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

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, vol. 119 , pp. 93-101 , doi: https://doi.org/10.26749/rstpp.119.93.

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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
Authors/Creators:Quilty, PG
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
ISSN: 0080-4703
DOI / ID Number: https://doi.org/10.26749/rstpp.119.93
Collections: Royal Society Collection > Papers & Proceedings of the Royal Society of Tasmania
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