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Miocene and Pliocene sediments dredged from the sea-floor off St Helens, northeastern Tasmania

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Quilty, PG (1985) Miocene and Pliocene sediments dredged from the sea-floor off St Helens, northeastern Tasmania. Papers and Proceedings of the Royal Society of Tasmania, 119. pp. 93-101. ISSN 0080-4703

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Abstract

Calcarenites dredged from 807 and 960m, 50km southeast of St Helens, Tasmania, have yielded Early Miocene and mid-Pliocene foraminiferid faunas. The Miocene fauna is a deeper water continental shelf type of the same age (N4j 5) as other sediments well known from the northern coast of Tasmania. It contains a higher percentage of planktic forms than known in coeval sediments elsewhere in Tasmania. The mid-Pliocene (approximately N20) including a significant planktic component, is the first such fauna documented from Tasmania.

Item Type: Article
Keywords: Royal Society of Tasmania, RST, Van Diemens Land, natural history, science, ecology, taxonomy, botany, zoology, geology, geography, papers & proceedings, Australia, UTAS Library
Journal or Publication Title: Papers and Proceedings of the Royal Society of Tasmania
Page Range: pp. 93-101
ISSN: 0080-4703
Additional Information: Copyright Royal Society of Tasmania
Date Deposited: 25 May 2012 01:34
Last Modified: 18 Nov 2014 04:35
URI: http://eprints.utas.edu.au/id/eprint/14008
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