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Re: 250 Ma volcanic eruption
>From: Tero Sand <firstname.lastname@example.org>
> 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).
The peace of God be with you.