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相绿。
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相绿。
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