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TitleFe and Mg isotope coupled with Fe oxidation state investigations at the Bong uranium deposit, Thelon Basin, Canada
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AuthorPotter, E G; Sharpe, R; Girard, I; Fayek, M; Gammon, P; Quirt, D; Robbins, J
SourceGeological Survey of Canada, Open File 7662, 2015, 25 pages, https://doi.org/10.4095/295494 (Open Access)
Image
Year2015
PublisherNatural Resources Canada
Documentopen file
Lang.English
Mediaon-line; digital
File formatpdf
ProvinceNunavut
NTS66A/05; 66A/06
AreaKiggavik
Lat/Long WENS-98.0000 -97.0000 64.5000 64.2500
Subjectseconomic geology; geochronology; isotope ratios; isotopes; iron; magnesium; uranium; uranium deposits; sample preparation; oxidation; alteration; Thelon Basin; Bong uranium deposit
Illustrationslocation maps; photographs; plots; profiles
ProgramUranium Ore Systems, Targeted Geoscience Initiative (TGI-4)
Released2015 01 23
Summary(Plain Language Summary, not published)
The Targeted Geoscience Initiative (TGI-4) is a collaborative federal geoscience program that provides industry with the next generation of geoscience knowledge and innovative techniques to better detect buried mineral deposits, thereby reducing some of the risks of exploration. This open file report summarizes a new potential exploration vector that also provides insights on the ore deposit model through iron and magnesium isotope signatures and shifts in iron oxidation states (Fe2+ vs. Fe3+) at the Bong uranium deposit. The preliminary results of this study successfully delineate the ore zones through significant isotopic shifts coupled with changes Fe2+/Fe3+ ratios in the ore zones. The signatures reflect processes that mobilized Fe2+ while enriching the fluids in the lighter isotopes of iron and magnesium.
GEOSCAN ID295494