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TitleBedrock mapping and stratigraphic studies in the Mackenzie Mountains, Franklin Mountains, Colville Hills, and adjacent areas of the Northwest Territories, Geo-mapping for Energy and Minerals program 2009-2019
LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorFallas, K MORCID logo; MacNaughton, R BORCID logo
SourceSedimentary basins of northern Canada: contributions to a 1000 Ma geological journey and insight on resource potential; by Lavoie, DORCID logo (ed.); Dewing, KORCID logo (ed.); Geological Survey of Canada, Bulletin 609, 2022 p. 91-127, Open Access logo Open Access
PublisherNatural Resources Canada
Mediaon-line; digital
RelatedThis publication is contained in Sedimentary basins of northern Canada: contributions to a 1000 Ma geological journey and insight on resource potential
RelatedNRCan photo(s) in this publication
File formatpdf
ProvinceNorthwest Territories
NTS96C/03; 96C/04; 96C/05; 96C/06; 96C/11; 96C/12; 96C/13; 96C/14; 96D; 96E; 96F; 96K; 96L; 96M; 96N; 106B/09; 106B/10; 106B/11; 106B/12; 106B/13; 106B/14; 106B/15; 106B/16; 106G/01; 106G/02; 106G/03; 106G/04; 106G/05; 106G/06; 106G/07; 106G/08; 106H/01; 106H/02; 106H/03; 106H/04; 106H/05; 106H/06; 106H/07; 106H/08
AreaMackenzie River; Gwich'in; Sahtu; Franklin Mountains; Colville Lake; Norman Wells; Tulita; Colville Hills; Mackenzie Mountains; Great Bear Lake
Lat/Long WENS-132.0000 -124.0000 68.0000 63.0000
Subjectsregional geology; stratigraphy; structural geology; fossil fuels; economic geology; geophysics; tectonics; Science and Technology; Nature and Environment; systematic stratigraphy; stratigraphic nomenclature; bedrock geology; lithology; sedimentary rocks; shales; sandstones; siltstones; quartzites; conglomerates; evaporites; breccias; limestones; dolostones; igneous rocks; intrusive rocks; gabbros; volcanic rocks; volcaniclastics; structural features; faults; folds; hydrocarbon potential; petroleum occurrence; mineral potential; mineral occurrences; sedimentary basins; intrusions; sills; geophysical surveys; seismic surveys; tectonic history; deformation; structural interpretations; structural analyses; Operation Norman; Mackenzie Plain; Peel Plateau; Peel Plain; Great Bear Plain; Brackett Basin; Summit Creek Formation; East Fork Formation; Trevor Formation; Little Bear Formation; Slater River Formation; Arctic Red Formation; Sans Sault Member; Mahoney Lake Formation; Martin House Formation; Imperial Formation; Horn River Group; Canol Formation; Ramparts Formation; Hare Indian Formation; Hume Formation; Landry Formation; Arnica Formation; Bear Rock Formation; Delorme Group; Tatsieta Formation; Tsetso Formation; Peel Formation; Road River Group; Cloudy Formation; Mount Kindle Formation; Marmot Formation; Duo Lake Formation; Rabbitkettle Formation; Franklin Mountains Formation; Hess River Formation; Nainlin Formation; Saline River Formation; Mount Cap Formation; Mount Clark Formation; Windermere Supergroup; Sekwi Formation; Vampire Formation; Backbone Ranges Formation; Sheepbed Carbonate; Sheepbed Formation; Hay Creek Group; Hayhook Formation; Ravensthroat Formation; Keele Formation; Twitya Formation; Rapitan Group; Shezal Formation; Sayunei Formation; Coates Lake Group; Coppercap Formation; Thundercloud Formation; Little Dal Group; Ram Head Formation; Snail Spring Formation; Ten Stone Formation; Gayna Formation; Stone Knife Formation; Stone Knife Reefs; Dodo Creek Formation; Katherine Group; Abraham Plains Formation; McClure Formation; Shattered Range Formation; Etagochile Formation; Grafe River Formation; Tawu Formation; Eduni Formation; Tsezotene Formation; Tabasco Formation; Neoproterozoic; Ediacaran; Cryogenian; Tonian; Mesoproterozoic; Laramide Orogeny; Operation Stewart; Open data; Government publications; Phanerozoic; Mesozoic; Cretaceous; Paleozoic; Devonian; Silurian; Ordovician; Cambrian; Precambrian; Proterozoic
Illustrationsdigital elevation models; location maps; index maps; stratigraphic charts; stratigraphic sections; geoscientific sketch maps; photographs
ProgramGEM2: Geo-mapping for Energy and Minerals Mackenzie Corridor, Shield-to-Selwyn geo-transect, Mackenzie-Selwyn sub-activity
Released2022 12 20; 2023 09 14
AbstractThe Geo-mapping for Energy and Minerals (GEM) program provided an opportunity to update bedrock geological maps for nearly 92 000 km2 of the northwestern portion of the mainland area of the Northwest Territories. Twenty-four new maps (at the scale of 1:100 000 or 1:250 000) cover a region from the Colville Hills southwestward into the Mackenzie Mountains, including areas of significant mineral and energy resource potential. New mapping was informed by archived Geological Survey of Canada data, notably from Operation Norman (1968-1970), as well as by public-domain industry data. Maps incorporate numerous stratigraphic revisions that postdate Operation Norman, including GEM program innovations affecting Neoproterozoic (specifically Tonian and Ediacaran), Cambrian, and Ordovician units. In this paper, the mapping effort and stratigraphic revisions are documented, a preliminary treatment of structural geology is provided, and related subsurface studies are summarized. Following GEM, GIS-enabled bedrock maps will be available for a swath of territory stretching from the edge of the Selwyn Basin, near the Yukon border, to the Brock Inlier in the northeastern portion of the mainland area of the Northwest Territories.
Summary(Plain Language Summary, not published)
This report is a contribution to the synthesis and summary of research conducted under the Geo-mapping for Energy and Minerals (GEM) Program, focussed on the Mackenzie region. Bedrock mapping activities and research into sedimentary rock units of the northern Mackenzie Mountains, Mackenzie Plain, Franklin Mountains, and Colville Hills of mainland Northwest Territories from 2009 to 2019 is reviewed with an emphasis on revisions and advancements from previous work.

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