Title: Relict iceberg keel marks on the New Jersey outer shelf, southern Hudson apron
Abstract: Research Article| May 01, 2001 Relict iceberg keel marks on the New Jersey outer shelf, southern Hudson apron Catherine Schuur Duncan; Catherine Schuur Duncan 1University of Texas Institute for Geophysics, 4412 Spicewood Springs Road, Building 600, Austin, Texas 78759-8500, USA Search for other works by this author on: GSW Google Scholar John A. Goff John A. Goff 1University of Texas Institute for Geophysics, 4412 Spicewood Springs Road, Building 600, Austin, Texas 78759-8500, USA Search for other works by this author on: GSW Google Scholar Geology (2001) 29 (5): 411–414. https://doi.org/10.1130/0091-7613(2001)029<0411:RIKMOT>2.0.CO;2 Article history received: 25 Aug 2000 rev-recd: 23 Jan 2001 accepted: 26 Jan 2001 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 Catherine Schuur Duncan, John A. Goff; Relict iceberg keel marks on the New Jersey outer shelf, southern Hudson apron. Geology 2001;; 29 (5): 411–414. doi: https://doi.org/10.1130/0091-7613(2001)029<0411:RIKMOT>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 Swath sonar bathymetry reveals sinuous furrows, <100 to >400 m wide, kilometers long, and <1 m to >4 m deep inscribed in semilithified clays on the southern Hudson apron. We interpret these as keel marks created by floating icebergs detached from the retreating Laurentide ice sheet since ca. 25 ka. Keel-mark orientations suggest two phases of iceberg rafting. These phases could correlate with Heinrich meltwater events H2 and H1 ca. 25 and 17 ka, bracketing the late Wisconsinan glacial maximum ca. 22 ka. During Holocene transgression, some keel marks were reworked and reformed into oblique ridges where older, sandier sediments crop out at the seafloor. Relict glacial features on the New Jersey outer shelf provide a tie between the timing of Laurentide glacial retreat and the evolution of shallow stratigraphy on this mid-latitude shelf during the last global sea-level cycle (ca. 120 ka to present). You do not have access to this content, please speak to your institutional administrator if you feel you should have access.
Publication Year: 2001
Publication Date: 2001-01-01
Language: en
Type: article
Indexed In: ['crossref']
Access and Citation
Cited By Count: 23
AI Researcher Chatbot
Get quick answers to your questions about the article from our AI researcher chatbot