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Metamorphic Waters from the Pacific Tectonic Belt of the West Coast of the United States

Science22 May 1970Vol 168, Issue 3934pp. 973-975DOI: 10.1126/science.168.3934.973

Abstract

Waters unusually rich in ammonia, boron, carbon dioxide, hydrogen sulfide, and hydrocarbons are found in more than 100 localities along the Pacific coast of the United States. The waters are believed to be products of low-grade metamorphism of marine sediments. The marine sedimentary rocks would have to be tectonically emplaced below crystalline rocks in many places. Mercury ore deposits are probably also products of the low-grade metamorphism.

References

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MUFFLER, LJP, ACITVE METAMORPHISM OF UPPER CENOZOIC SEDIMENTS IN SALTON SEA GEOTHERMAL FIELD AND SALTON TROUGH SOUTHEASTERN CALIFORNIA, GEOLOGICAL SOCIETY OF AMERICA BULLETIN 80: 157 (1969).
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Science
Volume 168 | Issue 3934
22 May 1970

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Published in print: 22 May 1970

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Ivan Barnes
U.S. Geological Survey, Menlo Park, California 94025

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