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Shifts in the locus of crustal thickening during Mesoproterozoic orogenesis in the Mt Isa Terrane

MacCready, T; Goleby, B; Goncharov, A; Drummond, B; Lister, Gordon

Description

A fundamental change from thin-skinned to thick-skinned tectonics in the Mt Isa Terrane is interpreted to reflect a westward shift in the locus of crustal thickening during Mesoproterozoic orogenesis in northeastern Australia. Geochronological constraints indicate that west-directed, thin-skinned deformation in the eastern part of the terrane occurred before ca 1540 Ma. This upper crustal system is interpreted to link with deeper crustal thickening in the Georgetown Inlier to the east, where...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
URI: http://hdl.handle.net/1885/26925
Source: Australian Journal of Earth Sciences
DOI: 10.1080/08120090500432405

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