Plate-tectonic model for southern Antarctic Peninsula and its relation to southern Andes

Research Article| April 01, 1976 Plate-tectonic model for southern Antarctic Peninsula and its relation to southern Andes Manuel Suárez Manuel Suárez 1Instituto de Investigaciones Geológicas, Casilla 10465, Santiago, Chile, and Department of Geological Sciences, University of Birmingham, Birmingham B15 2TT, England Search for other works by this author on: GSW Google Scholar Geology (1976) 4 (4): 211–214. https://doi.org/10.1130/0091-7613(1976)4<211:PMFSAP>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 Manuel Suárez; Plate-tectonic model for southern Antarctic Peninsula and its relation to southern Andes. Geology 1976;; 4 (4): 211–214. doi: https://doi.org/10.1130/0091-7613(1976)4<211:PMFSAP>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 Three main Upper Jurassic–Cretaceous tectono-stratigraphic units recognized in Palmer Land and Alexander Island are comparable with assemblages formed (1) in an ensialic volcanic arc (Upper Jurassic Volcanic Group), (2) in a forearc or intra-arc marine basin (Fossil Bluff Formation), and (3) in a back-arc marine basin (Crabeater Point sediments and Latady Formation), possibly representing a proto–Weddell Sea.A sequence of intensely sheared, polyphasally deformed turbidites and pillow lava rocks of possible late Paleozoic or Triassic age, exposed along western Alexander Island, is tentatively interpreted as a trench assemblage accreted during an early stage of subduction.There is a close correlation between these units and the approximately coeval island-arc-marginal basin system of the southern Andes and South Georgia. 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.