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Re: 250 Ma volcanic eruption

<<Ah!But the Deccan Plateau was roughly situated at the antipode of Cicxulub
~65Ma! Concentration of shock waves generated by the impact was significant
enough (according  the Sandia people) to have disrupted the crust causing
flood  volcanism to occur.>>

What about the flood-basalts of the Columbia basin (eastern Washington and
Oregon)?  Is there any evidence of an impact on the other side of the planet
from that (yes I know it's probably in the middle of the ocean, but it wasn't
that long ago)?

Peter Buchholz

-Boycot Taco Bell's "Texas Tacos" and "Border Light" menu items.
-Suport the abolition of the $1.00 bill in the United States in favor of a 
 $2.00 bill and $1.00 coin.