New Zealand Journal of Botany abstracts

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Radiocarbon dates from Late Quaternary deposits in the Cass District, Canterbury, New Zealand

C. J. BURROWS

Department of Botany, University of Canterbury
Private Bag, Christchurch, New Zealand

AbstractRadiocarbon dates from the Cass district provide estimates for: the end of the Otira Glaciation (a minimum age of 13 750 + 200 yr B.P.); aggradation episodes (about 7550 + 150 yr B.P. and about 2730 ± 60 yr B.P.); fires (about 2730 + 60 yr B.P. and 531 + 57 yr B.P.); existence of, or change in, prevailing vegetation (especially 13 750 + 200 yr B.P. for early Aranuian grassland; 6620 + 100 yr B.P. for the transition from mixed Phyllocladus and podocarp forest dominance to Nothofagus forest dominance; 531 + 57 yr B.P. for widespread forest destruction by fire); and gross mire sedimentation rates in Kettlehole Bog and Remus Swamp.

KeywordsCass district, New Zealand; Late Quaternary; Otira Glaciation; Aranui Interglacial; radiocarbon dating; aggradation; buried soils; fire; vegetation change; mire sedimentation rates

Received 25 January 1983; revision 23 June 1983
New Zealand Journal of Botany, 1983, Vol. 21: 443-454
0028-825X/83/2104-0443$2.50/0 © Crown copyright 1983

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