Uphill-facing (antislope) scarps in the Coast Mountains, southwest British Columbia

Research Article| August 01, 1982 Uphill-facing (antislope) scarps in the Coast Mountains, southwest British Columbia MICHAEL J. BOVIS MICHAEL J. BOVIS 1Department of Geography, University of British Columbia, Vancouver, British Columbia V6T 1W5, Canada Search for other works by this author on: GSW Google Scholar Author and Article Information MICHAEL J. BOVIS 1Department of Geography, University of British Columbia, Vancouver, British Columbia V6T 1W5, Canada Publisher: Geological Society of America First Online: 01 Jun 2017 Online ISSN: 1943-2674 Print ISSN: 0016-7606 Geological Society of America GSA Bulletin (1982) 93 (8): 804–812. https://doi.org/10.1130/0016-7606(1982)93<804:UASITC>2.0.CO;2 Article history First Online: 01 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn Email Permissions Search Site Citation MICHAEL J. BOVIS; Uphill-facing (antislope) scarps in the Coast Mountains, southwest British Columbia. GSA Bulletin 1982;; 93 (8): 804–812. doi: https://doi.org/10.1130/0016-7606(1982)93<804:UASITC>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 SocietyGSA Bulletin Search Advanced Search Abstract Uphill-facing scarps are examined, at Affliction Creek, a glacierized area within the Meager Creek Volcanic Complex of southwest British Columbia. Scarps occur directly downslope of tension cracks and are considered to have developed from a combination of (1) antithetic movement between partly toppled slices of rock, defined by a master joint set dipping into the slope; and (2) erosion of the upslope face of each tension crack, leaving the downslope face prominent as an antislope scarp. A kinematic test for toppling failure is described. Glacial erosion and rapid glacial downwasting are probable causes of toppling. Lichenometric data indicate significant scarp development since Affliction Glacier attained its maximum Neoglacial dimensions about 140 yr ago. Dilatancy is cited as a possible mechanism for scarp stabilization. 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.