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

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posted on 2023-11-02, 05:37 authored by PG Quilty
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.

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Publication title

Papers & Proceedings of the Royal Society of Tasmania

Volume

119

Pagination

93-101

ISSN

0080-4703

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Copyright Royal Society of Tasmania.

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