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- W2000626941 abstract "Research Article| December 01, 2002 The Chirwa dome: granite emplacement during late Archaean thrusting along the northeastern margin of the Zimbabwe craton Axel Hofmann; Axel Hofmann School of Geosciences, University of the Witwatersrand, Private Bag 3, Wits 2050, South Africa Department of Geology, University of Zimbabwe, P.O. Box MP 167, Harare, Zimbabwe, e-mail: hofmannaxel@hotmail.com Search for other works by this author on: GSW Google Scholar Oliver Jagoutz; Oliver Jagoutz Institut für Erdwissenschaften, ETH-Zürich, 8092 Zürich, Switzerland, e-mail: oliver.jagoutz@erdw.ethz.ch Search for other works by this author on: GSW Google Scholar Alfred Kröner; Alfred Kröner Institut für Geowissenschaften, Universität Mainz, 55099 Mainz, Germany, e-mail: kroener@mail.uni-mainz.de Search for other works by this author on: GSW Google Scholar Paul H.G.M. Dirks; Paul H.G.M. Dirks School of Geosciences, University of the Witwatersrand, Private Bag 3, Wits 2050, South Africa, e-mail: dirksp@geosciences.wits.ac.za Search for other works by this author on: GSW Google Scholar Hielke A. Jelsma Hielke A. Jelsma CIGCES-Centre of Interactive Graphical Computing of Earth Systems, Department of Geological Sciences, University of Cape Town, Rondebosch, 7701, South Africa, e-mail: jelsma@cigces.uct.ac.za Search for other works by this author on: GSW Google Scholar Author and Article Information Axel Hofmann School of Geosciences, University of the Witwatersrand, Private Bag 3, Wits 2050, South Africa Department of Geology, University of Zimbabwe, P.O. Box MP 167, Harare, Zimbabwe, e-mail: hofmannaxel@hotmail.com Oliver Jagoutz Institut für Erdwissenschaften, ETH-Zürich, 8092 Zürich, Switzerland, e-mail: oliver.jagoutz@erdw.ethz.ch Alfred Kröner Institut für Geowissenschaften, Universität Mainz, 55099 Mainz, Germany, e-mail: kroener@mail.uni-mainz.de Paul H.G.M. Dirks School of Geosciences, University of the Witwatersrand, Private Bag 3, Wits 2050, South Africa, e-mail: dirksp@geosciences.wits.ac.za Hielke A. Jelsma CIGCES-Centre of Interactive Graphical Computing of Earth Systems, Department of Geological Sciences, University of Cape Town, Rondebosch, 7701, South Africa, e-mail: jelsma@cigces.uct.ac.za Publisher: Geological Society of South Africa First Online: 07 Mar 2017 Online ISSN: 1996-8590 Print ISSN: 1012-0750 © 2003 Geological Society of South Africa South African Journal of Geology (2002) 105 (4): 285–300. https://doi.org/10.2113/1050285 Article history First Online: 07 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn Email Permissions Search Site Citation Axel Hofmann, Oliver Jagoutz, Alfred Kröner, Paul H.G.M. Dirks, Hielke A. Jelsma; The Chirwa dome: granite emplacement during late Archaean thrusting along the northeastern margin of the Zimbabwe craton. South African Journal of Geology 2002;; 105 (4): 285–300. doi: https://doi.org/10.2113/1050285 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietySouth African Journal of Geology Search Advanced Search Abstract The Chirwa dome in northeast Zimbabwe is situated at the boundary between the Zimbabwe craton and Archaean gneisses of the Zambezi mobile belt. This circular granite intrusion has long been regarded as Archaean granite which was remobilized during Pan-African times and emplaced as a mantled gneiss dome into a Proterozoic metasedimentary sequence. Field mapping, structural work and new zircon dates indicate that the Chirwa dome and surrounding rocks underwent a very different history. The supracrustal sequence was deposited and moderately deformed between ~2613 and ~2601 Ma ago, as bracketed by a provenance date and an intrusive date, respectively. Shortly after deposition, the sequence was thrust westward and juxtaposed against a greenstone terrain of the Zimbabwe craton. This active thrust stack was intruded by successive syntectonic granitoids at ~2601 and ~2593 Ma. The Chirwa dome granite, ~2570 Ma old, represents the last intrusive event before cessation of deformation. Our data indicate that while the central Zimbabwe craton already behaved as a stable crustal block at ~2600 Ma, tectonism was active along its northeastern margin. You do not have access to this content, please speak to your institutional administrator if you feel you should have access." @default.
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- W2000626941 title "The Chirwa dome: granite emplacement during late Archaean thrusting along the northeastern margin of the Zimbabwe craton" @default.
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