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Re: Mega eruption may have wiped out [Cambrian] life
<<How does this fit in terms of time to the theory that the Siberian basalt
flood eruption caused the end Permian extinction?>>
It doesn't, seeing as it's completely irrelevant.
<<Were the two events close together in time?>>
No. 500+ million years and 250 million years are approximately 250+ million
<<It does look like two events caused the end-Cretaceous extinction.>>