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Re: Dino Death Pits in Feb. Palaios
David Marjanovic wrote:
>> There is no evidence that the pits were discrete depressions in the
>> topography that filled through time. Rather, they appear to have been
>> highly localized areas of liquefaction caused by large-dinosaur
>> (possibly sauropod) trampling of saturated sediments.
> Does this mean the vibrations from trampling sauropods liquefied nearby
> quicksand...? That would be awesome.
> In any case, the paper shows that size does matter. =8-)
No, the idea is that the compression and then decompression of the
sediment underneath the sauropod's foot liquified it. Walking around a
beach in the right conditions can do the same.
Thomas R. Holtz, Jr.
Email: firstname.lastname@example.org Phone: 301-405-4084
Office: Centreville 1216
Senior Lecturer, Vertebrate Paleontology
Dept. of Geology, University of Maryland
Faculty Director, Earth, Life & Time Program, College Park Scholars
Faculty Director, Science & Global Change Program, College Park Scholars
Mailing Address: Thomas R. Holtz, Jr.
Department of Geology
Building 237, Room 1117
University of Maryland
College Park, MD 20742 USA