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TitleCarbonate-hosted Zn-Pb deposits in southern British Columbia - potential for Irish-type deposits
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AuthorParadis, S
SourceGeological Survey of Canada, Current Research (Online) no. 2007-A10, 2007, 9 pages, https://doi.org/10.4095/224161 (Open Access)
Year2007
PublisherNatural Resources Canada
Documentserial
Lang.English
Mediaon-line; digital
File formatpdf (Adobe® Reader®)
ProvinceBritish Columbia
NTS82E; 82F; 82G; 82J; 82K; 82L; 82M; 82N; 82O
Areasoutheastern British Columbia; Purcell Mountains; Revelstoke
Lat/Long WENS-120.0000 -114.0000 52.0000 49.0000
Subjectseconomic geology; structural geology; igneous and metamorphic petrology; Lower Cambrian; mineral deposits; lead zinc deposits; sedimentary ore deposits; strata-bound deposits; stratiform deposits; sulphide deposits; sedimentary rocks; carbonate rocks; lead; zinc; cadmium; silver; sulphides; sphalerite; galena; pyrite; pyrrhotite; arsenopyrite; mineralization; alteration; dolomitization; silicification; deformation; structural features; folds, isoclinal; mineral deposits genesis; Kootenay Arc; Badshot Formation; Laib Formation; Reeves member; Kootenay Terrane; North American Miogeocline; carbonate-hosted sulphide deposits; Irish-type carbonate-hosted zinc-lead deposits; Phanerozoic; Paleozoic; Cambrian
Illustrationssketch maps; tables; stratigraphic correlations
ProgramTargeted Geoscience Initiative (TGI-3), 2005-2010
Released2007 08 01
AbstractCarbonate-hosted Zn-Pb deposits of the Kootenay Arc are hosted by deformed Lower Cambrian, platformal carbonate rocks of the Badshot Formation or its equivalent, the Reeves member of the Laib Formation. The deposits range in size from 6 to 10Mt and contain 3 to 4%Zn, 1 to 2%Pb, 0.4% Cd, and traces of Ag. They are essentially stratabound and stratiform lenticular concentrations of sulphide minerals
(sphalerite, galena, pyrite, local pyrrhotite, and rare arsenopyrite) in isoclinally folded dolomitized or silicified carbonate rocks. The origin of these deposits is enigmatic. Some are analogous in their geological setting and features to the Irish-type carbonate-hosted Zn-Pb deposits.
GEOSCAN ID224161