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Kinematic model for the Main Central thrust in Nepal

2003; Geological Society of America; Volume: 31; Issue: 4 Linguagem: Inglês

10.1130/0091-7613(2003)031 2.0.co;2

1943-2682

Delores M. Robinson, Peter G. DeCelles, Carmala N. Garzione, Ofori N. Pearson, T. Mark Harrison, Elizabeth J. Catlos,

High-pressure geophysics and materials

Research Article| April 01, 2003 Kinematic model for the Main Central thrust in Nepal D.M. Robinson; D.M. Robinson 1Department of Geosciences, University of Arizona, Tucson, Arizona 85721, USA Search for other works by this author on: GSW Google Scholar P.G. DeCelles; P.G. DeCelles 1Department of Geosciences, University of Arizona, Tucson, Arizona 85721, USA Search for other works by this author on: GSW Google Scholar C.N. Garzione; C.N. Garzione 2Department of Earth and Environmental Sciences, University of Rochester, Rochester, New York 14627, USA Search for other works by this author on: GSW Google Scholar O.N. Pearson; O.N. Pearson 3Department of Geosciences, University of Arizona, Tucson, Arizona 85721, USA Search for other works by this author on: GSW Google Scholar T.M. Harrison; T.M. Harrison 4Research School of Earth Sciences, Australian National University, Canberra ACT 0200, Australia Search for other works by this author on: GSW Google Scholar E.J. Catlos E.J. Catlos 5School of Geology, Oklahoma State University, Stillwater, Oklahoma 74078, USA Search for other works by this author on: GSW Google Scholar Author and Article Information D.M. Robinson 1Department of Geosciences, University of Arizona, Tucson, Arizona 85721, USA P.G. DeCelles 1Department of Geosciences, University of Arizona, Tucson, Arizona 85721, USA C.N. Garzione 2Department of Earth and Environmental Sciences, University of Rochester, Rochester, New York 14627, USA O.N. Pearson 3Department of Geosciences, University of Arizona, Tucson, Arizona 85721, USA T.M. Harrison 4Research School of Earth Sciences, Australian National University, Canberra ACT 0200, Australia E.J. Catlos 5School of Geology, Oklahoma State University, Stillwater, Oklahoma 74078, USA Publisher: Geological Society of America Received: 03 Sep 2002 Revision Received: 26 Nov 2002 Accepted: 03 Dec 2002 First Online: 02 Jun 2017 Online ISSN: 1943-2682 Print ISSN: 0091-7613 Geological Society of America Geology (2003) 31 (4): 359–362. https://doi.org/10.1130/0091-7613(2003)031 2.0.CO;2 Article history Received: 03 Sep 2002 Revision Received: 26 Nov 2002 Accepted: 03 Dec 2002 First Online: 02 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn Email Permissions Search Site Citation D.M. Robinson, P.G. DeCelles, C.N. Garzione, O.N. Pearson, T.M. Harrison, E.J. Catlos; Kinematic model for the Main Central thrust in Nepal. Geology 2003;; 31 (4): 359–362. doi: https://doi.org/10.1130/0091-7613(2003)031 2.0.CO;2 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 present a kinematic model for the Himalayan thrust belt that satisfies structural and metamorphic data and explains recently reported late Miocene–Pliocene geochronologic and thermochronologic ages from rocks in the Main Central thrust zone in central Nepal. At its current exposure level, the Main Central thrust juxtaposes a hanging-wall flat in Greater Himalayan rocks with a footwall flat in Lesser Himalayan rocks of the Ramgarh thrust sheet, which is the roof thrust of a large Lesser Himalayan duplex. Sequential emplacement of the Main Central (early Miocene) and Ramgarh (middle Miocene) thrust sheets was followed by insertion of thrust sheets within the Lesser Himalayan duplex and folding of the Main Central and Ramgarh thrusts during late Miocene–Pliocene time. Thorium-lead (Th-Pb) ages of monazite inclusions in garnets from central Nepal record the timing of coeval, progressive metamorphism of Lesser Himalayan rocks in the footwall of the Main Central thrust. Although this model does not rule out minor, late-stage reactivation of the Main Central thrust, major late Miocene reactivation is not required. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.