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TitleBedrock geology, Lac Maunoir, Northwest Territories
LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorFallas, K MORCID logo
SourceGeological Survey of Canada, Canadian Geoscience Map 311, 2018, 1 sheet, Open Access logo Open Access
PublisherNatural Resources Canada
Maps1 map
Map Info.geological, bedrock geology, 1:250,000
ProjectionUniversal Transverse Mercator Projection, UTM zone 10 (NAD83)
Mediaon-line; digital
RelatedNRCan photo(s) in this publication
RelatedFor all publications in this group, see the following publications
File formatreadme
File formatpdf (Adobe® Reader®); rtf; gdb (ESRI® ArcGIS(TM) v.10.x); shp (ESRI® ArcGIS(TM) v.10.x); xml (ESRI® ArcGIS(TM) v.10.x); mxd (ESRI® ArcGIS(TM) v.10.x); xls (Microsoft® Excel® 2010)
ProvinceNorthwest Territories
AreaLac Maunoir; Colville LAke; Anderson River; Sahtu Settlement Area; Colville Hills
Lat/Long WENS-126.0000 -124.0000 68.0000 67.0000
Subjectsregional geology; surficial geology/geomorphology; geophysics; paleontology; fossil fuels; economic geology; bedrock geology; lithology; sedimentary rocks; conglomerates; sandstones; shales; mudstones; arenites; carbonates; limestones; dolostones; evaporites; gypsum; anhydrite; oolites; brecciation; basement geology; sedimentary structures; structural features; faults; faults, thrust; faults, reverse; folds; anticlines; synclines; monoclines; unconformities; systematic stratigraphy; stratigraphic analyses; stratigraphic correlations; bedding planes; biostratigraphy; fossils; seismic data; seismic reflection surveys; seismic interpretations; structural analyses; structural interpretations; tectonic interpretations; deformation; sediments; sands; gravels; muds; glacial deposits; glacial landforms; glacial features; hummocks; eskers; fluvial deposits; provenance; pebble lithology; petroleum resources; petroleum occurrence; oil; gas; exploration wells; oil wells; well locations; sand, commodity; gravel, commodity; Paleogene; Eocene; Goshodedele Fault; Lugewa Fault; Summit Creek Formation; Martin House Formation; Arctic Red Formation; Slater River Formation; Bear Rock Assemblage; Delorme Group; Bear Rock Formation; Arnica Formation; Landry Formation; Mount Kindle Formation; Franklin Mountain Formation; Saline River Formation; Mount Cap Formation; Mount Clark Formation; Maunoir Arch; Mackenzie Plain; Langton Bay Formation; Anderson Plain; Laurentide Ice Sheet; Cordilleran Orogen; Lac Maunoir C-34 Well; Ronning Group; Phanerozoic; Cenozoic; Quaternary; Tertiary; Mesozoic; Cretaceous; Paleozoic; Devonian; Silurian; Ordovician; Cambrian; Precambrian; Proterozoic
Illustrationslocation maps; index maps; geoscientific sketch maps; schematic cross-sections; photographs
ProgramGEM2: Geo-mapping for Energy and Minerals Mackenzie Corridor, Shield to Selwyn
ProgramPolar Continental Shelf Program
Released2018 03 01
AbstractThe Lac Maunoir map area (NTS 96-N) lies within the Colville Hills region of the Northwest Territories. Sparse bedrock exposures in the area include carbonate and siliciclastic strata ranging from Cambrian to Paleogene. These strata were deformed in the Cretaceous to Eocene by folding and contractional faulting associated with Cordilleran deformation. A pre-Cordilleran set of approximately north-trending extensional faults are preserved within subsurface Proterozoic and Cambrian strata, and were locally reactivated by Cordilleran deformation. A major unconformity between Devonian and Cretaceous strata is marked by tilted Paleozoic strata beneath the Cretaceous, and the absence of Devonian strata in the eastern part of the map area. Oil has been reported from petroleum exploration wells drilled into Mount Clark Formation (Cambrian) sandstone.
Summary(Plain Language Summary, not published)
This publication is a new bedrock interpretation at 1:250,000 scale for the Lac Maunoir map area (NTS 96N). Stratigraphic and structural features have been reinterpreted based on field observations, petroleum exploration well data, and reflection-seismic data.

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