Species Extinction By Asteroid A Rarity

Paul bristolia at yahoo.com
Sat Oct 11 23:16:51 EDT 2008

University of Southern California (2008, October 10). Species
Extinction By Asteroid A Rarity. ScienceDaily. Retrieved October
11, 2008, from

http://www.sciencedaily.com/releases/2008/10/081007102904.htm

Greene, S. E., D. J. Bottjer, F. A. Corsetti, and J. P. Zonneveld,
2008, Mass Extinction Déjà Vu: Seafloor Aragonite Fans near the
Triassic-Jurassic Boundary. Geological Society of America Abstracts
with Program. vol. 40, no. 6, p. 222.

http://gsa.confex.com/gsa/2008AM/finalprogram/abstract_147579.htm

Martindale, R., 2008, Paleoecological Patterns of Reef Death and
Possible Causes for the Carbonate Collapse at the End-Triassic
Mass Extinction. Geological Society of America Abstracts with
Programs. vol. 40, no. 6, p. 279

http://gsa.confex.com/gsa/2008AM/finalprogram/abstract_142398.htm

Heydrari, E. and others, 2008, Mantle Plumes and Phanerozoic
Biological Crises: Application to the Permian – Triassic Boundary
Mass Extinction. Geological Society of America Abstracts with
Programs. vol. 40, no. 6, p. 98.

http://gsa.confex.com/gsa/2008AM/finalprogram/abstract_146945.htm

Richoz, S., and others, 2008, Repeated Photic Zone Euxinia after
the Triassic-Jurassic Mass-Extinction Event. Geological Society
of America Abstracts with Programs. vol. 40, no. 6, p. 505,

http://gsa.confex.com/gsa/2008AM/finalprogram/abstract_146441.htm

A related news release is:

Extinction Theory Falls From Favor: The Great Dying 250 million
years ago happened slowly, according to USC geologists.
http://www.usc.edu/uscnews/stories/14432.html

Yours,

Paul H.