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The crustal architecture of Archaean terranes in Northeastern Botswana

McCourt, Steve; Kampunzu, Ali B; Bagai, Z; Armstrong, Richard

Description

New and published geological, geochemical and U-Pb zircon age data are combined to model the architecture and evolution of the Archaean crust in north-eastern Botswana. Four distinct crustal terranes are identified. The Francistown granite-greenstone terrane at the south-western margin of the Zimbabwe craton, is interpreted as a continental-margin arc complex (the Francistown Arc Complex) that developed between ∼2710 and ∼2647Ma. Outboard of this arc complex, and separated from it by the Shashe...[Show more]

CollectionsANU Research Publications
Date published: 2004
Type: Journal article
URI: http://hdl.handle.net/1885/80350
Source: South African Journal of Geology

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