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TitleReport of activities for the Core Zone: investigations of the mafic and ultramafic intrusive rocks of the Montagnais Sills, northern Labrador Trough, Nunavik, Quebec
AuthorHoulé, M G; Bédard, M -P; McNicoll, V J; Corrigan, D; Huot, F
SourceGeological Survey of Canada, Open File 7979, 2016, 12 pages,
PublisherNatural Resources Canada
Documentopen file
Mediaon-line; digital
File formatpdf
ProvinceQuebec; Newfoundland and Labrador
NTS24K/05; 24K/06; 24K/11; 24K/12; 24K/13; 24L/09; 24L/16; 24M/01; 24M/08; 24M/09; 24M/16; 24N/03; 24N/04; 24N/05; 24N/06; 24N/12; 24N/13; 25C/04; 25C/05; 25D/01; 25D/08
AreaKuujjuaq; George River; Labrador Trough; Hope Advance; Kangirsuk
Lat/Long WENS-70.5000 -68.5000 60.5000 58.2500
Subjectsstratigraphy; structural geology; tectonics; field work; bedrock geology; mafic rocks; mafic intrusive rocks; ultramafic rocks; tectonic interpretations; tectonic environments; tectonic setting; metallogeny; lithology; metamorphism; structural analyses; structural domains; Core Zone; New Quebec Orogen; Hellancourt Formation; Baby Formation; Attikamagen Group; Denault Formation
Illustrationslocation maps; photographs; stratigraphic columns
ProgramHudson/Ungava Core Zone, GEM2: Geo-mapping for Energy and Minerals
Released2016 03 08
The Geo-mapping for Energy and Minerals (GEM) program is laying the foundation for sustainable economic development in the North. The program provides modern public geoscience that will set the stage for long-term decision making related to investment in responsible resource development. Geoscience knowledge produced by GEM supports exploration for new energy and mineral resources and enables northern communities to make informed decisions about their land, economy and society. Building upon the success of its first five-years, GEM has been renewed until 2020 to continue producing new, publically available, regional-scale geoscience knowledge in Canada's North.
During the summer of 2015, 14 research activities focused on geological, geochemical and geophysical surveying were successfully carried out under the GEM program including the Core Zone - Labrador Trough activity of the Hudson-Ungava project (Fig. 1). These activities have been undertaken in collaboration with provincial and territorial governments, northerners and their institutions, academia and the private sector. GEM will continue to work with these key collaborators as the program advances.
Summary(Plain Language Summary, not published)
The purpose of this contribution is to present the preliminary results from a reconnaissance study conducted within the northern Labrador Trough (Québec) during the last field season (2015) on several mafic and ultramafic intrusions of the Montagnais intrusive suite. Three main areas have been visited during this investigation: Kuujjuaq, Hope Advance and Kangirsuk areas. Several types of intrusions belonging to the Montagnais intrusive suite have been identified in these areas: 1) mafic-dominated intrusions, 2) ultramafic-dominated intrusions, 3) ultramafic to mafic differentiated intrusions, and 4) glomeroporphyritic mafic-dominated intrusions. This project is part of a collaborative effort under the GEM-2 program between the Geological Survey of Canada and the ministère de l'Énergie et des Ressources naturelles du Québec to better characterize and understand the mineral potential of these mafic and ultramafic intrusions in the Labrador Trough.