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TitleOrigin of hydrothermal sulphide and dolomite mineralizing fluids in southern Northwest Territories and northern Alberta
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AuthorGleeson, S A; Gromek, P
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. 61-73, https://doi.org/10.4095/222919 (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
ProvinceNorthwest Territories; Alberta
NTS74D/09; 74D/10; 74D/11; 74D/12; 74D/13; 74D/14; 74D/15; 74D/16; 74E; 74L; 74M; 75D; 75E; 84A/09; 84A/10; 84A/11; 84A/12; 84A/13; 84A/14; 84A/15; 84A/16; 84B/09; 84B/10; 84B/11; 84B/12; 84B/13; 84B/14; 84B/15; 84B/16; 84C/09; 84C/10; 84C/11; 84C/12; 84C/13; 84C/14; 84C/15; 84C/16; 84D/09; 84D/10; 84D/11; 84D/12; 84D/13; 84D/14; 84D/15; 84D/16; 84E; 84F; 84G; 84H; 84I; 84J; 84K; 84L; 84M; 84N; 84O; 84P; 85A; 85B; 85C; 85D; 85E; 85F; 85G; 85H
Areasouth-central Northwest Territories; Great Slave Lake; Hay River; Deep Bay; Buffalo Lake; Windy Point; northern Alberta; Clearwater River; Peace River; Birch River; Buffalo Head Hills; Birch Mountains
Lat/Long WENS-120.0000 -110.0000 62.0000 56.5000
Subjectseconomic geology; sedimentology; geochemistry; mineral deposits; mineral potential; Mississippi Valley deposits; lead zinc deposits; hydrothermal deposits; sedimentary ore deposits; mineralization; paragenesis; fluid inclusions; sedimentary rocks; carbonate rocks; dolomites; sulphides; limestones; calcite; base metals; base metal geochemistry; base metal deposits; lead; zinc; brine; geochemical analyses; bulk composition; source rocks; solution; evaporation; sea water geochemistry; meteoric waters; water salinity; depositional history; fluid migration; fluid flow; alteration; precipitation; deposition; diagenesis; dolomitization; recrystallization; marcasite; pyrite; sphalerite; galena; organic materials; bitumen; fracturing; sulphur; fracture filling deposits; phase determination; potassium; bromine; chlorine; sodium; lithium; calcium; feldspar; mica; clays; strontium; barium; gypsum; Interior Plain; Canadian Shield; Western Canada Sedimentary Basin; Great Slave Plain; Pine Point ore district; Great Slave Reef property; Hay West property; Windy Point property; Qito property; Pine Point property; Presqu'ile Dolomite; Grosmont Formation; Muskeg Formation; carbonate-hosted deposits; solute composition; halogen composition; fluid mixing; crush-leach analyses; water-rock interaction; dissolution; dilution; vug-fills; fluid origins; Phanerozoic; Mesozoic; Cretaceous; Paleozoic; Devonian; Precambrian; Proterozoic
Illustrationssketch maps; tables; histograms; geochemical plots
ProgramTargeted Geoscience Initiative (TGI-1), 2000-2003
Released2006 12 21
AbstractBulk fluid-inclusion analyses were carried out on matrix dolomite, sulphides, coarse-grained dolomite and late-stage calcite from Great Slave Reef, Hay West, Windy Point and Qito mineral properties in Northwest Territories and selected areas in northern Alberta. The study shows that there is no systematic difference in the major solute sources in any phase from early to late in the paragenesis or spatially throughout the study area. The halogen compositions of all the samples indicate that the bulk of the fluids originated as highly evaporated seawater. However, some of the coarse dolomite and all the late-stage calcite samples show evidence for mixing between this saline fluid and a dilute, probably meteoric, water.
GEOSCAN ID222919