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TitleCambrian lithostratigraphy of the Mount Clark, Mount Cap and Saline River formations in the Carcajou Range and Norman Range, Northwest Territories (NTS 96E1, 3, and 4)
LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorBouchard, M L; Turner, E C
SourceGeological Survey of Canada, Open File 8246, 2017, 38 pages, Open Access logo Open Access
PublisherNatural Resources Canada
Documentopen file
Mediaon-line; digital
File formatpdf
ProvinceNorthwest Territories
NTS96D/14; 96E/01; 96E/04
AreaMackenzie Valley; Norman Wells; Carcajou Range; Norman Range; Dodo Canyon
Lat/Long WENS-128.0000 -125.9000 65.3500 64.8833
Subjectsstratigraphy; sedimentology; paleontology; fossil fuels; Lower Cambrian; Middle Cambrian; systematic stratigraphy; lithostratigraphy; depositional environment; bedrock geology; lithology; sedimentary rocks; dolostones; mudstones; sandstones; evaporites; gypsum; carbonates; limestones; shales; arenites; siltstones; unconformities; sedimentary basins; sedimentary structures; petroleum resources; hydrocarbon potential; fossils; trace fossils; Mount Clark Formation; Mount Cap Formation; Saline River Formation; Franklin Mountain Formation; Mackenzie Plain; Mackenzie Arch; Abraham Plains Formation; Katherine Group; Phanerozoic; Paleozoic; Ordovician; Cambrian; Precambrian; Proterozoic
Illustrationsgeological sketch maps; location maps; isopach maps; photographs; stratigraphic sections; correlation sections
ProgramGEM2: Geo-mapping for Energy and Minerals Mackenzie Corridor, Shield to Selwyn
ProgramPolar Continental Shelf Program
Released2017 06 30
AbstractThis report documents the Lower to Middle Cambrian Mount Clark, Mount Cap, and Saline River formations in the Carcajou and Norman ranges, western mainland Northwest Territories. The "Bearpaw Creek" section (section 1), exposes the sandstone-dominated uppermost Abraham Plains Formation (Katherine Group; ~2.4 m measured), unconformably overlain by a complete section of the Cambrian sandstone-dominated Mount Clark (~11.6 m measured), dolostone and dolomitic-sandstone-dominated Mount Cap (~23.2 m measured) and gypsite-dominated Saline River formations (~66.7 m measured), and lowermost carbonate-dominated Cambrian-Ordovician Franklin Mountain Formation. Dodo Creek sections A and B (section 2A and B), consist of incomplete, overlapping sections of the Mount Cap Formation (section A ~35.5 m measured; section B ~28.8 m measured). The Norman Range section (section 3) is an almost complete section of the Saline River Formation (~182.4 m measured), which is conformably overlain by the lowermost units of the Franklin Mountain Formation.
Summary(Plain Language Summary, not published)
This report documents the rock types present in two measured sections through Cambrian-aged formations in the Mackenzie Mountains. The formations are, from oldest to youngest, Mount Clark Formation, Mount Cap Formation, and Saline River Formation. Mount Clark Formation is dominated by sandstone, Mount Cap Formation consists mainly of shale and carbonate rocks, and Saline River Formation consists mainly of shale and gypsum. The ancient environments that deposited these rocks are discussed.

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