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Thursday, 29 January 2009

Younger Dryas mammoth-killing comet questioned

Younger Dryas mammoth-killing comet questioned

Paul bristolia at yahoo.com
Thu Jan 29 18:01:50 EST 2009

1. Mammoth-killing comet questioned BBC News, UK
"A study of wildfires after the last ice age has cast doubt
on the theory that a giant comet impact wiped out woolly
mammoths and prehistoric humans."

http://news.bbc.co.uk/1/hi/sci/tech/7854348.stm
http://news.bbc.co.uk/nolpda/ukfs_news/hi/newsid_7854000/7854348.stm

2. 12900 Years Ago: North American Comet Impact Theory
Disproved, Science Daily (press release) - Jan 26, 2009

http://www.sciencedaily.com/releases/2009/01/090126173729.htm

Journal reference:

J. R. Marlon, P. J. Bartlein, M. K. Walsh, S. P. Harrison, et al. Wildfire
responses to abrupt climate change in North America. Proceedings
of the National Academy of Science, DOI: 10.1073_pnas.0808212106

Yours,

Paul H.

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