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A revised stratigraphy for the precambrian in North-West Tasmania
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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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.
|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|
|Additional Information:||Copyright Royal Society of Tasmania|
|Date Deposited:||29 May 2012 01:14|
|Last Modified:||18 Nov 2014 04:37|
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