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TitleMetasomatic iron and alkali calcic (MIAC) system frameworks: a TGI-6 task force to help de-risk exploration for IOCG, IOA and affiliated primary critical metal deposits
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LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorCorriveau, LORCID logo; Montreuil, J -F; Blein, O; Potter, EORCID logo; Ansari, M; Craven, J; Enkin, RORCID logo; Fortin, RORCID logo; Harvey, B; Hayward, NORCID logo; Kellett, DORCID logo; Ouellet, M; Paradis, S; Regis, D; Sappin, A -AORCID
logo; Tschirhart, VORCID logo; Péloquin, S; Easton, R M; Maity, B; Conliffe, J; Moukhsil, A; Baldwin, G; Neyedley, K; Wade, C; Reid, A; Fabris, A; Hore, S; Robertson, K; Lisitsin, V; Dhnaram, C; Acosta-Góngora, P; Mansur, E; Quentin de Gromard, R; Kesley, D; Korhonen, F; Duuring, P; Ivanic, T; Goad, R; Adlakha, E; Daliran, F; Dare, S; Gervais, F; Huang, X -W; Kiefer, M; Piette-Lauzière, N; Savard, D; Zhao, X -F
SourceGeological Survey of Canada, Scientific Presentation 127, 2021, 105 pages, https://doi.org/10.4095/329093 Open Access logo Open Access
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Year2021
PublisherNatural Resources Canada
MeetingMetasomatic iron and alkali calcic (MIAC) system frameworks: a TGI-6 task force to help de-risk exploration for IOCG, IOA and affiliated primary critical metal deposits: Scientific Workshop; July 29, 2021
Documentserial
Lang.English
Mediadigital; on-line
RelatedThis publication contains the following publications
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ProvinceCanada; British Columbia; Alberta; Saskatchewan; Manitoba; Ontario; Quebec; New Brunswick; Nova Scotia; Prince Edward Island; Newfoundland and Labrador; Northwest Territories; Yukon; Nunavut; Canada; Northwest Territories; Nunavut; Ontario; Newfoundland and Labrador; Quebec; New Brunswick; Nova Scotia; Prince Edward Island; British Columbia
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; 85M; 85N; 86C; 86D; 86E; 86F; 86K; 86L; 31G/05; 31M/04; 41P/01; 41I; 41J; 41K; 31C; 31D; 31E; 31F; 23I; 23P; 75C; 75D; 75E; 75F; 75K; 75L; 13J; 13K; 13L; 13M; 13N; 13O; 92H; 92I; 92P
Areaworld; Great Bear Lake; Wha Ti; Gameti; Port Radium; Lac la Martre; Hottah Lake; Temagami; Ottawa; Sudbury; Lake Wanapitei; Sault Ste Marie; Perth; Bancroft; Minden; Pembroke; Tweed; Madoc; Labrador; Cape Breton Island; Boston; Rocky Mountains; Kimberley; Nelson; Fernie; Field; Queensland; Cloncurry; South Australia; New South Wales; Western Australia; Ravensthorpe; Southern Cross; Merredin; Corrigin; Hyden; Tibet; Canada; Australia; United States of America; Morocco; Mozambique; Cameroon; Brazil; Iran (Islamic Republic of); China
Lat/Long WENS-180.0000 180.0000 90.0000 -90.0000
Subjectseconomic geology; geophysics; structural geology; tectonics; geochemistry; mineralogy; igneous and metamorphic petrology; Science and Technology; Nature and Environment; Information and Communications; Education and Training; Economics and Industry; stratigraphy; geochronology; regional geology; mineral exploration; mineral potential; mineral deposits; metasomatic deposits; metals; iron oxides; copper; gold; apatite; uranium; silver; cobalt; bismuth; fluorine; molybdenum; niobium; nickel; lead; palladium; platinum; vanadium; tungsten; zinc; aluminum; arsenic; cadmium; rubidium; antimony; scandium; selenium; tin; strontium; tantalum; tellurium; yttrium; zirconium; ore mineral genesis; mineralization; ore controls; exploration methods; mapping techniques; modelling; models; tectonic setting; metamorphism; alteration; metallogeny; mineral associations; structural controls; host rocks; petrophysics; geophysical surveys; geophysical logging; phase equilibria; facies; gravity surveys; magnetic surveys; aeromagnetic surveys; magnetic susceptibility; densities; metasomatism; hematite; magnetite; trace element geochemistry; geophysical interpretations; magnetotelluric