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Science 1 July 1977:
Vol. 197. no. 4298, pp. 53 - 55
DOI: 10.1126/science.197.4298.53
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Articles

Estimates of Cenozoic Oceanic Sedimentation Rates

THOMAS A. DAVIES 1, WILLIAM W. HAY 2, JOHN R. SOUTHAM 2, and THOMAS R. WORSLEY 3

1 Department of Geology, Middlebury College, Middlebury, Vermont 05753
2 Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, Florida 33149
3 Department of Oceanography, University of Washington, Seattle 98105

Estimation of average Cenozoic sedimentation rates for the Atlantic, Indian, and Pacific oceans indicates global synchronous fluctuations. Paleocene-early Eocene and late Eocene-early Miocene rates are only a fraction of middle Eocene and middle Miocene-Recent rates. These changes must reflect significantly different modes of continental weathering, which may be due to alternate states of atmospheric circulation marked by reduction of global precipitation.

Submitted on December 21, 1976
Revised on March 4, 1977


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