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New Paper about Selectivity of Cretaceous-Paleogene Extinctions



Dear Friends,

There is a new paper that proposes an interesting and novel
idea about the selectivity of the Cretaceous-Paleogene
Extinctions. It is:

Kikuchi, R., and M. Vanneste, 2010, A theoretical
exercise in the modeling of ground-level ozone resulting
from the K–T asteroid impact: Its possible link with the
extinction selectivity of terrestrial vertebrates.
Palaeogeography, Palaeoclimatology, Palaeoecology.
vol. 288, no. 1-4, pp.14–23.

http://dx.doi.org/10.1016/j.palaeo.2010.01.027

A somewhat unrelated and downloadable PDF file about
about "meteorites, impacts, and mass extinction" is:

Meteorites, Impacts, and Mass Extinction
by Prof. Stephen A. Nelson, Tulane University

http://www.tulane.edu/~sanelson/geol204/impacts.pdf
http://www.tulane.edu/~sanelson/geol204/index.html

Yours,

Paul H.