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The pelagic clay province of the North Pacific Ocean

By
Margaret Leinen
Margaret Leinen
Graduate School of Oceanography, University of Rhode Island, Narragansett, Rhode Island 02874-1197
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Published:
January 01, 1989

Much of the abyssal North Pacific is blanketed by very slowly accumulating, fine-grained pelagic clay that is dominantly eolian in origin (Fig. 1). The clays are unfossiliferous, except for microscopic fish debris, and are enriched in hydrogenous sedimentary components such as manganese nodules and zeolites (Goldberg and Arrhenius, 1958; El Wakeel and Riley, 1961; Horn and others, 1970). The general character of the pelagic clay province has been known since the Challenger Expedition of 1872 to 1876 (Tizzard and others, 1885) when it was first sampled. Subsequent studies have shown that the region extends across the deep eastern and central North Pacific basin and that a second area of pelagic clay deposition in the western North Pacificlies west of the Hawaiian and Emperor Seamount chains. Because the two regions form a single sedimentary province controlled by similar sedimentary processes, the entire region will be considered in this review.

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DNAG, Geology of North America

The Eastern Pacific Ocean and Hawaii

E. L. Winterer
E. L. Winterer
Scripps Institution of Oceanography La Jolla, California 92093
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Donald M. Hussong
Donald M. Hussong
University of Hawaii Department of Geology and Geophysics Honolulu, Hawaii 96822
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Robert W. Decker
Robert W. Decker
4087 Silver Bar Road Mariposa, California 95338
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Geological Society of America
Volume
N
ISBN electronic:
9780813754659
Publication date:
January 01, 1989

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