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TitleBedrock geology, Erly Lake, Northwest Territories-Nuvanut, NTS 97-A
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LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorRainbird, R HORCID logo
SourceGeological Survey of Canada, Canadian Geoscience Map 378, 2019, 1 sheet, https://doi.org/10.4095/313540 Open Access logo Open Access
Image
Year2019
Alt SeriesNorthwest Territories Geological Survey, NWT Open File 2019-02
PublisherNatural Resources Canada
PublisherGovernment of Northwest Territories
Documentserial
Lang.English
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
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); tif; png
ProvinceNorthwest Territories; Nunavut
NTS97A
AreaErly Lake; Hornaday River
Lat/Long WENS-124.0000 -120.0000 69.0000 68.0000
Subjectsregional geology; stratigraphy; structural geology; surficial geology/geomorphology; bedrock geology; lithology; sedimentary rocks; igneous rocks; intrusive rocks; mafic intrusive rocks; structural features; faults; folds; joints; fractures; lineations; bedding planes; postglacial deposits; colluvial deposits; alluvial fans; glacial deposits; tills; glacial features; glacial striations; Brock Inlier; Mesoproterozoic; Neoproterozoic; Hume Formation; Bear Rock Formation; Franklin Mountain Formation; Saline River Formation; Mount Cap Formation; Mount Clark Formation; Franklin Diabase; Shaler Supergroup; Minto Inlet Formation; Jago Bay Formation; Fort Collinson Formation; Boot Inlet Formation; Grassy Bay Formation; Aok Formation; Nelson Head Formation; Mikkelsen Islands Formation; Escape Rapids Formation; alluvial floodplain sediments; glaciofluvial sediments; hummocky tills; ridged tills, moraine; till veneer; till blanket; Phanerozoic; Cenozoic; Quaternary; Mesozoic; Cretaceous; Paleozoic; Devonian; Silurian; Ordovician; Cambrian; Precambrian; Proterozoic
Illustrationslocation maps; index maps; photographs
ProgramGEM2: Geo-mapping for Energy and Minerals Mackenzie Corridor, Shield to Selwyn
ProgramPolar Continental Shelf Program
Released2019 11 06
AbstractMapping was carried out in parallel with detailed stratigraphic and sedimentological studies mainly focused along the Hornaday River, Northwest Territories and its tributaries, during a three-week period in late July and August of 2015. The map covers the southern part of the Brock Inlier, an uplifted, mildly folded and faulted region of mainly Mesoproterozoic to Neoproterozoic (Stenian-Tonian) sedimentary rocks of the Shaler Supergroup and Neoproterozoic (Cryogenian) mafic intrusive rocks, surrounded and draped by early Paleozoic (Cambrian-Devonian) and Cretaceous sedimentary rocks. The geological interpretation was aided by 2D and 3D visualization of moderate-resolution satellite imagery (Spot 5 and RapidEye-5m panchromatic).
Summary(Plain Language Summary, not published)
Bedrock geology of the southern Brock Inlier is intended to be an update of GSC Preliminary Map 5-1969 by D.G. Cook and J.D. Aitken (1969). Highlights new stratigraphic units of the Proterozoic Shaler Supergroup and incorporates subsequent mapping by Jones et al., 1992. Much of the geological interpretation was aided by 3D visualization of moderate-resolution satellite imagery (RapidEye-5m panchromatic).
GEOSCAN ID313540

 
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