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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|
|Collections:||Royal Society Collection > Papers & Proceedings of the Royal Society of Tasmania|
Copyright Royal Society of Tasmania
|Date Deposited:||29 May 2012 01:14|
|Last Modified:||18 Nov 2014 04:37|
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