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Politics : Sioux Nation -- Ignore unavailable to you. Want to Upgrade?


To: Wharf Rat who wrote (108642)6/26/2007 8:07:49 AM
From: T L Comiskey  Respond to of 361363
 
re
the second
a cloud of CO2 vapor
at a less elevated temperature,

this second cloud...
screwed the atmosphere..
at least as far as life forms were considered

news.bbc.co.uk

"the sudden vaporisation of between 6,400 and 13,000 billion tonnes of carbon - a substantial component of the limestone rocks that lined the shallow sea that existed at Chicxulub 65 million years ago.

Such an injection of CO2 into the atmosphere could have created blistering heatwave, raising global temperatures by as much as 7.5 Celsius. "



To: Wharf Rat who wrote (108642)6/26/2007 10:14:27 AM
From: T L Comiskey  Respond to of 361363
 
Craters...in the news

news.bbc.co.uk