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Aridity in the monsoon zone as indicated by desert dune formation in the Gregory Lakes basin, northwestern Australia

Fitzsimmons, K E; Miller, Gifford Hubbs; Spooner, N.A.; Magee, John

Description

Desert dunes within the monsoon-fed Gregory Lakes basin form valuable archives for Quaternary paleoenvironments, in a region where such records are scarce. Optically stimulated luminescence (OSL) chronologies from two dunes identify the timing of eolian processes, interpreted as a complex response to aridification and increased sediment availability during lake transgressions and associated fluvial activity. The earliest eolian deposition in our record occurred ca 91.5 ka, which postdates the...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
URI: http://hdl.handle.net/1885/68620
Source: Australian Journal of Earth Sciences
DOI: 10.1080/08120099.2012.686171

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