surveys; e m surveys; seismic surveys; e m interpretations; wireline logs; radiometric surveys; gamma-ray surveying; gamma-ray spectrometers; potassium; thorium-potassium ratios; uranium thorium ratios; total field magnetics; reserve estimates; mines; mining; mineral processing; resistivity surveys; anomalies; albitites; cordierite; bedrock geology; lithology; ironstone; breccias; structural features; faults; mine waste products; mineral industry; geologists; iron; sulphides; brecciation; veins; calcite; polymetallic ores; lithogeochemistry; magnetic interpretations; geochemical anomalies; orogenesis; accretion; intrusions; dykes; tectonostratigraphic zones; barium; fault zones; mineral occurrences; core samples; software; shear zones; magmatism; hydrothermal systems; hydrothermal deposits; paragenesis; alkalinity; magmatic deposits; chromium; phosphorus; petrogenesis; base metals; precious metals; craton; geodynamics; porphyries; geochemical analyses; mineralogical analyses; drillholes; titanium; chromite; mass spectrometer analysis; electron probe analyses; oxides; igneous rocks; mafic rocks; felsic rocks; sulphide deposits; mineral assemblages; volcanic rocks; felsic volcanic rocks; intrusive rocks; granites; metamorphic rocks; schists; alteration halos; basement geology; metamorphic facies; amphibolite facies; granulite facies; tectonic history; plate boundaries; terranes; isotopic studies; isotopes; Archean; thermodynamics; metasedimentary rocks; pressure-temperature conditions; actinolite; skarn deposits; carbonatites; fluorite; granitic rocks; pegmatites; leucogranites; mineral enrichment; magmas; Olympic Dam Deposit; Bayan Obo Deposit; NICO Deposit; Josette Deposit; Camsell River District; Great Bear Magmatic Zone; Southern Breccia; Sudbury-Wanapitei District; Huronian Gold Belt; Sault Ste Marie District; Huronian Supergroup; Superior Province; Grenville Province; Central Metasedimentary Belt; Central Gneiss Belt; Frontenac Terrane; Composite Arc Belt; Frontenac-Adirondack Belt; Bancroft Terrane; Frontenac Intrusive Suite; Labrador Trough; Montgomery Lake Prospect; Delhi Pacific Prospect; Chibtown Prospect; Appalachian Province; Mont de l'Aigle Deposit; Malachite Deposit; Copper Lake Deposit; Cross Hills Deposit; Cobequid-Chedabucto Fault Zone; Nauset Anomaly; Ganderia; Avalonia; Meguma; Pyrolite; Canadian Shield; Rae Craton; Nonacho Basin; Central Mineral Belt; Canadian Cordillera; Purcell Basin; Iron Range Property; Iron Range Fault; Kootenay Arc; Purcell Anticlinorium; Foreland Belt; Pan African Belt; Cloncurry District; Little Eva Deposit; Ernest Henry Deposit; Eloise Deposit; Swan Deposit; Osborne Deposit; Curnamona Province; Olympic Province; Mount Isa Mines; Curnamona Cube; El Laco Deposit; Time of Flight ICP-MS; Carajás Mineral Province; Jaguar Deposit; Youanmi Terrane; South West Terrane; Tampia Deposit; Griffin's Find Deposit; Katanning Deposit; Donnybrook Deposit; Bafq District; Esfordi Mine; Gasestan Deposit; Chogart Mine; Yangtze River Metallogenic Belt; Kangdian Belt; Lac-Saint-Jean Anorthosite Suite; platinum group elements; Collaborative research; Expertise; Artificial intelligence; Methodology; Environmental impact assessment; Mining industry; Development; machine learning; Classification; Precambrian; Proterozoic
Illustrationsflow diagrams; photographs; location maps; geoscientific sketch maps; schematic representations; bar graphs; plots; schematic cross-sections; ternary diagrams; screen captures; tables; phase diagrams; geophysical profiles; 3-D models; sketch maps; photomicrographs
ProgramTargeted Geoscience Initiative (TGI-6) Ore systems
Released2021 12 17
