Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/119491
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dc.contributor.authorAlessio, B.L.en
dc.contributor.authorCollins, A.S.en
dc.contributor.authorClark, C.en
dc.contributor.authorGlorie, S.M.en
dc.contributor.authorSiegfried, P.en
dc.contributor.authorTaylor, R.en
dc.date.issued2019en
dc.identifier.citationJournal of the Geological Society, 2019; 176(3):505-516en
dc.identifier.issn0016-7649en
dc.identifier.issn2041-479Xen
dc.identifier.urihttp://hdl.handle.net/2440/119491-
dc.description.abstractThe Southern Irumide Belt (SIB) records over one and a half billion years (c. 2000–500 Ma) of tectonic evolution along the southern Congo Craton margin. To understand this evolution we present U–Pb, Lu–Hf, REE zircon and structural data for the SIB of Zambia, which are used to investigate its formation, evolution and relationship to the Irumide Belt of the southern Congo Craton. Orthogneiss in the Chewore–Rufunsa and Chipata terranes yields ages between c. 2040 and 2000 Ma. This implies the presence of Paleoproterozoic basement throughout the SIB, similar to basement rocks within the Irumide Belt. Detrital zircon data from the Chipata Terrane yield age populations and εHf(t) values that are equivalent to those for samples from other SIB terranes and the Irumide Belt. The similarities between basement units and overlying sedimentary sequences in the SIB and Irumide Belt indicate that the SIB formed an integral part of the southern Congo margin since the Paleoproterozoic, rather than accreting to this margin during the late Mesoproterozoic. Subsequent structural deformation in this region occurred as two phases, a north–south-directed compression during the late Neoproterozoic to Cambrian, and a weaker east–west-directed compression during the Phanerozoic.en
dc.description.statementofresponsibilityBrandon L. Alessio, Alan S. Collins, Chris Clark, Stijn Glorie, Pete R. Siegfried, Richard Tayloren
dc.language.isoenen
dc.publisherThe Geological Society of Londonen
dc.rights© 2019 The Author(s). Published by The Geological Society of London. All rights reserved. For permissions: http://www.geolsoc.org.uk/permissions. Publishing disclaimer: www.geolsoc.org.uk/pub_ethicsen
dc.titleAge, origin and palaeogeography of the Southern Irumide Belt, Zambiaen
dc.typeJournal articleen
dc.identifier.rmid0030116699en
dc.identifier.doi10.1144/jgs2018-174en
dc.relation.granthttp://purl.org/au-research/grants/arc/FT120100340en
dc.identifier.pubid463123-
pubs.library.collectionGeology & Geophysics publicationsen
pubs.library.teamDS14en
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
dc.identifier.orcidAlessio, B.L. [0000-0001-7288-8713]en
dc.identifier.orcidCollins, A.S. [0000-0002-3408-5474]en
dc.identifier.orcidGlorie, S.M. [0000-0002-3107-9028]en
Appears in Collections:Geology & Geophysics publications

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