RE: Big 250 mya Crater Found In Antarctica

[Ken.Carpenter@dmns.org]

Age date pretty iffy. 


Kenneth Carpenter, Ph.D.
Curator of Lower Vertebrate Paleontology/
Chief Preparator
Department of Earth Sciences
Denver Museum of Nature & Science
2001 Colorado Blvd.
Denver, CO 80205
 
Phone: 303-370-6392
Fax: 303-331-6492

for PDFs of some of my publications, as well as information of the Cedar
Mountain Project: 
https://scientists.dmns.org/sites/kencarpenter/default.aspx
++++++++++++++++++

-----Original Message-----
From: owner-DINOSAUR@usc.edu [mailto:owner-DINOSAUR@usc.edu] On Behalf
Of john hunt
Sent: Friday, June 02, 2006 11:25 AM
To: rtravsky@uwyo.edu; dinosaur@usc.edu
Subject: RE: Big 250 mya Crater Found In Antarctica

And what about this: 
http://www.sciencedaily.com/releases/2004/05/040514025854.htm

250mya craters seem to be turning up all the time!  This one is only a
tiddler though.

-----Original Message-----
From: owner-DINOSAUR@usc.edu [mailto:owner-DINOSAUR@usc.edu] On Behalf
Of Richard W. Travsky
Sent: 02 June 2006 16:43
To: dinosaur@usc.edu
Subject: Big 250 mya Crater Found In Antarctica



http://www.sciencedaily.com/upi/index.php?feed=Science&article=UPI-1-200
6060
1-18311100-bc-us-giantcrater.xml

COLUMBUS, Ohio, June 1 (UPI) -- U.S. planetary scientists report finding
evidence of a meteor impact much larger than the one believed
responsible for the extinction of dinosaurs.

The 300-mile-wide crater lies more than a mile beneath the East
Antarctic Ice Sheet and might date to about 250 million years ago -- the
time of the Permian-Triassic extinction, when nearly all animal life on
Earth became extinct.

Its size and location -- in the Wilkes Land region of East Antarctica,
south of Australia -- suggest it could have begun the breakup of the
Gondwana supercontinent by creating the tectonic rift that pushed
Australia northward.

Scientists believe the Permian-Triassic extinction paved the way for
dinosaurs to rise to prominence. The Wilkes Land crater is more than
five times the size of the Chicxulub crater in the Yucatan peninsula,
which marks the impact that may have ultimately killed the dinosaurs 65
million years ago.

Ohio State University researchers who made the discovery collaborated
with the National Aeornautics and Space Administration, Russian and
South Korean scientists in the study.

The preliminary results of their research were presented during a recent
poster session at the American Geophysical Union Joint Assembly meeting
in Baltimore.