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TitlePreliminary results of a Magnetotelluric survey in the Chantrey-Thelon area; GEM-2 Thelon tectonic zone project
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AuthorRoberts, B; Craven, J A; Berman, R G; Roots, E
SourceGeological Survey of Canada, Open File 7931, 2015, 29 pages, https://doi.org/10.4095/297426
Year2015
PublisherNatural Resources Canada
Documentopen file
Lang.English
Mediaon-line; digital
File formatpdf
ProvinceNunavut
NTS76H; 76I
AreaBack River; Ellice River
Lat/Long WENS-106.0000 -104.0000 67.0000 65.0000
Subjectsstratigraphy; geophysics; structural geology; bedrock geology; analytical methods; structural interpretations; mineral potential; geophysical interpretations; magnetic anomalies; magnetotelluric interpretations; modelling; models; magnetic modelling; aeromagnetic interpretation; aeromagnetic surveys; conductivity; Thelon Tectonic Zone; Queen Maud block; Rae craton; Slave Province; Precambrian; Proterozoic
Illustrationslocation maps; photographs; tables; plots; models
ProgramRae Province, Chantrey-Thelon, GEM2: Geo-mapping for Energy and Minerals
Released2015 12 10
Summary(Plain Language Summary, not published)
The Thelon tectonic zone (TTZ) project is part of the second phase of the Geo-mapping for Energy and Minerals program (GEM-2) in which a multi-disciplinary approach is being used to better understand the geological history and crustal architecture in this zone. The TTZ occurs at the western margin of the Rae craton in Nunavut, separating the Slave from the Churchill (Rae) structural provinces. A total of 22 broadband magnetotelluric (MT) sites were collected, primarily along two approximately East-West transects, during the summer of 2014. The MT method provides information on the electrical conductivity of the subsurface. A 2D model along the Southern transect and a 3D model utilizing all but one of the sites have been created, and these can be compared to aeromagnetic and geological observations.
GEOSCAN ID297426