Pollen diagram of a Middle Pleistocene section near Whitby, Pauatahanui, Porirua, New Zealand

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Mildenhall, D.C. 1983 Pollen diagram of a Middle Pleistocene section near Whitby, Pauatahanui, Porirua, New Zealand. Lower Hutt: New Zealand Geological Survey. New Zealand Geological Survey report PAL 68. 13 p.

Abstract : Pollen analyses of a middle Pleistocene section containing a conspicuous tephra horizon, thought to be about 650,000 years BP, indicates bleak climatic conditions at sea level during Okehuan time. The spore-pollen assemblages are dominated at the base by poorly preserved small unidentified tricolporate-tricolpate grains, then by Phyllocladus (?alpinus) and finally by a Gramineae-Compositae (Tubuliflorae) palynoflora. The presence of dinoflagellates suggests deposition at or just above sea level