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Late Mesozoic strike-slip faulting in Tasmania

Citation

Berry, RF, Late Mesozoic strike-slip faulting in Tasmania, Australian Journal of Earth Sciences, 62, (3) pp. 331-339. ISSN 0812-0099 (2015) [Refereed Article]

Copyright Statement

Copyright 2015 Geological Society of Australia

DOI: doi:10.1080/08120099.2015.1025837

Abstract

Jurassic dolerite is well exposed in fresh cuttings and quarries throughout Tasmania, and fault striations were found in a high proportion of these exposures in the south and west of the state. These fault striation provide a record of late Mesozoic faulting dominated by dextral west-northwest–east-southeast-striking faults and sinistral north–south-striking faults. This fault association indicates compression from the NNW. Indirect evidence suggests these structures formed during the Cenomanian (ca 95 Ma) inversion in the Otway and Bass basins, and are probably part of the crustal shortening that formed the Transantarctic Mountains.

Item Details

Item Type:Refereed Article
Keywords:fault striation, Tasmania, Tasmania dolerite, Cretaceous, strike-slip
Research Division:Earth Sciences
Research Group:Geology
Research Field:Structural Geology
Objective Division:Expanding Knowledge
Objective Group:Expanding Knowledge
Objective Field:Expanding Knowledge in the Earth Sciences
Author:Berry, RF (Associate Professor Ron Berry)
ID Code:105863
Year Published:2015
Deposited By:Earth Sciences
Deposited On:2016-01-18
Last Modified:2016-08-05
Downloads:0

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