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TitleGeology and mineral potential of the southern Rae Craton, Northwest Territories, NTS 75-G and H
LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorMartel, E; Pehrsson, S J; Percival, J; Acosta-Góngora, P; Thiessen, E; Regis, D; Jamieson, D; Neil, B; Knox, B
SourceGeological Survey of Canada, Open File 8194, 2018, 1 sheet, Open Access logo Open Access
PublisherNatural Resources Canada
Documentopen file
Mediaon-line; digital
File formatpdf
ProvinceNorthwest Territories
NTS75G; 75H/03; 75H/04; 75H/05; 75H/06; 75H/11; 75H/12; 75H/13; 75H/14
Lat/Long WENS-108.0000 -105.0000 62.0000 61.0000
Subjectsregional geology; stratigraphy; structural geology; tectonics; economic geology; mineral deposits; mineral potential; uranium; gold; copper; diamond; bedrock geology; lithology; structural features; faults; shear zones; intrusions; dykes; garnet; tectonic setting; deformation; greenschist facies; Archean; Rae Craton; Howard Domain; Lynx Domain; Porter Domain; Penylan domain; McCann Domain; Firedrake domain; Snowbird Tectonic Zone; Mackenzie Dyke; Orpheous Dyke; Precambrian; Proterozoic
Illustrationslocation maps; geoscientific sketch maps; photographs
ProgramGEM2: Geo-mapping for Energy and Minerals South Rae Province Bedrock/Surficial geology
Released2018 02 21
Summary(Plain Language Summary, not published)
South Rae province in the Northwest Territories has seen little research since it was first mapped by canoe and float plane at reconnaissance scale in the 1950-1960s. Under the GEM2 program, the collaborative GSC-NTGS South Rae 1:250,000-scale bedrock mapping project is improving understanding of the evolution, economic potential and role of this region in assembly of the Canadian Shield. Field work in 2016 was focused in map sheet NTS 75G and the western half of 75H and covered over 17,500 km2 of previously unmapped ground. This mapping provides insights on six new, informally-named, geophysically and isotopically defined domains each with a distinct record of magmatic and tectono-metamorphic events and metallogenic potential. The domains have roughly northeast-southwest striking boundaries and are defined by crustal-scale structures that are marked by both high-strain ductile zones and discrete brittle faults, which appear to be the locus of multiple movements.

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