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TitleKnowledge-driven (KD) prospectivity model for IOCG deposits in the Great Bear Magmatic Zone, Northwest Territories and Nunavut, NTS 85-N and 86-C, F and K, and parts of NTS 85-M and 86-D, E and L
LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorKerswill, J A; Hayward, NORCID logo; Oneschuk, DORCID logo
SourceGeological Survey of Canada, Open File 8034, 2016, 1 sheet, Open Access logo Open Access
PublisherNatural Resources Canada
Documentopen file
Maps7 maps
Map Info.geophysical, 1:500,000
Map Info.location, 1:500,000
ProjectionUniversal Transverse Mercator Projection, UTM zone 11 (NAD83)
Mediaon-line; digital
File formatpdf
ProvinceNorthwest Territories
NTS85M/01; 85M/02; 85M/07; 85M/08; 85M/09; 85M/10; 85M/11; 85M/15; 85M/16; 85N; 86C; 86D/01; 86D/02; 86D/07; 86D/08; 86D/09; 86D/10; 86D/15; 86D/16; 86E/01; 86E/02; 86E/07; 86E/08; 86E/09; 86E/10; 86E/15; 86E/16; 86F; 86K; 86L/07; 86L/08; 86L/09; 86L/10; 86L/15; 86L/16
AreaLou Lake; Great Bear Lake; Lac La Martre
Lat/Long WENS-118.7500 -116.0000 67.0000 63.0000
Subjectsgeophysics; magnetotelluric surveys; magnetotelluric data; magnetotelluric interpretations; geophysical interpretations; magnetic field; magnetic interpretations; uranium; uranium thorium ratios; potassium; thorium-potassium ratios; Great Bear Magmatic Zone
ProgramGSC Pacific Division
Released2016 08 16
Summary(Plain Language Summary, not published)
The prospectivity model for the Great Bear magmatic zone is a prediction of regional mineral occurrences based on the geophysical properties of the rocks at known mineral occurrences. The geophysical properties include their magnetic character and their uranium, thorium and potassium concentrations, estimated from airborne geophysical surveys. In summary, with respect to sixty-one known IOCG occurrences, thirty-eight including all Port Radium and NICO zones, fall within just 3.75% of the total area covered by the prospectivity map. There are at least thirty areas with no known occurrences that have a high prospectivity score, which may represent high priority targets for additional exploration. There are more than 96 areas with no known occurrences that have a moderately high score, which may also represent valid exploration targets.

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