Geometry and lateral strain of subducted plates in island arcs

Abstract

Research Article| September 01, 1975 Geometry and lateral strain of subducted plates in island arcs Joseph A. Laravie Joseph A. Laravie 1Department of Geological Sciences, University of Washington, Seattle, Washington 98195 Search for other works by this author on: GSW Google Scholar Geology (1975) 3 (9): 484–486. https://doi.org/10.1130/0091-7613(1975)3<484:GALSOS>2.0.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 Joseph A. Laravie; Geometry and lateral strain of subducted plates in island arcs. Geology 1975;; 3 (9): 484–486. doi: https://doi.org/10.1130/0091-7613(1975)3<484:GALSOS>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 Oceanic trenches associated with island arcs generally have small radii of curvature, much less than 45 degrees. A geometric model of subduction is presented that predicts three types of arcs: one in which the subducted plate is subject to lateral extension, a second in which the subducted plate is laterally shortened, and a third in which the subducted plate is not laterally deformed. Parameters of the model are the radius of curvature of the island arc and the dip of the subducted plate. Comparison of island arcs with the model suggests that, at intermediate and deep levels of subduction, most arcs are of the type in which the subducted plate is laterally extended. 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.