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The Extent of Upper Mesozoic Igneous Activity in relation to Lamprophyric Intrusions in Tasmania
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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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.
|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|
|Collections:||Royal Society Collection > Papers & Proceedings of the Royal Society of Tasmania|
Copyright Royal Society of Tasmania
|Date Deposited:||22 May 2012 03:54|
|Last Modified:||18 Nov 2014 04:33|
|Item Statistics:||View statistics for this item|
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