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Palaeozoic Rocks of the Davey River, South-West Tasmania

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Bowen, EA and Maclean, CJ (1971) Palaeozoic Rocks of the Davey River, South-West Tasmania. Papers and Proceedings of the Royal Society of Tasmania, 105. pp. 21-28. ISSN 0080-4703

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Abstract

A conformable succession in Palaeozoic rocks occurs
at the Davey River at the southern end of the Olga-Hardwood
syncline in S.W. Tasmania, and consists of
the following formations (with approximate thicknesses):
(top) Unit 6
Unit 5
Unit 4
Sandstone
Shale
Sandstone, minor shale,
Unit 3 Shale-sandstone alternation
Unit 2 Pebbly sandstone
(bottom)
10 metres
15 metres
conglornerate
75 metres
0.,500 metres
0-.500 metres
Unit Quartzite conglomerate 0-800 metres
Formations 1, 2 and 3 are equivalent, on lithological
and structural grounds, to the Bathurst
Harbour Sequence of Jennings (1961). Unit 4 has lithological
and faunal similarities with the Caroline
Creek Sandstone of the West Coast Ordovician
succession (Banks 1962b). Equivalents of the Florentine
Valley Mudstone and Gordon Limestone are pwhably
also present in the centre of the syncline,
If these correlations arc correct the Davey River
succession provides a link between the Bathnrst Harbour
and West Coast successions, with the Long Bay Shale
representing a marine formation which is present in the
South-west but apparently absent on the West Coast.

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. 21-28
ISSN: 0080-4703
Collections: Royal Society Collection > Papers & Proceedings of the Royal Society of Tasmania
Additional Information:

Copyright Royal Society of Tasmania

Date Deposited: 18 May 2012 02:36
Last Modified: 18 Nov 2014 04:32
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