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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: Taro who wrote (391372)	6/16/2008 3:57:40 PM
From: combjelly	Respond to of 1577147

"Which should lead to the subconscious conclusion that they succumbed to CO2 poisoning or got toasted - or both. Right??" Way too low for CO2 poisoning. Got toasted? Well, you have to consider that most of the continents we know had consolidated into two supercontinents. So the moderating effect of the oceans weren't effective across most of the landmass. That meant much higher highs and lower lows than one might expect with an average of 22 degrees. Considering that the Outback, to take a modern example, regularly hits 45 when we have an average of 14, when they had an average of 24 or so they probably saw 60+. That is sort of toasty, doncha think? Given the geological record, it looks like the oceans went oxygen deficit at that time. Likely cause would be ocean transports had shut down due to the temperature. But, even if they hadn't, the lack of oxygen would have had a deleterious effect on ocean life.