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K-Ar geochronology of basalt petrogenesis, Newer Volcanic Province, Victoria

Gray, C M; McDougall, Ian

Description

The largest component of the basaltic Newer Volcanic Province of Victoria, Australia, the Western Plains subprovince, comprises extensive tholeiitic to alkalic lava flows and pyroclastics. The subprovince is subdivided into eastern and western sectors with distinctive Sr isotopic signatures; the isotopic discontinuity corresponds to an underlying Paleozoic tectonic boundary. Fifty-one new K-Ar ages plus previously published results encompass the geographic, lithological and isotopic variants of...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
URI: http://hdl.handle.net/1885/49677
Source: Australian Journal of Earth Sciences
DOI: 10.1080/08120090802547066

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