Granulometry of surface sediments from the Panama Basin (Table 2, 3), supplement to: Thiede, Jörn (1977): Textural variations of calcareous coarse fractions in the Panama Basin (Eastern Equatorial Pacific Ocean). In: Andersen, N.R. & Malahoff, A. (eds.): The fate of fossil fuel CO2 in the Oceans. Plenum Publishing Corporation, New York, 673-692

Jörn Thiede
Panama Basin sediment surface coarse fractions are dominantly composed of planktonic foraminiferal remains. Textural studies of these coarse fractions by means of a large diameter settling tube system reveal characteristics grain size spectra with important modes at 2.0-2.25 phi, 2.3-2.45 phi, 2.5-2.75 phi, 3.0-33 phi, and 3.4-3.75 phi. The coarser modes consist of large Globoquadrina dutertrei and Globorotalia menardii shells, the finer ones of small planktonic foraminiferal species and of shell fragments of the larger...
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