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On other field trips in the Paleontology Certification Program, we examined ancient mudcracks in rock. The cracks had been filled in with sand, but were easily identified in the rock record. In this gully, we were treated to these mudcracks. This was a small pond in the gully earlier in the spring which has since dried up. All it takes is another hard rain and the cracks will be filled in by upstream sediments. A flash flood could provide the proper burial needed to solidify these mudrocks in the rock record from today.
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