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TitleA reconnaissance section through the Neoproterozoic Katherine Group of the northern Mackenzie Mountains, Northwest Territories, and implications for mapping its subdivisions
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LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorFallas, K MORCID logo
SourceGeological Survey of Canada, Open File 8554, 2019, 22 pages, https://doi.org/10.4095/314498 Open Access logo Open Access
Image
Year2019
PublisherNatural Resources Canada
Documentopen file
Lang.English
Mediadigital; on-line
File formatpdf
ProvinceNorthwest Territories
NTS106H/04SE
AreaMackenzie Mountains; Gayna River
Lat/Long WENS-129.7167 -129.6833 65.1333 65.1167
Subjectsstratigraphy; systematic stratigraphy; lithostratigraphy; stratigraphic analyses; stratigraphic nomenclature; bedrock geology; lithology; sedimentary rocks; carbonate rocks; dolostones; sandstones; structural features; folds; anticlines; Neoproterozoic; Tsezotene Formation; Katherine Group; Eduni Formation; Tawu Formation; Grafe River Formation; Etagochile Formation; Shattered Range Formation; Nainlin Formation; Franklin Mountain Formation; Abraham Plains Formation; McClure Formation; Phanerozoic; Paleozoic; Cambrian; Precambrian; Proterozoic
Illustrationsstratigraphic charts; location maps; stratigraphic columns; stratigraphic sections; photographs
ProgramGEM2: Geo-mapping for Energy and Minerals Mackenzie Corridor, Shield-to-Selwyn geo-transect, Mackenzie-Selwyn sub-activity
Released2019 03 18
AbstractReconnaissance section FNA16A documents a well-exposed section through the Neoproterozoic Katherine Group and Cambrian Nainlin Formation along a creek in southwest Sans Sault Rapids map area (NTS 106H), northern Mackenzie Mountains, Northwest Territories. It provides a useful control point for the character and thickness of units not typically well-exposed in the northern Mackenzie Mountains, and will assist in the mapping of these units. The described units include: the uppermost Tsezotene Formation (interbedded mudrock, dolostone, and sandstone), the Eduni Formation (sandstone dominated), Tawu Formation (interbedded mudrock and sandstone), the Grafe River Formation (sandstone dominated), the Etagochile Formation (mudrock, sandstone, and dolostone), the Shattered Range Formation (sandstone dominated), the Nainlin Formation (red-weathering mudrocks and minor sandstone), and the lowermost beds of the Franklin Mountain Formation (dolostone). Identification of the recessive intervals within Tawu and Etagochile formations is important for the mapping of the formations of the lower Katherine Group.
Summary(Plain Language Summary, not published)
This report documents observations of the Neoproterozoic Katherine Group at a well exposed section in the northern Mackenzie Mountains. The section provides a point of comparison to assist bedrock mapping. Features visible in the section have implications for the recognition of the formation-level subdivisions of the Katherine Group in northern Mackenzie Mountains.
GEOSCAN ID314498

 
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