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TitleA special issue on Archean magmatism, volcanism and ore deposits: Part 1. Komatiite-Associated Ni-Cu-(PGE) sulfide and greenstone-hosted Au deposits, preface
AuthorMercier-Langevin, P; Houlé, M G; Dubé, B; Monecke, T; Hannington, M D; Gibson, H L; Goutier, J
SourceEconomic geology and the bulletin of the Society of Economic Geologists vol. 107, no. 5, 2012 p. 745-753, https://doi.org/10.2113/econgeo.107.5.745
Year2012
Alt SeriesEarth Sciences Sector, Contribution Series 20120033
PublisherSociety of Economic Geologists
Documentserial
Lang.English
Mediapaper; on-line; digital
File formatpdf
ProvinceBritish Columbia; Alberta; Saskatchewan; Manitoba; Ontario; Quebec; New Brunswick; Nova Scotia; Prince Edward Island; Newfoundland and Labrador; Northwest Territories; Yukon; Nunavut
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
AreaWorld; Laurentia; Africa; Amazonia; Baltica; West Africa; Canada; Australia; India; China; Russian Federation; Congo
Lat/Long WENS-180.0000 180.0000 90.0000 -90.0000
Subjectseconomic geology; Archean; magmatism; volcanism; igneous rocks; greenstone belts; komatiites; mineralization; nickel; copper; platinum; sulphides; gold; mineral occurrences; mineral deposits; resources; Precambrian
Illustrationslocation maps; pie charts; schematic diagrams
ProgramMafic-Ultramafic Ore Systems, Targeted Geoscience Initiative (TGI-4)
ProgramGold Ore Systems, Targeted Geoscience Initiative (TGI-4)
Released2012 08 02
AbstractThe Archean, which represents more than a third of Earth's history, contains some of the largest and richest ore deposits of the World. Numerous cratons of variable size and age have been mapped (Fig. 1) and others are still being discovered or delineated thanks to the widespread use of highly-precise U-Pb geochronology. One of the specific characteristics of Archean cratons is the coexistence and juxtaposition of different and major styles of mineralization (Robert et al., 2005), most particularly magmatic (komatiite-hosted) Ni-Cu-(PGE) sulfide deposits, Cu-Zn-Au-Ag-Pb volcanogenic massive sulfide (VMS) deposits, and greenstone-hosted Au deposits of different styles and ages.
The objective of this special issue is not to discuss the differences between Archean and younger metallogenic processes or secular changes as it has been done in great detail elsewhere (e.g., Kerrich et al., 2000; Groves et al., 2005a, b; Kerrich et al., 2005; Goldfarb et al., 2010; Huston et al., 2010; Naldrett et al., 2010); it is rather to contribute to a better understanding of some of the metallogenic and associated processes that were active at the Archean and that have implications on genetic and exploration models.
GEOSCAN ID291395