'A dinosaur dance floor': Numerous tracks at Jurassic oasis on Arizona-Utah border

(PhysOrg.com) -- University of Utah geologists identified an amazing concentration of dinosaur footprints that they call "a dinosaur dance floor," located in a wilderness on the Arizona-Utah border where there was a sandy desert oasis 190 million years ago.

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<p><a href="http://www.physorg.com/news143692605.html">'A dinosaur dance floor': Numerous tracks at Jurassic oasis on Arizona-Utah border</a></p> <p>(PhysOrg.com) -- University of Utah geologists identified an amazing concentration of dinosaur footprints that they call "a dinosaur dance floor," located in a wilderness on the Arizona-Utah border where there was a sandy desert oasis 190 million years ago.</p>