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TitleGold and PGE indicator mineral methods in mineral exploration
AuthorMcClenaghan, M B
Source 2009, 31 pages
LinksOnline (PDF 4 MB)
Alt SeriesEarth Sciences Sector, Contribution Series 20080732
Meeting24th International Applied Geochemistry symposium, Workshop B: Indicator Mineral Methods in Mineral Exploration; Fredericton; CA; May 31, 2009
Documentcomputer file
Mediaon-line; digital
File formatpdf
Subjectsmineralogy; gold; mineral exploration; sulphides; pyrite; arsenopyrite; chalcopyrite; sphalerite; galena; tellurides; scheelite; rutile; jarosite; limonite; goethite; pyrolusite; mineralogical analyses; heavy minerals; chemical analyses; morphology; analytical methods; platinum group elements; indicator minerals
Illustrationsphotographs; sketch maps
ProgramTargeted Geoscience Initiative (TGI-3), 2005-2010, Deep Search TGI-3
AbstractIndicator minerals of Au and PGE deposits include gold and platinum-group minerals (PGM) as well as associated metallic, oxide, and silicate minerals. The greatest advantages of precious metal indicator mineral methods over traditional geochemical analysis of a sediment sample are that ore grains are visible and can be examined, and the method is sufficiently sensitive to detect only a few grains, equivalent of ppb-level indicator mineral abundances, even in regions where regional rocks dilute concentrates with non-indicator
heavy minerals (Brundin & Bergstrom 1977; Averill 2001). This paper reviews indicator mineral methods applied to surface sediment sampling for Au and PGE exploration.