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Accretionary tectonics of Burma and the three-dimensional geometry of the Burma subduction zone
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1989
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India-asia Collision ZoneEngineeringContinental TectonicsTectonic EvolutionIndia-asia CollisionEarth ScienceRegional GeologyGeophysicsBurma Subduction ZoneNorth Carolina 27695Marine GeologyAccretionary TectonicsGeographyEast Asian LanguagesGeologyThree-dimensional GeometryTectonicsMorphotectonicsStructural GeologyEarth SciencesOrogeny
Research Article| January 01, 1989 Accretionary tectonics of Burma and the three-dimensional geometry of the Burma subduction zone James F. Ni; James F. Ni 1Department of Physics, New Mexico State University, Las Cruces, New Mexico 88003 Search for other works by this author on: GSW Google Scholar Marco Guzman-Speziale; Marco Guzman-Speziale 1Department of Physics, New Mexico State University, Las Cruces, New Mexico 88003 Search for other works by this author on: GSW Google Scholar Michael Bevis; Michael Bevis 2Department of Marine, Earth and Atmospheric Sciences, North Carolina State University, Raleigh, North Carolina 27695 Search for other works by this author on: GSW Google Scholar William E. Holt; William E. Holt 3Department of Geosciences, University of Arizona, Tucson, Arizona 85721 Search for other works by this author on: GSW Google Scholar Terry C. Wallace; Terry C. Wallace 3Department of Geosciences, University of Arizona, Tucson, Arizona 85721 Search for other works by this author on: GSW Google Scholar William R. Seager William R. Seager 4Department of Earth Sciences, New Mexico State University, Las Cruces, New Mexico 88003 Search for other works by this author on: GSW Google Scholar Author and Article Information James F. Ni 1Department of Physics, New Mexico State University, Las Cruces, New Mexico 88003 Marco Guzman-Speziale 1Department of Physics, New Mexico State University, Las Cruces, New Mexico 88003 Michael Bevis 2Department of Marine, Earth and Atmospheric Sciences, North Carolina State University, Raleigh, North Carolina 27695 William E. Holt 3Department of Geosciences, University of Arizona, Tucson, Arizona 85721 Terry C. Wallace 3Department of Geosciences, University of Arizona, Tucson, Arizona 85721 William R. Seager 4Department of Earth Sciences, New Mexico State University, Las Cruces, New Mexico 88003 Publisher: Geological Society of America First Online: 02 Jun 2017 Online ISSN: 1943-2682 Print ISSN: 0091-7613 Geological Society of America Geology (1989) 17 (1): 68–71. https://doi.org/10.1130/0091-7613(1989)017<0068:ATOBAT>2.3.CO;2 Article history First Online: 02 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation James F. Ni, Marco Guzman-Speziale, Michael Bevis, William E. Holt, Terry C. Wallace, William R. Seager; Accretionary tectonics of Burma and the three-dimensional geometry of the Burma subduction zone. Geology 1989;; 17 (1): 68–71. doi: https://doi.org/10.1130/0091-7613(1989)017<0068:ATOBAT>2.3.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 The geometry of the Burma Wadati-Benioff zone (WBZ) has been determined by fitting a trend surface parameterized with eight effective degrees of freedom to 184 well-located hypocenters. The dip of this surface, which passes through the middle of the WBZ, varies from about 50° in the north near the eastern Himalayan syntaxis to about 30° in the Bay of Bengal area. The eastern edge of the Indo-Burman ranges closely follows the map projection of the 60 km depth contour of the WBZ. The curvature of the Indo-Burman ranges is controlled by the geometry of the interface between the more steeply dipping part of the Indian plate and the leading edge of the overriding Burma platelet. Shallow earthquakes beneath the Indo-Burman ranges are primarily confined to the underthrusting Indian plate. Their focal mechanisms indicate strike-slip faulting and north-south shortening parallel to the eastern margin of the Indian plate. This content is PDF only. Please click on the PDF icon to access. First Page Preview Close Modal You do not have access to this content, please speak to your institutional administrator if you feel you should have access.