Tour LB1, 7th International Palynological Conference, Brisbane, Australia, August 1988 : New Zealand palynology and paleobotany : a field guide to palynological and paleobotanical localities

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Pocknall, D.T.; Tremain, R. 1988 Tour LB1, 7th International Palynological Conference, Brisbane, Australia, August 1988 : New Zealand palynology and paleobotany : a field guide to palynological and paleobotanical localities. Lower Hutt: New Zealand Geological Survey. Record / New Zealand Geological Survey 33 107 p.

Abstract: An illustrated field guide to several New Zealand palynological and paleobotanical localities is provided. Extant Agathis australis (kauri) forest is seen at Waipoua Forest, Northland, and podocarp/hardwood forest at Lake Wilkie, Otago. Quaternary sites visited include Chases Gorge, Northland, where kauri macrofossils (leaves, wood, gum) are exposed in Early to Middle Pleistocene Kaihu Group strata, and the Rotorua region where the stratigraphic succession of tephras is examined. Miocene sediments are seen at Kaikorai, south of Dunedin where macrofossils of Late Miocene age (particularly Nothofagus) are collected; Bannockburn and Roxburgh, Central Otago, where the Manuherikia Group of Early to Middle Miocene age contains Casuarina cones and leaf fossils; and at Rifle Butts and Bluecliffs, North Otago, where the Lower Miocene Rifle Butts Formation and Bluecliffs Siltstone are examined. Late Oligocene coal-bearing strata are seen at Mataura (Gore Lignite Measures) and Pomahaka (Waikoiko Formation), Southland. Eocene strata in Otago and North Otago are seen at Oamaru (Oamaru Diatomite), Abbotsford (Abbotsford Mudstone-Lower Eocene), and Kakahu (leaf-bearing clay pits of Paleocene to Middle Eocene age), and the Eocene/Oligocene boundary section at the Kakanui River Mouth, south of Oamaru is visited. The Cretaceous/Tertiary boundary in the Waipara area north of Christchurch, and Late Cretaceous red beds (Henley Breccia) and the coal measures (Shag Point Group) are exposed south and north of Dunedin, respectively. Macrofossils, particularly Cladophlebis and Taeniopteris, of Late Jurassic age are found in the Huriwai Measures at Port Waikato, and the Middle Jurassic petrified forest is visited at Curio Bay on the south coast of Southland. Macrofossil-bearing Middle to Upper Triassic Murihiku and Torlesse Supergroups ar seen at Roaring Bay and Benmore Dam, respectively. (auth.)

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