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Radiolarian Assemblages in the North Pacific and Their Application to a Study of Quaternary Sediments in Core V20-130

By
Catherine Nigrini
Catherine Nigrini
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Published:
January 01, 1970

Distributions of 37 species of Radiolaria are determined from 83 samples of Holocene North Pacific sediments. Recurrent group analysis of these distributions allows recognition of six assemblages which reflect present-day surface water circulation and distribution of upper water masses. Relative abundances of “cold,” transitional, and “warm” water recurrent groups in Pleistocene core V20-130 (35° 59’ N., 152° 36’ E.) determine a radiolarian temperature curve which is similar to a previously determined diatom temperature curve. Two temperature maxima and three temperature minima are recognized in the core. One new species is described.

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GSA Memoirs

Geological Investigations of the North Pacific

James D. Hays
James D. Hays
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Geological Society of America
Volume
126
ISBN print:
9780813711263
Publication date:
January 01, 1970

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