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Re: Re[2]: Dinosaur Extinction Theories

Can anyone provide statistics on the other four known mass extinctions. I'll
cross-post the replies to the forteana (and possibly other) mailing list(s).
Either broadcast to the list or privately to me is fine.

Terry W. Colvin <colvint@cc.ims.disa.mil>       Voice: [520]538-5392
U.S. Message Text Formatting (USMTF) Program      FAX: [520]538-5435
Air Tasking Orders [Desert Storm I]               DSN: 879-5392
Fort Huachuca (Cochise County), Arizona USA
"No editor ever likes the way a story tastes unless he pees
in it first." -Mark Twain

______________________________ Forward Header __________________________________
Subject: Re: Re[2]: Dinosaur Extinction Theories
Author:  forteana@PrimeNet.Com at smtp
Date:    10/7/1995 4:45 PM

> a mass extinction numbering the fifth of 
> known mass extinctions.

I'd like to know what the other four were. Is there a "top ten" you can post, 
Terry? With theorised / factorial causes and dates?