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TitleUnravelling the structural control of Mississippi Valley-type deposits and prospects in carbonate sequences of the Western Canada Sedimentary Basin
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AuthorPana, D
SourcePotential for carbonate-hosted lead-zinc Mississippi Valley-type mineralization in northern Alberta and southern Northwest Territories: geoscience contributions, Targeted Geoscience Initiative; by Hannigan, P K (ed.); Geological Survey of Canada, Bulletin no. 591, 2006 p. 255-304, https://doi.org/10.4095/222944 (Open Access)
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Year2006
PublisherNatural Resources Canada
Documentserial
Lang.English
Mediapaper; CD-ROM; on-line; digital
RelatedThis publication is contained in Hannigan, P K; (2006). Potential for carbonate-hosted lead-zinc Mississippi Valley-type mineralization in northern Alberta and southern Northwest Territories: geoscience contributions, Targeted Geoscience Initiative, Geological Survey of Canada, Bulletin no. 591
RelatedThis publication is contained in Hannigan, P K; (2006). Potential for carbonate-hosted lead-zinc Mississippi Valley-type mineralization in northern Alberta and southern Northwest Territories: geoscience contributions, Targeted Geoscience Initiative, Geological Survey of Canada, Bulletin no. 591
File formatpdf (Adobe® Reader® v. 6.0, is included / est fourni); pdf
ProvinceAlberta; Northwest Territories; British Columbia
NTS72E; 72L; 72M; 73D; 73E; 73L; 73M; 74D; 74E; 74L; 74M; 75D; 75E; 82G; 82H; 82I; 82J; 82K; 82M; 82N; 82O; 82P; 83; 84; 85A; 85B; 85C; 85D; 85E; 85F; 85G; 85H; 93A; 93H; 93I; 93J; 93O; 93P; 94A; 94B; 94C; 94F; 94G; 94H; 94I; 94J; 94K; 94N; 94O; 94P; 95A; 95B; 95C; 95F; 95G; 95H
Areanorthwestern Alberta; Vermilion Chutes; Harper Creek; Fort McMurray; Whitemud Falls; Athabasca River; Clearwater River; Canadian Rocky Mountains; southwestern Northwest Territories; Great Slave Lake; Pine Point; Hay River
Lat/Long WENS-126.0000 -110.0000 62.0000 49.0000
Subjectsstructural geology; economic geology; sedimentology; geochemistry; structural controls; structural analysis; mineral potential; mineral exploration; exploration guidelines; mineral deposits; sedimentary ore deposits; Mississippi Valley deposits; lead zinc deposits; lead; zinc; metals; mineral occurrences; sedimentary basins; sedimentary rocks; carbonate rocks; dolomites; calcite; fluid flow; flow structures; mineralization; dolomitization; models; basement geology; structural features; faults; faults, extension; faults, thrust; fractures; lineaments; strain; geometric analyses; alteration halos; leaching; fluid inclusions; salinity; thermal analyses; anomalies; thermal regimes; convection; temperature; traps; porosity; pore fluids; sea water geochemistry; brine; groundwater circulation; aquifers; hydraulic analyses; deposition; depositional models; meteoric waters; tectonic setting; paragenesis; geochemical interpretations; isotopic studies; stable isotope studies; oxygen isotopes; hydrogen isotopes; radioisotopes; strontium strontium ratios; stratigraphic analyses; metallogeny; reefs; breccias; kinematic analysis; structural domains; sulphides; Interior Plain; Western Canada Sedimentary Basin; Canadian Cordillera; Laramide Orogeny; Elk Point Basin; Macdonald Platform; Selwyn Basin; Tintina Trench; Old Man River prospect; Lewis Thrust; Hawk Creek prospect; Baker Creek prospect; Eldon prospect; Kicking Horse deposit; Monarch deposit; McCusker Thrust Zone; Robb Lake prospect; Pine Point Lead Zinc Deposit; Great Slave Shear Zone; McDonald Fault; Mikkwa Formation; Waterways Formation; McMurray Formation; Tathlina Fault; Rabbit Lake Fault; Hay River Fault; Warren Shear Zone; Allan Shear Zone; Black Bay Shear Zone; Peace River Arch; Presqu'ile Barrier; Grease River Shear Zone; Margurite River Shear Zone; Grosmont Reef Complex; Peace River Fringing Reef; Snowbird Tectonic Zone; Rimbey-Meadowbrook Reef Chain; Winborne-Bashaw Reef; Margin Reef Complex; carbonate-hosted deposits; foreland basins; thermal anomalies; secondary porosity; coarse dolomites; saddle dolomites; caprocks; hydraulic pumping; hydrothermal fluids; deuterium; fluid convection; Phanerozoic; Mesozoic; Cretaceous; Paleozoic; Devonian; Cambrian; Precambrian; Proterozoic
Illustrationssketch maps; photographs; cross-sections; tables; schematic diagrams; stratigraphic charts; plots; graphs; models
ProgramTargeted Geoscience Initiative (TGI-1), 2000-2003
Released2006 12 21
AbstractRe-examination of selected MVT outcrops and cores in the Interior Plains and Rocky Mountains of Alberta, corroborated with previous paragenetic, isotopic and structural data, suggests Laramide structural channelling of dolomitizing and mineralizing fluids into strained carbonate rocks. At Pine Point, extensional faults underlying the trends of MVT ore bodies and brittle faults overprinting the Great Slave
Lake Shear Zone define a pinnate fault geometry and appear to be kinematically linked. Chemical and isotopic characteristics of MVT parental fluids are consistent with seawater and brine convection within fault-confined vertical aquifers, strong water-basement rock interaction, metal leaching from the basement, and focused release of hydrothermal fluids within linear zones of strained carbonate caprocks. Zones of recurrent strain in the basement and a cap of carbonate strata constitute the critical criteria forMVTexploration target selection in the WCSB.
GEOSCAN ID222944