Slope and Submarine Fan Turbidite Facies of the Upper Devonian Imperial Formation, Northern Mackenzie Mountains, NWT

Abstract

Research Article| June 01, 2009 Slope and Submarine Fan Turbidite Facies of the Upper Devonian Imperial Formation, Northern Mackenzie Mountains, NWT T. Hadlari; T. Hadlari Northwest Territories Geoscience Office, 4601-B, 52nd Avenue, Yellowknife, NWT, X1A 2R3 thomas_hadlari@gov.nt.ca 1Current Address: Geological Survey of Canada, 3303 - 33rd Street NW, Calgary, AB T2L 2A7, thomas.hadlari@nrcan-rncan.gc.ca Search for other works by this author on: GSW Google Scholar S.A. Tylosky; S.A. Tylosky University of Alberta, Department of Earth and Atmospheric Sciences, 1-26 Earth Sciences Building, Edmonton, AB T6G 2E3 Search for other works by this author on: GSW Google Scholar Y. Lemieux; Y. Lemieux Geological Survey of Canada, c/o Northwest Territories Geoscience Office, 4601-B, 52nd Avenue, Yellowknife, NWT X1A 2R3 Search for other works by this author on: GSW Google Scholar W.G. Zantvoort; W.G. Zantvoort Northwest Territories Geoscience Office, 4601-B, 52nd Avenue, Yellowknife, NWT X1A 2R3 Search for other works by this author on: GSW Google Scholar O. Catuneanu O. Catuneanu University of Alberta, Department of Earth and Atmospheric Sciences, 1-26 Earth Sciences Building, Edmonton, AB T6G 2E3 Search for other works by this author on: GSW Google Scholar Bulletin of Canadian Petroleum Geology (2009) 57 (2): 192–208. https://doi.org/10.2113/gscpgbull.57.2.192 Article history received: 18 Aug 2008 accepted: 30 Mar 2009 first online: 02 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation T. Hadlari, S.A. Tylosky, Y. Lemieux, W.G. Zantvoort, O. Catuneanu; Slope and Submarine Fan Turbidite Facies of the Upper Devonian Imperial Formation, Northern Mackenzie Mountains, NWT. Bulletin of Canadian Petroleum Geology 2009;; 57 (2): 192–208. doi: https://doi.org/10.2113/gscpgbull.57.2.192 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 SocietyBulletin of Canadian Petroleum Geology Search Advanced Search Abstract At the front of the Mackenzie Mountains west of Norman Wells, the Upper Devonian Imperial Formation was deposited by a fan-slope complex that prograded southwest from an eastern basin margin. Laterally extensive submarine fan deposits are composed of intercalated sandstone lobe and lobe fringe deposits. Sandstone lobes are composed of thick-bedded turbidites reflecting high sediment fallout rates. Lobe fringe deposits are thin-bedded turbidites deposited under upper flow regime conditions. Slope facies are shale-dominant, but include turbidites deposited by both fine-grained dilute flows and thin-bedded facies deposited under upper flow regime conditions but low sediment fallout rates. Near the eastern edge of the study area, at Imperial River, shallow marine deposits are preserved above and below slope deposits, a relationship interpreted to record local shelf construction at the basin margin during initial stages of subsidence. Near the western edge of the study area, at Flyaway Creek, Imperial Formation is composed entirely of shale, marking the western extent of well developed base-of-slope submarine fan deposits. In the western area Imperial Formation is overlain by Tuttle Formation sandstone, which marks an increase in the grain size of sediment supplied to the southwestward prograding slope system. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.