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TitleIndicator minerals in till and bedrock samples from the Pine Point Mississippi Valley-type district, Northwest Territories
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AuthorOviatt, N M; McClenaghan, M B; Paulen, R C; Gleeson, S A; Averill, S A; Paradis, S
SourceGeological Survey of Canada, Open File 7423, 2013, 87 pages, https://doi.org/10.4095/293031 (Open Access)
LinksCanadian Database of Geochemical Surveys, downloadable files
LinksBanque de données de levés géochimiques du Canada, fichiers téléchargeables
Year2013
PublisherNatural Resources Canada
Documentopen file
Lang.English
Mediadigital; on-line
RelatedThis publication is related to Hall, G E M; Hall, G E M; McClenaghan, M B; McClenaghan, M B; (2013). Field portable XRF in exploration and mining, New frontiers for exploration in glaciated terrain, Geological Survey of Canada, Open File 7374
File formatreadme
File formatpdf; xls; rtf
ProvinceNorthwest Territories
NTS85A/12; 85A/13; 85B/09; 85B/10; 85B/11; 85B/14; 85B/15; 85B/16
AreaGreat Slave Lake; Pine Point; Buffalo River
Lat/Long WENS-115.1667 -113.8333 61.0000 60.6667
Subjectssurficial geology/geomorphology; economic geology; geochemistry; indicator elements; mineral exploration; tills; till samples; sphalerite; galena; smithsonite; cerussite; pyrite; ice transport directions; mineral deposits; Mississippi Valley deposits; drift prospecting; glacial deposits; geochemical analyses; heavy mineral analyses; lead; zinc; dispersal patterns; sedimentary rocks; sulphides; Slave Point Formation; Watt Mountain Formation; Pine Point Formation; indicator minerals; Cenozoic; Quaternary
Illustrationslocation maps; photographs; photomicrographs; tables; plots
ProgramGEM Tri-Territorial information management & databases (Tri-Territorial Indicator Minerals Framework), GEM: Geo-mapping for Energy and Minerals
Released2013 10 28
AbstractAn indicator mineral study was conducted within the Pine Point Mississippi Valley-type (MVT) district in Northwest Territories to document the abundance, morphology, size and, chemistry of the indicator minerals present in the deposits and in till down-ice of the deposits. Till and bedrock samples for this study were collected in 2010 and 2011. Heavy mineral concentrates (specific gravity >3.2) were isolated from till samples and indicator minerals were picked from this fraction. Indicator minerals identified for the Pine Point MVT deposits include sphalerite, galena, smithsonite, cerussite, and pyrite. Sphalerite and galena are the most useful indicator minerals because they are the most abundant in ore and till samples down-ice and they are sufficiently physically robust that they survive glacial transport.
Summary(Plain Language Summary, not published)
Complete documentation of the indicator minerals that that Pine Point Mississippi Valley-Type (MVT) lead-zinc deposit could possibly generate during glacial erosion. Comparison and reported with results from till samples collected down-ice. This information is applicable for drift prospecting and exploration of MVT style deposits in northern Canada.
GEOSCAN ID293031