Abstract
DURING 1959–65, five major New Zealand Oceanographic Institute cruises were completed, under the NZ Antarctic programme, in the subantarctic region south of New Zealand. Bathymetric data from these and other cruises dating back to 1950 have made it possible to define the morphology with reasonable accuracy over a 500,000 square mile area, between latitudes 48° and 57° S. and longitudes 157° and 180° E., the chief elements of which are Macquarie Ridge and the Campbell Plateau (Fig. 1). Fifty-two bedrock samples obtained on New Zealand Oceanographic Institute cruises add substantially to the previously limited geological data from this region, earlier obtainable only from the subantarctic islands sited on the ridge and plateau.
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SUMMERHAYES, C. New Zealand Region Volcanism and Structure. Nature 215, 610–611 (1967). https://doi.org/10.1038/215610a0
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DOI: https://doi.org/10.1038/215610a0
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