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TitleMagnetotelluric and teleseismic experiments as part of the Walmsley Lake project, Northwest Territories: experimental designs and preliminary results
LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorJones, A G; Snyder, DORCID logo; Spratt, J
SourceGeological Survey of Canada, Current Research (Online) no. 2001-C6, 2001, 16 pages, Open Access logo Open Access
PublisherNatural Resources Canada
Mediapaper; on-line; digital; CD-ROM
RelatedThis publication is contained in Current Research 2001, winter release
File formatpdf
ProvinceNorthwest Territories
AreaWalmsley Lake
Lat/Long WENS-110.0000 -108.0000 64.0000 63.0000
Subjectsgeophysics; economic geology; Archean; magnetotelluric interpretations; seismic interpretations; conductivity surveys; anomalies; geophysical interpretations; geophysical surveys; diamond; gold; mineral potential; Slave Craton; Thelon-Taltson Magmatic Zone; Precambrian; Phanerozoic
Illustrationssketch maps; tables
ProgramTargeted Geoscience Initiative (TGI-1), 2000-2003
Released2001 01 01
AbstractThe southeastern part of the Slave craton offers high potential for diamonds as well as possibly for base and pre- cious metals; however, the geology at the surface and geophysical properties at depth are poorly known compared to other parts of the craton, notably the Lac de Gras region. The Walmsley Lake project addresses this deficiency with collocated bedrock, isotopic, and geophysical data acquisition. This paper describes the initiation of the deep geophysical component of the project, and presents the preliminary qualitative results of the data from the magnetotelluric component. The main result at this early stage is the discovery of a large conductivity anomaly, likely within the Thelon-Talston magmatic zone, comparable to the North American Central Plains conductivity anomaly.

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