Mud Crack Imprint
A mud crack preserved in the shale, I determined it not to be an ichnofossil due to more that turned up in the rock.
Hartford Basin
Portland Formation
Massachusetts
Photo Information
- Taken with samsung SM-G530T
- Focal Length 3.3 mm
- Exposure Time 1/15
- f Aperture f/2.2
- ISO Speed 200
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