New Zealand Journal of Geology and Geophysics abstracts

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Age of Jackson Formation proves late Cenozoic allochthony in South Westland, New Zealand

RUPERT SUTHERLAND
C. J. HOLLIS
SIMON NATHAN
C. P. STRONG
G. J. WILSON

Institute of Geological & Nuclear Sciences
P.O. Box 30 368
Lower Hutt, New Zealand

Abstract  Analysis of radiolarians, foraminifera, dinoflagellates, and pollen from Jackson Formation, South Westland, yields Middle Eocene to Late Oligocene ages. The samples analysed are older than underlying Tititira Formation (middle Miocene) and thus provide firm evidence that Jackson Formation is allochthonous. Jackson Formation sediments are age correlative with Abbey Formation and Awarua Limestone found nearby in South Westland.

Keywords  South Westland; tectonics; Radiolaria; foraminifera; dinoflagellates; pollen; dating; Eocene; Oligocene; Miocene; Cenozoic; stratigraphy; Jackson Formation; Tititira Formation; Abbey Formation; Awarua Limestone

New Zealand Journal of Geology and Geophysics, 1996, Vol. 39: 559-563

0028-8306/96/3904-0559 $2.50/0 (c) The Royal Society of New Zealand 1996

PDF file of entire paper: medium quality (512K); (scanned from paper original: notes about this process)

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