The late Paleozoic Southwestern Laurentian Borderland

Research Article| May 19, 2017 The late Paleozoic Southwestern Laurentian Borderland Timothy F. Lawton; Timothy F. Lawton * 1Centro de Geociencias, Universidad Nacional Autónoma de México, Juriquilla, 76230 Querétaro, Mexico *E-mail: tlawton@geociencias.unam.mx Search for other works by this author on: GSW Google Scholar Patricia H. Cashman; Patricia H. Cashman 2Department of Geological Sciences and Engineering, University of Nevada–Reno, Reno, Nevada 89557-0172, USA Search for other works by this author on: GSW Google Scholar James H. Trexler, Jr.; James H. Trexler, Jr. 2Department of Geological Sciences and Engineering, University of Nevada–Reno, Reno, Nevada 89557-0172, USA Search for other works by this author on: GSW Google Scholar Wanda J. Taylor Wanda J. Taylor 3Department of Geoscience, University of Nevada–Las Vegas, Las Vegas, Nevada 89154-4010, USA Search for other works by this author on: GSW Google Scholar Author and Article Information Timothy F. Lawton * 1Centro de Geociencias, Universidad Nacional Autónoma de México, Juriquilla, 76230 Querétaro, Mexico Patricia H. Cashman 2Department of Geological Sciences and Engineering, University of Nevada–Reno, Reno, Nevada 89557-0172, USA James H. Trexler, Jr. 2Department of Geological Sciences and Engineering, University of Nevada–Reno, Reno, Nevada 89557-0172, USA Wanda J. Taylor 3Department of Geoscience, University of Nevada–Las Vegas, Las Vegas, Nevada 89154-4010, USA *E-mail: tlawton@geociencias.unam.mx Publisher: Geological Society of America Received: 16 Feb 2017 Revision Received: 31 Mar 2017 Accepted: 03 Apr 2017 First Online: 23 Jun 2017 Online Issn: 1943-2682 Print Issn: 0091-7613 © 2017 Geological Society of America Geology (2017) 45 (8): 675–678. https://doi.org/10.1130/G39071.1 Article history Received: 16 Feb 2017 Revision Received: 31 Mar 2017 Accepted: 03 Apr 2017 First Online: 23 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 Timothy F. Lawton, Patricia H. Cashman, James H. Trexler, Wanda J. Taylor; The late Paleozoic Southwestern Laurentian Borderland. Geology 2017;; 45 (8): 675–678. doi: https://doi.org/10.1130/G39071.1 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 A broad region of late Paleozoic tectonism along the Laurentian margin from central Nevada (United States) to Sonora (Mexico), including offshore western terranes, is herein termed the Southwestern Laurentian Borderland (SLaB). Carboniferous–middle Permian sinistral translation within the SLaB explains a wide range of apparently disparate geologic observations, including (1) diachronous spatial distribution of regional structures and continental-margin sedimentary basins; (2) sub-regional unconformities and associated structures in central Nevada and Sonora; (3) displacement of the southwest part of the early Paleozoic passive margin, which now comprises the Caborca block in Sonora; and (4) distribution from central Nevada to Sonora of allochthonous lower Paleozoic deep-water sandstones with distinctive detrital zircons derived from northern Laurentia. Northward latitudinal translation of Laurentia by ∼3000 km proposed by recent plate-tectonic models provides a mechanism for displacement of the continent relative to outboard western lithospheric domains. The SLaB was a sinistral transpressive plate boundary active from Mississippian to middle Permian time. As defined here, it directly followed the Antler collisional event and ended prior to the Sonoma orogeny. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.