Re: extinction

[stssram@st.unocal.com (Bob Myers)]

On Apr 27, 15:25, richard g. adair wrote:
} Subject: Re: extinction
> > 
> > Similar flood basalts (layers of laval sheets) are found in Idaho
> > (Craters of the Moon Park), Siberia, Antartica, and a few other
> > places.
> 
> Much of Eastern Washington and some of N. Oregon comprise notable
> flood basalts as well, a much greater volume of rock than any of the
> others you mentioned, expect for the Deccan Traps. The Columbia River 
> cuts through these basalts along most of its American course.  

I assumed that the "Idaho" reference was the Columbia flood basalts.
Are you saying they are different events?


> Iceland appears to be a spreading center 'filtered'
> through continental crust.  

What does this mean?  How can continental crust maintain itself at a
spreading center? It ought to be rafted away within a few million years. It
sounds like you are describing East Africa (the Rift Valley), not Iceland.
Would you care to elaborate?





-- 
Bob Myers                               Unocal Energy Resources Division
Internet: Bob.Myers@st.unocal.com       P. O. Box 68076
Phone: [714] 693-6951                   Anaheim, California  92817-8076