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TitleGeology, Boot Inlet, Victoria Island, Northwest Territories
LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorBédard, J H; Rainbird, R HORCID logo; Hayes, B
SourceGeological Survey of Canada, Canadian Geoscience Map 192, 2015, 1 sheet, Open Access logo Open Access
PublisherNatural Resources Canada
Maps1 map
Map Info.geological, bedrock and structural geology, 1:50,000
ProjectionUniversal Transverse Mercator Projection, UTM zone 11 (NAD83)
Mediaon-line; digital
RelatedNRCan photo(s) in this publication
File formatreadme
File formatpdf; shp; xml; rtf; xls
ProvinceNorthwest Territories
AreaVictoria Island; Boot Inlet
Lat/Long WENS-118.0000 -117.0000 71.5000 71.3500
Subjectsstratigraphy; structural geology; bedrock geology; sedimentary rocks; marine deposits; sandstones; dolostones; limestones; siltstones; shales; evaporites; carbonates; igneous rocks; volcanic rocks; dykes; sills; faults; intrusive rocks; structural features; Uvayualuk Formation; Franklin Intrusions; Shaler Supergroup; Reynolds Point Group; Jago Bay Formation; Fort Collinson Foramtion; Boot Inlet Formation; Precambrian; Proterozoic
ProgramGEM: Geo-mapping for Energy and Minerals PGE/Base Metals - Victoria Island (NWT and Nunavut)
Released2015 12 16
AbstractNTS 87-G/7 is mostly underlain by Neoproterozoic rocks of the Shaler Supergroup, intruded by Franklin mafic and untramafic sills. Dolostone dominates the Boot Inlet and Jago Bay Formations, quartz-rich sandstone dominates the Fort Collinson Formation, whereas gypsum evaporites typify the Minto Inlet Formation. These gently south-dipping strata form the southern flank of the Walker Bay Anticline. North-northwest trending (syn-magmatic Proterozoic) and east-northeast trending (post-Proterozoic) normal faults are ubiquitous, breaking up the outcrop pattern into polygonal blocks. Franklin intrusions belong to two magmatic series. Type 1 sills may have a peridotitic base and seem to have been preferentially emplaced just above the Fort Collinson sandstones. Thick Type 2 sills are commonly feldspar porphyritic, occur throughout the section, and form the crest of the Collingwood Hills. Dykes have planar to irregular contacts, some being localized along North-northwest trending faults. Paleozoic rocks outcrop in the westernmost part of the map area.
Summary(Plain Language Summary, not published)
geology map of Sheet 87 G 07 Victoria Island NWT

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