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Index to Creationist Claims,  edited by Mark Isaak,    Copyright © 2004
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Claim CD221.1:

Known processes to remove sodium from the oceans account for only 27 percent of the sodium that is added. Given the accumulation of sodium this implies, the oceans could not be more than 62 million years old.


Austin, S. A. and D. R. Humphreys, 1990. The sea's missing salt: A dilemma for evolutionists. Proceedings of the Second International Conference on Creationism, Pittsburgh, 2: 17-33.


  1. Austin and Humphreys greatly underestimate the amount of sodium lost in the alteration of basalt. They omit sodium lost in the formation of diatomaceous earth, and they omit numerous others mechanisms which are minor individually but collectively account for a significant fraction of salt.

    A detailed analysis of sodium shows that 35.6 x 1010 kg/yr come into the ocean, and 38.1 x 1010 kg/yr are removed (Morton 1996). Within measurement error, the amount of sodium added matches the amount removed.


  1. Morton, Glenn R., 1996. Salt in the sea.

Further Reading:

Burton, J. D. and D. Wright, 1981. Sea water and its evolution. In: The Evolving Earth, ed. L. R. M. Cocks. London: British Museum, 89-101.
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created 2004-12-20