Asteroid Impacts May Have Triggered Plate Tectonics

Paul bristolia at yahoo.com
Wed Jan 16 13:05:19 EST 2008

Meteor Pelting May Have Triggered Plate Tectonics
Larry O'Hanlon, Discovery News

http://dsc.discovery.com/news/2007/12/10/meteors-earth.html
http://dsc.discovery.com/news/2007/12/10/meteors-earth-print.html

Hansen , V. L., 2007, Subduction origin on early Earth: A hypothesis.
Geology. vol. 35, no. 12, pp. 1059–1062

http://www.gsajournals.org/perlserv/?request=get-abstract&doi=10.1130%2FG24202A.1

Yours,

Paul H.