AbstractAustralia's and China's resources (e.g. Olympic Dam Cu-U-Au-Ag and Bayan Obo REE deposits) highlight how discovery and mining of iron oxide copper-gold (IOCG), iron oxide±apatite (IOA) and affiliated primary critical metal deposits in metasomatic iron and alkali-calcic (MIAC) mineral systems can secure a long-term supply of critical metals for Canada and its partners. In Canada, MIAC systems comprise a wide range of undeveloped primary critical metal deposits (e.g. NWT NICO Au-Co-Bi-Cu and Québec HREE-rich Josette deposits). Underexplored settings are parts of metallogenic belts that extend into Australia and the USA. Some settings, such as the Camsell River district explored by the Dene First Nations in the NWT, have infrastructures and 100s of km of historic drill cores. Yet vocabularies for mapping MIAC systems are scanty. Ability to identify metasomatic vectors to ore is fledging. Deposit models based on host rock types, structural controls or metal associations underpin the identification of MIAC-affinities, assessment of systems' full mineral potential and development of robust mineral exploration strategies.
This workshop presentation reviews public geoscience research and tools developed by the Targeted Geoscience Initiative to establish the MIAC frameworks of prospective Canadian settings and global mining districts and help de-risk exploration for IOCG, IOA and affiliated primary critical metal deposits. The knowledge also supports fundamental research, environmental baseline assessment and societal decisions. It fulfills objectives of the Canadian Mineral and Metal Plan and the Critical Mineral Mapping Initiative among others.
The GSC-led MIAC research team comprises members of the academic, private and public sectors from Canada, Australia, Europe, USA, China and Dene First Nations. The team's novel alteration mapping protocols, geological, mineralogical, geochemical and geophysical framework tools, and holistic mineral systems and petrophysics models mitigate and solve some of the exploration and geosciences challenges posed by the intricacies of MIAC systems. The group pioneers the use of discriminant alteration diagrams and barcodes, the assembly of a vocab for mapping and core logging, and the provision of field short courses, atlas, photo collections and system-scale field, geochemical, rock physical properties and geophysical datasets are in progress to synthesize shared signatures of Canadian settings and global MIAC mining districts. Research on a metamorphosed MIAC system and metamorphic phase equilibria modelling of alteration facies will provide a foundation for framework mapping and exploration of high-grade metamorphic terranes where surface and near surface resources are still to be discovered and mined as are those of non-metamorphosed MIAC systems.
Summary(Plain Language Summary, not published)
Discovery and mining of iron oxide copper-gold (IOCG), iron oxide±apatite (IOA) and affiliated primary critical metal deposits in metasomatic iron and alkali-calcic (MIAC) mineral systems can secure a long-term supply of critical metals for Canada and its partners. In Canada, MIAC systems comprise a wide range of undeveloped primary critical metal deposits (e.g. NWT NICO Au-Co-Bi-Cu and Québec HREE-rich Josette deposits). This presentation of a scientific workshop held July 29th 2021 reviews public geoscience research and tools developed by the Targeted Geoscience Program to establish the broader MIAC frameworks of prospective Canadian settings and global mining districts and help de-risk exploration for IOCG, IOA and affiliated primary critical metal deposits. The GSC-led MIAC research team comprises members of the academic, private and public sectors from Canada, Australia, Europe, USA, China and the Dene First Nations. The team's novel mineral system approaches, tools and case studies mitigate and solve some of the geoscience and exploration challenges posed by the intricacies of MIAC systems. The knowledge also supports fundamental research, environmental baseline assessment and societal decisions. It fulfills objectives of the Canadian Mineral and Metal Plan and the Critical Mineral Mapping Initiative among others.
GEOSCAN ID329093

 
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