Geology of Colorado (Boulder Valley) - Field Trip #1, Stop #7: Niobrara, Pierre Shale Formation

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Summarizing the geological concepts seen during the day. Sitting on the Niobrara formation, Smoky Hills member and looking out over the vast expance of the Pierre Shale. Haystack Butte off in the distance at left.
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Summarizing the geological concepts seen during the day. Sitting on the Niobrara formation, Smoky Hills member and looking out over the vast expance of the Pierre Shale. Haystack Butte off in the distance at left.