Geologist Winston Seiler at the 'Dinosaur Dance Floor’ (IMAGE)

University of Utah

Geologist Winston Seiler at the 'Dinosaur Dance Floor’

Caption

Geologist Winston Seiler with some of the dinosaur tracks he identified for his thesis as a University of Utah master's degree student. The impressions once were thought to be potholes eroded by water. But Seiler and Marjorie Chan, chair of geology and geophysics at the University of Utah, published a scientific paper in the October 2008 issue of the journal Palaios identifying the abundant impressions as comprising a large dinosaur "trample surface" in northern Arizona. There are so many tracks they wryly refer to the site as "a dinosaur dance floor."

Credit

Nicole Miller

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