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From: mcewan@uiucdcs.UUCP
Newsgroups: net.misc
Subject: Re: Earth's Internal Temperature - (nf)
Message-ID: <10600156@uiucdcs.UUCP>
Date: Tue, 10-Apr-84 16:56:00 EST
Article-I.D.: uiucdcs.10600156
Posted: Tue Apr 10 16:56:00 1984
Date-Received: Thu, 12-Apr-84 05:08:06 EST
References: <274@inuxa.UUCP>
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Nf-ID: #R:inuxa:-27400:uiucdcs:10600156:000:853
Nf-From: uiucdcs!mcewan    Apr 10 15:56:00 1984

#R:inuxa:-27400:uiucdcs:10600156:000:853
uiucdcs!mcewan    Apr 10 15:56:00 1984

>rmrin@inuxa.UUCP (D Rickert) states:
>> Ongoing decay of trapped radioactive matter is responsible for most
>> of the heat which shows up in places like Yellowstone and Hawaii.
>
>Nonsense.  NPR's Morning Edition (dated 4/4) had a sequence about the
>recent volcanic activity in Hawaii.  A geologist they interviewed clearly
>stated that both the Hawaiian Island chain and Yellowstone were good
>examples of mid-tectonic-plate upwellings of magma.  NO radioactive matter
>of any sort was involved.
>
>	-andy kegel

You misunderstood Rickert's note. He said that radioactive decay creates
the heat that keeps magma molten. The mid-tectonic-plate upwelling discribes
how the magma got to Hawaii.

			The opinions expressed are my own and not
			necessarily those of any sane person.

			Scott McEwan
			pur-ee!uiucdcs!mcewan

	"Hitler was an idealist.""