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The Extent of Upper Mesozoic Igneous Activity in relation to Lamprophyric Intrusions in Tasmania

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Sutherland, FL and Corbett, EB (1973) The Extent of Upper Mesozoic Igneous Activity in relation to Lamprophyric Intrusions in Tasmania. Papers and Proceedings of the Royal Society of Tasmania, 107. pp. 175-190. ISSN 0080-4703

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Abstract

Recent mapping and petrological work, associated with some dating, demonstrates a wider range of Upper Mesozoic intrusives and post-lower Devonian Lamprophyres than Previously recognized in Tasmania. Their distribution suggests significant igneous activity across the State, but knowledge of its full extent is dependent on detailed Separation of some lamprophyres from those of older igneous episodes. All the rocks, so far assigned to the Upper Mesozoic magmatic episode in Tasmania, are potassic in nature with shoshonitic affinities. They form the southern extension of similar magmatism around Bass Strait and in eastern Australia.

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. 175-190
ISSN: 0080-4703
Additional Information: Copyright Royal Society of Tasmania
Date Deposited: 22 May 2012 03:54
Last Modified: 18 Nov 2014 04:33
URI: http://eprints.utas.edu.au/id/eprint/13647
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