The age and contemporary environments of Tower Volcano, Southwest Victoria, Australia
Sherwood, John, Oyston, B. and Kershaw, A. 2004, The age and contemporary environments of Tower Volcano, Southwest Victoria, Australia, Proceedings of the Royal Society of Victoria, vol. 116, no. 1, pp. 69-76.
Tower Hill ash forms a useful chronological marker for archaeological and geological sites in the Warrnambool-Port Fairy area. The current paper establishes an age of 35 ±3 ka for the eruption of Tower Hill. Confidence in this age is provided by the agreement of results from three dating techniques on different types of material- accelerator mass spectrometry (AMS) radiocarbon dating of lake core sediments in a crater of the volcano, conventional radiocarbon dating of plant remains in a palaeosol buried by volcanic ash and thermoluminescence dating of quartz grains in a sand covered by the ash. Palynological analysis of lake sediment indicates the presence ofa steppe-type vegetation at the time for which no present day analogue exists in Australia
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