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Quartz-dominated Cenozoic gravels in southeastern Australia: where did all the quartz come from?

Pillans, Bradley; Leitch, Hamish


Upper Cenozoic fluvial gravels in the Canberra region are quartz-dominated (>95 vol% quartz), whereas modern bedload sediments contain less than 50 vol% quartz and a range of lithologies that broadly reflect the catchment geology. Potential reasons for the compositional difference include changes in catchment geology, sediment transport distance, post-depositional weathering and regolith history. Breakage of unsound clasts during transport does not explain the difference because sediment...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
Source: Australian Journal of Earth Sciences
DOI: 10.1080/08120099.2017.1306581


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