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TitleThe Great Bear magmatic zone (Canada): the IOCG spectrum and related deposit types
AuthorCorriveau, LORCID logo; Mumin, H; Montreuil, J -F
SourceProceedings of the 11th SGA Biennial Meeting of The Society for Geology Applied to Ore Deposits; 2011 p. 524-526
LinksOnline - En ligne
Alt SeriesEarth Sciences Sector, Contribution Series 20110072
Meeting11th Biennial SGA Meeting of The Society for Geology Applied to Ore Deposits; Antofagasta; CL; September 26-29, 2011
Mediapaper; on-line; digital
File formatpdf
ProvinceNorthwest Territories
NTS85N; 86C; 86E; 86F; 86K
AreaPort Radium; Echo Bay
Lat/Long WENS-118.5000 -117.0000 66.7500 63.2500
Subjectseconomic geology; mineral deposits; mineral occurrences; mineralization; iron oxides; copper; gold; alteration; hydrothermal alteration; Great Bear Magmatic Zone; NICO
Illustrationslocation maps
ProgramGEM: Geo-mapping for Energy and Minerals Iron-oxide Copper-gold (IOCG) / Multiple Metals - Great Bear Lake (NWT)
Released2011 01 01
AbstractThe 1.87-1.84 Ga Great Bear magmatic zone is the most prospective belt for iron oxide copper-gold ± uranium deposits currently recognized in Canada. It hosts the 31 Mt Au-Co-Bi-Cu NICO deposit (atypical magnetitegroup IOCG deposit), the 8 Mt Cu-Ag-Au Sue Dianne deposit (typical magnetite- to hematite-group IOCG deposit), and a great variety of associated deposits and prospects. Collectively they span the entire spectrum of IOCG and related deposit types, and demonstrate that the Great Bear magmatic zone is a large-scale IOCG province with major untested exploration potential for base, precious, strategic and nuclear metals. It also
provides a predictive model that is a powerful tool in the search for new deposits.

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