Wisconsin Glaciation of Newfoundland

Abstract

Research Article| November 01, 1940 Wisconsin Glaciation of Newfoundland PAUL MACCLINTOCK; PAUL MACCLINTOCK Search for other works by this author on: GSW Google Scholar W. H. TWENHOFEL W. H. TWENHOFEL Search for other works by this author on: GSW Google Scholar GSA Bulletin (1940) 51 (11): 1729–1756. https://doi.org/10.1130/GSAB-51-1729 Article history received: 16 Apr 1940 first online: 02 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Twitter LinkedIn Tools Icon Tools Get Permissions Search Site Citation PAUL MACCLINTOCK, W. H. TWENHOFEL; Wisconsin Glaciation of Newfoundland. GSA Bulletin 1940;; 51 (11): 1729–1756. doi: https://doi.org/10.1130/GSAB-51-1729 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 SocietyGSA Bulletin Search Advanced Search Abstract From the presence of fresh erratic stones and ice-scoured topography it is concluded that Newfoundland was completely glaciated during the Wisconsin stage of the Pleistocene. The glaciation had three recognizable episodes: (1) the maximum episode, (2) the Bay St. George episode, and (3) the cirque-forming and local moraine episode. During the first of these, ice spread as a complete cap from the Long Range Plateau, the Central Plateau, and the Avalon Peninsula outward in all directions to beyond the present shore lines of the island. It overrode the Anguille and the Bay of Islands mountains. It rounded the uplands and gouged out the fiords. During the second episode the ice margins receded, and fossiliferous marine sediments were deposited. These marine sediments were in several places overriden during a readvance of the ice which in the Bay St. George area deposited a fairly stout and continuous moraine. During the third episode the ice had dwindled to local glaciers excavating cirques at the heads of valleys and building minor moraines such as those at South Branch and Kittys Brook. The land has subsequently risen so that the marine sediments are well above sea level. Evidence from raised and warped strand lines suggests that Newfoundland was completely glaciated by ice spreading from the Labrador center at the climax of Wisconsin glaciation. 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.