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An unusual occurrence of ultramafic and mafic rocks north of Mt Bischoff, Tasmania

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Williams, PR and Brown, AV (1983) An unusual occurrence of ultramafic and mafic rocks north of Mt Bischoff, Tasmania. Papers and Proceedings of the Royal Society of Tasmania, 117. pp. 53-58. ISSN 0080-4703

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Abstract

Plagioclase-bearing harzburgite, plagioclase lherzolite, basalt and dolerite intrude a sequence of mudstone, greywacke, pillowed basalt and chert in the Arthur River valley north of Mt Bischoff. The ultramafic rocks are concordant bodies characterised by absence of internal deformation structures, abundant primary mineral assemblages and cumulate textures. The ultramafics were most probably intruded as magma. Fine- to coarse-grained dolerite were intruded in the same zone, probably as dykes.

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. 53-58
ISSN: 0080-4703
Additional Information: Copyright Royal Society of Tasmania
Date Deposited: 25 May 2012 03:55
Last Modified: 18 Nov 2014 04:35
URI: http://eprints.utas.edu.au/id/eprint/14040
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