个稳定的地层单元。

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

石、碳酸盐骨骸碎屑、化石胶磷矿普遍出现。