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Late Quaternary Stratigraphy for the Equatorial Pacific Based upon the Diatom Coscinodiscus nodulifer
Lloyd H. Burckle, Nicholas J. Shackleton and Sandra L. Bromble
Vol. 27, No. 4 (1981), pp. 352-355
Published by: The Micropaleontology Project., Inc.
Stable URL: http://www.jstor.org/stable/1485190
Page Count: 4
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Stratigraphy based upon size change in the diatom Coscinodiscus nodulifer A. Schmidt is presented for Late Quaternary sediments of the equatorial Pacific. The size difference is expressed as a simple ratio of <60/>60 μm. Correlation with oxygen isotope curves in the same sediment cores demonstrates that highest ratio values (maximum small forms) occur in Oxygen Isotope Stage 2 (18,000 yr B.P.), while the lowest ratio values (maximum large forms) occur in Oxygen Isotope Sub-stage 5e (125,000 yr B.P.). The use of this stratigraphy will permit us to greatly extend our data base for 18K and 125K age sediments.
Micropaleontology © 1981 The Micropaleontology Project., Inc.