Strike-slip metamorphic core complexes: Gneiss domes emplaced in releasing bends

Research Article| August 04, 2017 Strike-slip metamorphic core complexes: Gneiss domes emplaced in releasing bends Yoann Denèle; Yoann Denèle 1Géosciences Environnement Toulouse, Université de Toulouse, CNRS, IRD, UPS, CNES, F-31400 Toulouse, France Search for other works by this author on: GSW Google Scholar Damien Roques; Damien Roques 1Géosciences Environnement Toulouse, Université de Toulouse, CNRS, IRD, UPS, CNES, F-31400 Toulouse, France Search for other works by this author on: GSW Google Scholar Jérôme Ganne; Jérôme Ganne 1Géosciences Environnement Toulouse, Université de Toulouse, CNRS, IRD, UPS, CNES, F-31400 Toulouse, France Search for other works by this author on: GSW Google Scholar Dominique Chardon; Dominique Chardon 1Géosciences Environnement Toulouse, Université de Toulouse, CNRS, IRD, UPS, CNES, F-31400 Toulouse, France2IRD and Université Ouaga I Professeur Joseph Ki-Zerbo, Ouagadougou, Burkina Faso Search for other works by this author on: GSW Google Scholar Sonia Rousse; Sonia Rousse 1Géosciences Environnement Toulouse, Université de Toulouse, CNRS, IRD, UPS, CNES, F-31400 Toulouse, France Search for other works by this author on: GSW Google Scholar Pierre Barbey Pierre Barbey 3CNRS-CRPG, BP 20, F-54501 Vandoeuvre-lès-Nancy Cedex, France Search for other works by this author on: GSW Google Scholar Author and Article Information Yoann Denèle 1Géosciences Environnement Toulouse, Université de Toulouse, CNRS, IRD, UPS, CNES, F-31400 Toulouse, France Damien Roques 1Géosciences Environnement Toulouse, Université de Toulouse, CNRS, IRD, UPS, CNES, F-31400 Toulouse, France Jérôme Ganne 1Géosciences Environnement Toulouse, Université de Toulouse, CNRS, IRD, UPS, CNES, F-31400 Toulouse, France Dominique Chardon 1Géosciences Environnement Toulouse, Université de Toulouse, CNRS, IRD, UPS, CNES, F-31400 Toulouse, France2IRD and Université Ouaga I Professeur Joseph Ki-Zerbo, Ouagadougou, Burkina Faso Sonia Rousse 1Géosciences Environnement Toulouse, Université de Toulouse, CNRS, IRD, UPS, CNES, F-31400 Toulouse, France Pierre Barbey 3CNRS-CRPG, BP 20, F-54501 Vandoeuvre-lès-Nancy Cedex, France Publisher: Geological Society of America Received: 16 Feb 2017 Revision Received: 10 Jun 2017 Accepted: 12 Jun 2017 First Online: 04 Aug 2017 Online Issn: 1943-2682 Print Issn: 0091-7613 © 2017 Geological Society of America Geology (2017) 45 (10): 903–906. https://doi.org/10.1130/G39065.1 Article history Received: 16 Feb 2017 Revision Received: 10 Jun 2017 Accepted: 12 Jun 2017 First Online: 04 Aug 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation Yoann Denèle, Damien Roques, Jérôme Ganne, Dominique Chardon, Sonia Rousse, Pierre Barbey; Strike-slip metamorphic core complexes: Gneiss domes emplaced in releasing bends. Geology 2017;; 45 (10): 903–906. doi: https://doi.org/10.1130/G39065.1 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 SocietyGeology Search Advanced Search Abstract We investigate the development of a Neoproterozoic metamorphic core complex (MCC) in the Marbat area (southern Arabian Peninsula). The MCC is a gneiss dome emplaced in a releasing bend along a dextral strike-slip fault system. Dome emplacement–related extension was at a high angle to the long axis of the dome and 65° from the strike-slip fault system. Shortening is recorded in the upper plate of the MCC in a direction normal to the extension direction. Extensional emplacement of the gneiss dome accommodated lower crust exhumation and contributed to the formation of a ductile strike-slip releasing bend from an initial fault step. The Marbat example allows defining transversal stretching–dominated strike-slip MCCs, which would represent the early development stages of longitudinal stretching–dominated strike-slip MCCs. Conversely, longitudinal stretching–dominated strike-slip MCCs produced at low finite extension would result from strike-slip–dominated transtension. This study bears important implications for lower crust exhumation under pull-apart basin systems in obliquely convergent or divergent settings. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.