Exposure of the Great Unconformity (IMAGE)

Proceedings of the National Academy of Sciences

Exposure of the Great Unconformity

Caption

Exposure of the Great Unconformity, Manitou Springs, Colorado, showing the contact between the underlying ~1.1 Ga Pikes Peak Granite and the overlying ~510 Ma Sawatch Sandstone.

Credit

Image credit: Christine S. Siddoway.

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