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Geology of Colorado (Boulder Valley) - Field Trip #1, Stop #5: Lykins, Canyon Spring, Morrison, Dakota Formations

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Stop #5 - Upper Lykins formation: Truncated crossbeds with ripples resulting from vortex motion (which Emmett is pointing out in this image). The motion takes sand that has avalanched off and pushes the grains back up.
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Stop #5 - Upper Lykins formation: Truncated crossbeds with ripples resulting from vortex motion (which Emmett is pointing out in this image). The motion takes sand that has avalanched off and pushes the grains back up.



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