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Kirkpatrick, JB (2007) The Northeast. In: Endangered: Tasmania's wild places. Penguin Group (Australia), Camberwell, Victoria, p. 52. ISBN 978 0 67 002960 0

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Abstract

Most of the higher mountains of northern and eastern Tasmania are remnants of a massive intrusion of molten magma between beds of sedimentary rocks that occurred around the time when dinosaurs roamed and the present island was part of the supercontinent of Gondwana. The softer sediments above this now-hard dolerite sill have been eroded, leaving plateaux with spectacular escarpments, like the Great Western Tiers. Dolerite occurs almost nowhere else in Australia, but can be found on other parts of Gondwana that drifted in different directions, such as India and Antarctica.

Item Type: Book Section
Publisher: Penguin Group (Australia)
Page Range: p. 52
Additional Information:

Text copyright © 2007 the Author

Date Deposited: 07 Apr 2008 15:32
Last Modified: 18 Nov 2014 03:37
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