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Re: 250 Ma volcanic eruption



>From: Tero Sand <cust_ts@cc.helsinki.fi>
 > Sounds unlikely to me. Aren't flood basalt volcanisms the result of huge
 > upwellings from the mantle  - i.e. hotspots on stereoids?

That certainly seems to be the current consensus.

 >  How can an
 > impact trigger one? Besides, Chixculub (sp?) isn't anywhere near India,
 > wasn't even 65 Ma I think.
 > 

It has been *suggested* that the impact was antipodal.  However,
even then the timing was off, since the trap eruptions started
well before the impact (in the preceding Normal polarity interval).

swf@elsegundoca.attgis.com              sarima@netcom.com

The peace of God be with you.