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TitleTill geochemical signatures of volcanogenic massive sulphide deposits in glaciated terrain: a summary of Canadian examples
AuthorMcClenaghan, M B; Peter, J M
SourceGeological Survey of Canada, Open File 7354, 2013, 36 pages, (Open Access)
LinksCanadian Database of Geochemical Surveys, downloadable files
LinksBanque de données de levés géochimiques du Canada, fichiers téléchargeables
PublisherNatural Resources Canada
Documentopen file
Mediaon-line; digital
File formatrtf; pdf
ProvinceBritish Columbia; Alberta; Saskatchewan; Manitoba; Ontario; Quebec; New Brunswick; Nova Scotia; Prince Edward Island; Newfoundland and Labrador; Northwest Territories; Yukon; Nunavut
NTS1; 2; 3; 10; 11; 12; 13; 14; 15; 16; 20; 21; 22; 23; 24; 25; 26; 27; 28; 29; 30; 31; 32; 33; 34; 35; 36; 37; 38; 39; 40; 41; 42; 43; 44; 45; 46; 47; 48; 49; 52; 53; 54; 55; 56; 57; 58; 59; 62; 63; 64; 65; 66; 67; 68; 69; 72; 73; 74; 75; 76; 77; 78; 79; 82; 83; 84; 85; 86; 87; 88; 89; 92; 93; 94; 95; 96; 97; 98; 99; 102; 103; 104; 105; 106; 107; 114O; 114P; 115; 116; 117; 120; 340; 560
AreaHalfmile Lake; Buchans; Bathurst; Timmins; Noranda; Manitouwadge; Flin Flon; Finlayson Lake; Hackett River; Izok Lake; Adams Lake; Myra Falls; Kaminak Lake
Lat/Long WENS-141.0000 -50.0000 90.0000 41.7500
Subjectssurficial geology/geomorphology; economic geology; geochemistry; glacial deposits; tills; till geochemistry; till deposits; indicator elements; drift prospecting; dispersal patterns; sediment dispersal; mineralization; zinc; copper; lead; gold; silver; arsenic; bismuth; antimony; mercury; selenium; tin; cadmium; gallium; sulphur; barium; volcanogenic deposits; sulphide deposits; exploration methods; ice flow; dispersal patterns; weathering; analytical methods; isotopes; lead lead dates; Bathurst Mining Camp; Halfmile Lake Deposit; Buchans Mining Camp; New Bay Pond VMS Deposit; Noranda Mining Camp; Val d'Or Mining Camp; Timmins Mining Camp; Kidd Creek Deposit; Kam Kotia Deposit; Jameland Deposit; Manitouwadge Mining Camp; Flin Flon Mining Camp; Snow Lake Mining Camp; Lynn Lake Mining Camp; Finlayson Lake Camp; Hackett River Deposit; Yava Deposit; Izok Lake Deposit; indicator minerals; Cenozoic; Quaternary
Illustrationslocation maps; plots; cross-sections; photographs
ProgramGEM: Geo-mapping for Energy and Minerals, GEM Tri-Territorial information management & databases (Tri-Territorial Indicator Minerals Framework)
ProgramTargeted Geoscience Initiative (TGI-4), Volcanogenic Massive Sulfide Ore Systems
Released2013 08 27 (13:00)
AbstractVolcanogenic massive sulphide deposits are a significant source of Cu, Pb, Zn, and Ag in Canada. In the glaciated landscape of Canada, till geochemistry is an important exploration method for VMS deposits. This open file report provides an overview of the >50 year history of the application of till geochemical methods to VMS exploration in Canada, and also summarizes appropriate size fractions of till to analyze, analytical techniques, and pathfinder elements. Geochemical methods are now well developed and widely used, most commonly employing the <0.063 mm till fraction and an extensive suite of VMS pathfinder elements, including Cu, Pb and Zn, Ag, Au, Tl, Sn, Se, Hg, In, Cd, Bi, As, Sb, and Ge. In order to detect the clastic glacial dispersal signal down-ice of a VMS deposit, collection and analysis of unoxidized to weakly oxidized till is optimal, whereas B-horizon soil is not. Case studies and examples of glacial dispersal patterns associated with VMS deposits from major mining camps and deposits across Canada are highlighted, including Buchans, Bathurst, Timmins, Noranda, Manitouwadge, Flin Flon, Finlayson Lake, Hackett River, and Izok Lake.
Summary(Plain Language Summary, not published)
This report provides a reveiw of the geochemical character of soil and glacial sediments that are associated with volcanogenic massive sulphide base metal deposits in Canada. Summaries of case studies and regional geocehmical surveys punlished by government agencies and industry over the past 50 years are provided along with an extensive reference list.