Quaternary neotectonism and intra-plate volcanism: the Coorong to Mount Gambier Coastal Plain, southeastern Australia: a review
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1999
Authors
Murray Wallace, C.V.
Belperio, A.P.
Cann, J.H.
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Journal article
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Geological Society Special Publication, 1999; 146(1):255-267
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This paper is included in the Special Publication entitled 'Coastal tectonics', edited by I. Stewart and C. Vita-Finzi. The Coorong to Mount Gambier Coastal Plain in southeastern South Australia preserves a lengthy record of Quaternary temperate carbonate sedimentation in the form of high wave energy barrier shoreline deposits and associated back-barrier lagoon facies. The barriers occur sub-parallel to the modern coastline and to each other and increase in age landwards. The age of the barriers is now generally well established within a framework of radiocarbon, thermoluminescence, uranium-series disequilibrium, amino acid racemization dating and the position of the Brunhes-Matuyama boundary between the East and West Naracoorte Ranges. This framework is in accord with the deep-sea δ¹⁸O record of global ice volume change and the inferred timing of sea-level highstands for this interval. Individual barriers such as the interglacial Woakwine Range (oxygen-isotope substage 5e) may be traced laterally for distances up to 300 km and record a history of neotectonism in the form of regionally varying epeirogenic uplift associated with Quaternary volcanism.
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Copyright 1999 Geological Society Publishing House