Secondary Calcification of the Planktonic Foraminifer Neogloboquadrina pachyderma as a Climatic Index

Oscillations in the ratio of two principal types of secondary calcification of the test surface in Neogloboquadrina pachyderma populations closely parallel paleoclimatic oscillations over the last 6 million years in a deep-sea core drilled in the temperate South Pacific. The nature of secondary calc...

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Bibliographic Details
Published in:Science
Main Authors: Srinivasan, M. S., Kennett, J. P.
Format: Article in Journal/Newspaper
Language:English
Published: American Association for the Advancement of Science (AAAS) 1974
Subjects:
Pacific
Neogloboquadrina pachyderma
Planktonic foraminifera
Online Access:http://dx.doi.org/10.1126/science.186.4164.630
https://www.science.org/doi/pdf/10.1126/science.186.4164.630
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Summary:Oscillations in the ratio of two principal types of secondary calcification of the test surface in Neogloboquadrina pachyderma populations closely parallel paleoclimatic oscillations over the last 6 million years in a deep-sea core drilled in the temperate South Pacific. The nature of secondary calcification in fossil planktonic foraminifera represents a useful index in interpreting Cenozoic climates.

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