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TitreTGI-4 Lode Gold deposits in ancient, deformed and metamorphosed terranes - footprints and exploration implications: a preliminary overview of themes, objectives and targeted areas
AuteurDubé, 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; par Fischer, B J (éd.); Watson, D M (éd.); Northwest Territories Geoscience Office, Yellowknife Geoscience Forum Abstracts Volume 2011, 2011 p. 99
LiensOnline - En ligne
Séries alt.Secteur des sciences de la Terre, Contribution externe 20130582
Réunion39th Annual Yellowknife Geoscience Forum; Yellowknife; CA; Novembre 15-17, 2011
Documentpublication en série
SNRC41O; 41P; 42; 52P; 53A; 53B
Lat/Long OENS-92.0000 -79.5000 53.0000 48.0000
Sujetsor; gisements minéraux; formations ferrifères; méthodes d'exploration; exploration; métallogénie; genèse des minerais; zones de failles; minéraux métalliques; Précambrien
ProgrammeÉtude des gîtes d'or, Initiative géoscientifique ciblée (IGC-4)
Résumé(disponible en anglais seulement)
The 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.