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TitleGeology, Qulliq, Victoria Island, Northwest Territories
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AuthorBédard, J H; Rainbird, R H; Beard, C
SourceGeological Survey of Canada, Canadian Geoscience Map 189, 2015, 1 sheet, https://doi.org/10.4095/297278
Year2015
PublisherNatural Resources Canada
Editionprelim.
Documentserial
Lang.English
Maps1 map
Map Info.geological, bedrock and structural geology, 1:50,000
ProjectionUniversal Transverse Mercator Projection, zone 11 (NAD83)
Mediaon-line; digital
File formatreadme
File formatpdf; shp; xml; rtf; xls
ProvinceNorthwest Territories
NTS87G/01; 87F/16NE; 87F/16NW
AreaVictoria Island; Qulliq; Tatiik; Tahiluak; Imainnilik
Lat/Long WENS-117.0000 -116.0000 71.2500 70.9833
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; Franklin Intrusions; Natkusiak Formation; Shaler Supergroup; Kilian Formation; Kuujjua Foramtion; Wynniatt Formation; Precambrian; Proterozoic
ProgramWestern Arctic Project Management, GEM2: Geo-mapping for Energy and Minerals
Image
Released2015 12 14
AbstractNTS 87-G/1 is underlain by shallowly dipping sedimentary rocks of the upper Wynniatt, Kilian, and Kuujjua formations of the Neoproterozoic Shaler Supergroup, intercalated Franklin sills, and by basaltic lavas of the Natkusiak Formation, which define the northern flank of the Holman Island Syncline. Carbonate rocks of the upper Wynniatt Formation are well exposed near the coast of Minto Inlet, where they are cut by two thick diabase sills, and by prominent east-northeast striking normal faults. Carbonate, shale, and evaporitic rocks of the Kilian Formation are exposed beneath thick capping sills that form a series of cuestas. A northwest-trending fault zone near the eastern edge of the map truncates sills and guided ascent of basaltic dykes, some of which have meter-scale semi-massive sulfides concentrated at their contacts. Rocks of the Upper Kilian and Kuujjua formations are well exposed in a cliff near the southern edge of the map area. The cliff top and plateau to the south expose basal and sheet flow units of the Natkusiak Formation.
Summary(Plain Language Summary, not published)
Bedrock map of sheet NTS 87G01 shows distribution of rock units
GEOSCAN ID297278