Development of the Circum-Antarctic Current

Deep-sea drilling in the Southern Ocean south of Australia and New Zealand shows that the Circum-Antarctic Current developed about 30 million years ago in the middle to late Oligocene when final separation occurred between Antarctica and the continental South Tasman Rise. Australia had commenced dri...

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Bibliographic Details
Published in:Science
Main Authors: Kennett, J. P., Houtz, R. E., Andrews, P. B., Edwards, A. R., Gostin, V. A., Hajos, M., Hampton, M. A., Jenkins, D. G., Margolis, S. V., Ovenshine, A. T., Perch-Nielsen, K.
Format: Article in Journal/Newspaper
Language:English
Published: American Association for the Advancement of Science (AAAS) 1974
Subjects:
Antarctic
New Zealand
South Tasman Rise
Southern Ocean
Antarc*
Antarctica
Online Access:http://dx.doi.org/10.1126/science.186.4159.144
https://www.science.org/doi/pdf/10.1126/science.186.4159.144
Description
Summary:Deep-sea drilling in the Southern Ocean south of Australia and New Zealand shows that the Circum-Antarctic Current developed about 30 million years ago in the middle to late Oligocene when final separation occurred between Antarctica and the continental South Tasman Rise. Australia had commenced drifting northward from Antarctica 20 million years before this.

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