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Science 28 August 1981:
Vol. 213. no. 4511, pp. 1005 - 1007
DOI: 10.1126/science.213.4511.1005
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Articles

Trace Water Content of Salt in Louisiana Salt Domes

L. PAUL KNAUTH 1 and MADHURENDU B. KUMAR 2

1 Department of Geology, Arizona State University, Tempe 85281
2 Institute for Environmental Studies, Louisiana State University, Baton Rouge 70803

The trace water content of salt in six Louisiana salt domes has been determined and has been found to be the lowest of any terrestrial rock type. The average water content of normal domal salt is on the order of 0.003 percent by weight, but anomalous zones within salt stocks can have more than ten times this amount. From the average value, the minimum amount of water in liters, W, available to collect around a radioactive waste repository is given as W = 0.28 r3, where r is the radius in meters of the sphere in which water may be thermally activated to migrate completely to the repository.

Submitted on January 30, 1981
Revised on April 22, 1981

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Science. ISSN 0036-8075 (print), 1095-9203 (online)