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TitleGeological setting of Ag-Pb-Zn veins in the Purcell Basin, British Columbia
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AuthorPaiement, J -P; Beaudoin, G; Paradis, S
SourceGeological Survey of Canada, Current Research (Online) no. 2007-A4, 2007, 10 pages, https://doi.org/10.4095/223693 (Open Access)
Year2007
PublisherNatural Resources Canada
Documentserial
Lang.English
Mediaon-line; digital
File formatpdf (Adobe Acrobat Reader)
ProvinceBritish Columbia
NTS82F/01; 82F/02; 82F/07; 82F/08; 82F/09; 82F/10; 82F/15; 82F/16; 82G/02; 82G/03; 82G/04; 82G/05; 82G/06; 82G/07; 82G/10; 82G/11; 82G/12; 82G/13; 82G/14; 82J/03; 82J/04; 82J/05; 82J/12; 82K/01; 82K/02; 82K/07; 82K/08; 82K/09; 82K/10; 82K/15; 82K/16
AreaCreston; Fort Steele; Cranbrook; Kimberley; Invermere
Lat/Long WENS-117.0000 -114.5000 51.0000 49.0000
Subjectseconomic geology; geochemistry; mineral deposits; vein deposits; stratiform deposits; silver; lead; zinc; structural features; faults; faults, normal; faults, thrust; intrusions; galena; sphalerite; pyrite; pyrrhotite; tetrahedrite; chalcopyrite; gangue minerals; quartz; brecciation; sedimentary basins; petrographic analyses; isotopic studies; argon argon dates; mineralogical analyses; lead zinc deposits; Purcell Basin; Belt Basin; Purcell Supergroup; Mount Nelson Formation; Dutch Creek Formation; Gateway Formation; Nicol Creek Formation; Van Creek Formation; Kitchener Formation; Creston Formation; Aldridge Formation; Fort Steele Formation; Ptarmigan deposit; Paradise deposit; Delphine deposit; Hot Punch deposit; Mineral King deposit; Charlemont deposit; Estella deposit; Dardenelle deposit; Kootenay King deposit; Big Chief deposit; Fisher deposit; Victor deposit; Rice deposit; Shorty Creek deposit; Anderson deposit; Vine deposit; Midway deposit; Virginia deposit; Élise deposit; Midas deposit; Star deposit; Dean-Allover deposit; Mesoproterozoic; massive sulphide deposits; deposit descriptions; vein classifications; lead isotopes; Phanerozoic; Mesozoic; Cretaceous; Precambrian; Proterozoic
Illustrationssketch maps; tables; stratigraphic charts; photographs
ProgramTargeted Geoscience Initiative (TGI-3), 2005-2010
ProgramNSERC Natural Sciences and Engineering Research Council of Canada
Released2007 05 01
AbstractThe Proterozoic Purcell Basin in Canada (Belt Basin in U.S.A.) contains numerous Ag-Pb-Zn vein deposits and stratiform massive sulphide Pb-Zn-Ag deposits. In the Coeur d'Alene district in Idaho, veins have been divided in two types: Proterozoic Pb-Zn-rich veins and Mesozoic Ag-Pb-Zn rich veins. Based on previous Pb-isotope work, the vein deposits of the Purcell Supergroup in British Columbia can be divided into the same two groups. Representative veins of the Purcell Supergroup having a Proterozoic and Mesozoic Pb-isotope signature were sampled during the 2006 field season and are described in this paper. Preliminary results show that the Pb-Zn-rich veins are massive and only present in the Aldridge Formation, and the Ag-Pb-Zn-rich veins mainly consist of galena in a quartz gangue, and crosscut various strata of the Purcell Supergroup. Further work will attempt to characterize the sources of the mineralizing fluids, and the
O, S, C, and Pb isotopic composition in both types of veins and compare them to the Coeur d'Alène district in Idaho, U.S.A.
GEOSCAN ID223693