New Zealand Journal of Geology and Geophysics abstracts
Neogene stratigraphic architecture and tectonic evolution of
Wanganui, King Country, and eastern Taranaki Basins, New Zealand
Peter J. J. Kamp1
Adam J. Vonk1
Kyle J. Bland1
Rochelle J. Hansen1
Austin J. W. Hendy1,2
Avon P. McIntyre1,3
Melodie Ngatai1
Stuart J. Cartwright1
Shaun Hayton1,4
Campbell S. Nelson1
1 Department
of Earth Sciences
The University
of Waikato
Private Bag 3105
Hamilton 2001,
New Zealand
2 Department
of Geology
University of
Cincinnati
Cincinnati, OH
45221-0013, USA
3 Geoscience
Australia
GPO Box 378
ACT 2601,
Australia
4 CRL
Energy Ltd
P.O. Box
29 415
Christchurch,
New Zealand
Abstract Analysis of the stratigraphic
architecture of the fills of Wanganui, King Country, and eastern
Taranaki Basins reveals the occurrence of five 2nd order Late Paleocene
and Neogene sequences of tectonic origin. The oldest is the late
Eocene–Oligocene Te Kuiti Sequence, followed by the early-early Miocene
(Otaian) Mahoenui Sequence, followed by the late-early Miocene
(Altonian) Mokau Sequence, all three in King Country Basin. The
fourth is the middle Miocene to early Pliocene Whangamomona Sequence,
and the fifth is the middle Pliocene–Pleistocene Rangitikei Sequence,
both represented in the three basins. Higher order sequences (4th, 5th,
6th) with a eustatic origin occur particularly within the Whangamomona
and Rangitikei Sequences, particularly those of 6th order with
41 000 yr periodicity.
Keywords North Island; Wanganui Basin; King
Country Basin; Taranaki Basin; Taranaki Fault; Pungapunga Formation;
Whangamomona Group; Rangitikei Supergroup; sequence stratigraphy;
tectonics; new structural names; new stratigraphic names
G03057; Received 4 July 2003; accepted 30 January 2004; Online
publication date 1 December 2004
New Zealand Journal of Geology & Geophysics, 2004, Vol. 47:
625–644
0028–8306/04/4704–0625© The Royal Society of New Zealand 2004
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