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TitleGeology, Imaiqtaqtuq, Victoria Island, Northwest Territories
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AuthorBédard, J H; Rainbird, R H; Dewing, K; Hadlari, T
SourceGeological Survey of Canada, Canadian Geoscience Map 191, 2015, 1 sheet, https://doi.org/10.4095/297280
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/02
AreaVictoria Island; Imaiqtaqtuq
Lat/Long WENS-118.0000 -117.0000 71.2500 71.0000
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; Thumb Mountain Formation; Victoria Island Formation; Mount Phayre Formation; Uvayualuk Formation; Franklin Intrusions; Shaler Supergroup; Kilian Formation; Wynniatt Foramtion; Precambrian; Proterozoic
ProgramWestern Arctic Project Management, GEM2: Geo-mapping for Energy and Minerals
Image
Released2015 12 14
AbstractNTS 87-G/02 is divided into fault-bounded domains by late north-trending (west-side down) and east-trending (north-side down) normal faults. Paleozoic sedimentary rocks of the Uvayualuk, Mount Phayre, Victoria Island, and Thumb Mountain formations are exposed along the coast to the west of the north-trending faults. Mostly Neoproterozoic sedimentary rocks of the upper Wynniatt and lower Kilian formations of the Shaler Supergroup (Minto Inlier) occur to the east of the north-trending faults. The northeast-trending, 4 km wide NE-trending Imaiqtaqtuq Fault Zone flanks the southeast coast of Minto Inlet, and records sinistral transtensional motions. Upper Wynniatt Formation limestones are injected by Type 1 and Type 2 Franklin sills near the coast, but only Type 2 sills are documented further south, where carbonate, shale, and evaporitic rocks of the Kilian Formation are well exposed beneath thick capping sills that form a series of south-dipping cuestas.
Summary(Plain Language Summary, not published)
Bedrock map of mapsheet 87/G2 Victoria island.
GEOSCAN ID297280