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TitleTGI-4 Lode Gold deposits in ancient, deformed and metamorphosed terranes - footprints and exploration implications: a preliminary overview of themes, objectives and targeted areas
AuthorDubé, B; Mercier-Langevin, P; Castonguay, S; McNicoll, V J; Pehrsson, S J; Bleeker, W; Hillary, B; Schetselaar, E M; Jackson, S; Bécu, V; Malo, M; Kontak, D; Lafrance, B; Thurston, P; Machado, G; Beakhouse, G
Source39th Annual Yellowknife Geoscience Forum, abstracts of talks and posters; by Fischer, B J (ed.); Watson, D M (ed.); Northwest Territories Geoscience Office, Yellowknife Geoscience Forum Abstracts Volume 2011, 2011 p. 99 (Open Access)
LinksOnline - En ligne
Alt SeriesEarth Sciences Sector, Contribution Series 20130582
Meeting39th Annual Yellowknife Geoscience Forum; Yellowknife; CA; November 15-17, 2011
File formatpdf
NTS41O; 41P; 42; 52P; 53A; 53B
AreaBeardmore; Geraldton; Timmins; Kirkland Lake; Côté Lake; North Caribou Lake
Lat/Long WENS-92.0000 -79.5000 53.0000 48.0000
Subjectsmetallic minerals; gold; mineral deposits; iron formations; exploration methods; exploration; metallogeny; ore mineral genesis; fault zones; Precambrian
ProgramTargeted Geoscience Initiative (TGI-4), Gold Ore Systems
AbstractThe Targeted Geoscience Initiative (TGI -4) program focuses on data- rich, established and emerging mining camps in Canada to optimize exploration- related geoscience knowledge development in order to enhance the effectiveness of explorat ion for hidden mineral deposits. The Lode Gold project is a multidisciplinary and collaboratively delivered federal -provincial- territorial geoscientific effort with strong participation from industry and universities. The project aims at improving geoscience -based gold exploration models where important gaps exist in our understanding of Canada's major gold- mineralized systems with respect to three main components: 1 -footprint, 2- vectoring and 3- fertility. Lode gold deposits or «bedrock» gold deposits consist of any style of gold mineralization hosted in consolidated rocks and formed at different crustal levels (e.g. greenstone -hosted quartz- carbonate vein; porphyry Cu -Au, banded- iron formation - hosted Au, Au -rich volcanogenic massive sulphides, etc). The lode gold project consists of detailed and integrated documentation of several selected gold deposits, their geological and hydrothermal footprints and camp - scale settings. The project will include largely underexplored or new styles/types of gold mineralization including banded-iron formation (BIF) -hosted, and intrusion- related/hosted - stockwork- disseminated deposits, which are becoming increasingly more important in terms of gold content and discoveries made in Canada. The project will also include the study of the structural evolution, kinematics and tectonic significance of crustal fault zone(s) and associated Timiskaming - type sedimentary basins and their spatial, temporal and genetic relationship s with th e development and location of large gold deposits and districts. The distal and proximal geological and hydrothermal signatures , structural controls and absolute and relative timing of the mineralization with respect to the overall geologic evolution of th eir host sequences will be investigated to highlight the major controls on the location, distribution, geometry, footprint, genesis and evolution of large gold deposits. The project is sub-divided into three main themes or sub-projects and will investiga te a selected group of deposits in various settings: 1 - BIF -hosted gold deposits (including the Meadowbank and Musselwhite mines); 2 - Intrusion- related/hosted and/or stockwork- disseminated gold deposits in ancient terranes (including Côté Lake and Westwood deposits plus others to be determined) and 3- Large Archean gold districts and key parameters controlling the fertility of crustal - scale fault zones and the distribution of large gold deposits (including the Porcupine-Destor fault zone in Timmins). A sig nificant number of graduate and undergraduate theses will contribute to the project and will generate highly qualified personnel for the mineral industry and research institutions. The Lode gold project will also provide an opportunity to collaborate and develop a synergy with the Geo -mapping for Energy and Minerals (GEM) program of Natural Resources Canada. Discussions are underway to expand collaboration with provinces and territories, industry, academia and the Canadian Mining Innovation Council (CMIC - a network of industry, academic and government leaders), in a number of geoscience activities in order to further develop synergies and help the industry to renew and develop Canadian's mineral resources.