Anton Wroblewski points to mammal track underprints (IMAGE)

University of Utah

Anton Wroblewski points to mammal track underprints

Caption

Anton Wroblewski points to an underprint made 58 million years ago by a heavy mammal (likely Coryphodon) walking on the deltaic deposits above. Underprints form when sediment is displaced downward by footsteps from heavy animals."

Credit

Anton Wroblewski

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