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Index to Creationist Claims,  edited by Mark Isaak,    Copyright © 2004
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Claim CD502:

Volcanoes are adding material to the crust too rapidly for an earth as old as is claimed. At present rates, volcanoes could have formed the entire crust in 500 million years.


Morris, Henry M., 1974. Scientific Creationism, Green Forest, AR: Master Books, p. 155-157.


  1. Volcanic material gets eroded, too. Some also gets subducted.

  2. The rate at which igneous rocks are being produced today does not necessarily reflect the rate at which they were produced in the past.

  3. The reasoning behind this claim directly contradicts the reasoning behind the claim that mountains erode too quickly for an old earth.


Matson, Dave E., 1994. How good are those young-earth arguments?
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created 2003-4-22