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A revised stratigraphy for the precambrian in North-West Tasmania

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Gee, RD (1968) A revised stratigraphy for the precambrian in North-West Tasmania. Papers and Proceedings of the Royal Society of Tasmania, 102. pp. 7-10. ISSN 0080-4703

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Abstract

Within the Proterozoic rocks of the Rocky Cape Geanticline in north-west Tasmania, three contrasting sedimentary assemblages are recognised. The Rocky Cape Group, which has been previously used very broadly, is redefined to include only one of these assemblages. The revised definition includes the orthoquartzite, siltstone and shale which form a continuous sequence in the Rocky Cape area. Some new formations are defined. The Smithton Dolomite, and related rocks, unconformably overlie the Rocky Cape Group to the west at Black River. The Burnie Formation is a thick sequence flanking the Rocky Cape Group to the east. The Rocky Cape Group and the Burnie Formation are separated by the Keith Metamorphics, which is a belt of low grade regional metamorphic greenschist, amphibolite and pelitic schist.

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. 7-10
ISSN: 0080-4703
Additional Information: Copyright Royal Society of Tasmania
Date Deposited: 29 May 2012 01:14
Last Modified: 18 Nov 2014 04:37
URI: http://eprints.utas.edu.au/id/eprint/14239
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