| Title | Gold grains in till samples from the southern Core Zone, Quebec and Newfoundland and Labrador (NTS 23-P and 23-I): potential for undiscovered mineralization |
| Download | Downloads |
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| Licence | Please note the adoption of the Open Government Licence - Canada
supersedes any previous licences. |
| Author | McClenaghan, M B ;
Paulen, R C; Rice, J M; Campbell, H E; Pyne, M D |
| Source | Geological Survey of Canada, Open File 8222, 2017, 21 pages, https://doi.org/10.4095/300657  Open Access |
| Year | 2017 |
| Publisher | Natural Resources Canada |
| Document | open file |
| Lang. | English |
| Media | on-line; digital |
| Related | NRCan photo(s) in this
publication |
| Related | This publication is related to the following publications |
| File format | readme
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| File format | pdf; rtf; xlsx |
| Province | Quebec; Newfoundland and Labrador |
| NTS | 23I; 23P |
| Area | Woods Lake; Lac Résolution; Labrador; Rivière de Pas; Rivière George; Smallwood Reservoir |
| Lat/Long WENS | -66.0000 -64.0000 56.0000 54.0000 |
| Subjects | surficial geology/geomorphology; geochemistry; economic geology; glacial deposits; tills; mineral deposits; mineral exploration; mineral potential; exploration guidelines; metals; gold; till samples;
till geochemistry; mud boils; permafrost; heavy mineral analyses; size fractionation; sulphides; oxides; silicates; scanning electron microscope analyses; sperrylite; pyrite; chalcopyrite; epidote; rutile; diopside; goethite; orthopyroxene; bedrock
geology; lithology; igneous rocks; mafic volcanic rocks; intrusive rocks; felsic intrusive rocks; granitic rocks; monzo-granites; granodiorites; porphyries; orthopyroxene; hornblende; biotite; intrusions; metamorphic rocks; orthogneisses; schists;
arenites; metavolcanic rocks; mafic metavolcanic rocks; metabasalts; semipelites; metasedimentary rocks; glacial history; Wisconsinian glacial stage; glaciation; depositional environment; depositional history; sediment transport; sediment dispersal;
ice movement directions; glacial erosion; glacial landforms; sands; silts; Archean; Core Zone; New Quebec Orogen; De Pas Batholith; Churchill Province; Doublet Terrane; Ntshuku assemblage; Atshakash assemblage; Zeni assemblage; Lobstick Group;
Laurentide Ice Sheet; New-Québec dome; Ancestral Labrador Divide; Phanerozoic; Cenozoic; Quaternary; Precambrian; Proterozoic |
| Illustrations | geoscientific sketch maps; photographs; flow charts; photomicrographs |
| Program | GEM2: Geo-mapping for Energy and Minerals Hudson/Ungava, Northeastern Quebec-Labrador, surficial geology |
| Program | Polar Continental Shelf Program
|
| Released | 2017 05 17 |
| Abstract | This report presents the indicator mineral content of till samples (n=86) collected during the summer of 2016, in the southern sector of the Core Zone located within Woods Lake (NTS 23-I) and Lac
Résolution (NTS 23-P) map areas, approximately 50 km east of Shefferville, Quebec. Of potential interest for mineral exploration in this region is the presence of gold grains (7 to 63 grains /10 kg) in 15 till samples principally collected over the
Doublet Zone mafic volcanic rocks. One sample located over the Core Zone orthogneiss contains a noticeably large sand-sized gold grain, which is in contrast with the silt-sized gold particles in the other till samples. The source(s) of gold in the
till is unknown. The 2016 till sampling survey was the third of three field seasons of reconnaissance-scale surficial mapping and till sampling in the south part of the Core Zone and was conducted as part of the GSC's Core Zone Surficial Activity
(2014-2017) of the Geomapping for Energy and Minerals 2 (GEM 2) Program. Indicator mineral results for the 2014 and 2015 till samples, which were originally presented in McClenaghan et al. (2016) and Rice et al. (2017), are included for completeness.
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| Summary | (Plain Language Summary, not published)
This open file reports indicator mineral abundance data for till samples collected in over 3 years as part of the Hudson-Ungava GEM project in northern
Labrador and eastern Quebec. The data will be used by exploration companies to assess the mineral potential and actively explore this region east of Schefferville. |
| GEOSCAN ID | 300657 |
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