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TitleMackenzie-Peel Platform and Ellesmerian Foreland Composite Tectono-Sedimentary Element, northwestern Canada
AuthorFallas, K MORCID logo; MacNaughton, R BORCID logo; Hannigan, P KORCID logo; MacLean, B C
SourceSedimentary successions of the Arctic region and their hydrocarbon prospectivity; by Drachev, S S (ed.); Brekke, H (ed.); Henriksen, E (ed.); Moore, T (ed.); Geological Society Memoir 2021 p. 1-13, Open Access logo Open Access
Alt SeriesEarth Sciences Sector, Contribution Series 20160256
PublisherGeological Society of London
Mediapaper; on-line; digital
File formatpdf
ProvinceNorthwest Territories; Yukon
NTS85M; 86D; 86E; 86L; 86M; 87B; 87C; 95M; 95N; 95O; 95P; 96; 97A; 97B; 97C; 97D; 97E; 97F; 105M; 105N; 105O; 105P; 106; 107
AreaMackenzie River; Great Bear Lake; Tulita; Norman Wells; Franklin Mountains; Inuvik; Amundsen Gulf
Lat/Long WENS-136.0000 -118.0000 71.0000 63.0000
Subjectstectonics; structural geology; fossil fuels; geophysics; Nature and Environment; Science and Technology; continental margins; continental shelf; continental slope; plate margins; tectonic history; tectonic setting; faulting; subsidence; crustal uplift; erosion; folding; depositional history; bedrock geology; structural features; faults; lithology; sedimentary rocks; sandstones; carbonates; shales; petroleum resources; petroleum exploration; hydrocarbon potential; hydrocarbons; oil; gas; oil fields; Mackenzie-Peel Platform Tectono-Sedimentary Element; Ellesmerian Foreland Tectono-Sedimentary Element; Mackenzie-Ellesmerian Composite Tectono-Sedimentary Element; Canadian Cordillera; Interior Plains; Mackenzie Trough; Keele Arch; Ellesmerian Orogeny; Mount Clark Formation; Fort Norman Formation; Ramparts Formation; Canol Formation; Franklin Mountain Formation; Mount Kindle Formation; Arnica Formation; Landry Formation; Bear Rock Formation; Imperial Formation; Tuttle Formation; Phanerozoic; Cenozoic; Tertiary; Mesozoic; Cretaceous; Paleozoic; Carboniferous; Devonian; Silurian; Ordovician; Cambrian
Illustrationsgeoscientific sketch maps; location maps; stratigraphic charts; cross-sections; seismic sections
ProgramGEM2: Geo-mapping for Energy and Minerals Mackenzie Corridor, Shield to Selwyn
Released2021 04 23
AbstractThe Mackenzie-Peel Platform Tectono-Sedimentary Element (TSE), and the overlying Ellesmerian Foreland TSE, consist of Cambrian-Early Carboniferous shelf and slope sedimentary deposits in Canada's northern Interior Plains. In this chapter, these elements are combined into the Mackenzie-Ellesmerian Composite TSE. The history of the area includes early extensional faulting and subsidence in the Mackenzie Trough, passive-margin deposition across the Mackenzie-Peel Platform, local uplift and erosion along the Keele Arch, subsidence and deposition in the Ellesmerian Foreland, possible minor folding during the Ellesmerian Orogeny, and folding and faulting in Cretaceous-Eocene time associated with the development of the Canadian Cordillera. Recorded petroleum discoveries are within Cambrian sandstone (Mount Clark Formation), Devonian carbonate strata (Ramparts and Fort Norman formations) and Devonian shale (Canol Formation). Additional oil and gas shows are documented from Cambrian-Silurian carbonate units (Franklin Mountain and Mount Kindle formations), Devonian carbonate units (Arnica, Landry and Bear Rock formations) and Late Devonian-Early Carboniferous siliciclastic units (Imperial and Tuttle formations). Petroleum exploration activity within the area has occurred in several phases since 1920, most of it associated with the one producing oilfield at Norman Wells.
Summary(Plain Language Summary, not published)
This report reviews the geological history, geological structure, and petroleum geology of the Mackenzie-Peel Platform. This was a long-lived depositional basin on the present-day northern mainland of the Northwest Territories. Deposition lasted from the Cambrian to Devonian periods of earth history. These rocks are host to the long-producing oil field at Norman Wells and also to undeveloped gas and oil resources in the Colville Hills and elsewhere. The report will be published as a chapter in a Memoir of the Geological Society of London dealing with Arctic sedimentary basins and their petroleum potential.

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