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Troëng, Björn (1982) Uranium-rich granites in the Olden Window, Sweden. Mineralogical Magazine, 46 (339) 217-226 doi:10.1180/minmag.1982.046.339.08

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Reference TypeJournal (article/letter/editorial)
TitleUranium-rich granites in the Olden Window, Sweden
JournalMineralogical MagazineISSN0026-461X
AuthorsTroëng, BjörnAuthor
Year1982 (June)Volume46
Issue339
PublisherMineralogical Society
Download URLhttps://rruff.info/doclib/MinMag/Volume_46/46-339-217.pdf+
DOIdoi:10.1180/minmag.1982.046.339.08Search in ResearchGate
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Mindat Ref. ID3386Long-form Identifiermindat:1:5:3386:6
GUID0
Full ReferenceTroëng, Björn (1982) Uranium-rich granites in the Olden Window, Sweden. Mineralogical Magazine, 46 (339) 217-226 doi:10.1180/minmag.1982.046.339.08
Plain TextTroëng, Björn (1982) Uranium-rich granites in the Olden Window, Sweden. Mineralogical Magazine, 46 (339) 217-226 doi:10.1180/minmag.1982.046.339.08
In(1982, June) Mineralogical Magazine Vol. 46 (339) Mineralogical Society
Abstract/NotesAbstractU-enriched granites occur in a Precambrian window in the Caledonides of central Sweden and intrude an extensive supracrustal formation dominated by acid terrestrial volcanics. During the Caledonian orogeny, thrusting, foliation, mylonites, and mesoscopic folds developed in the Precambrian rocks under low-grade metamorphic conditions. Ground and airborne γ-spectrometry indicate U-enrichment mainly in the northern part of the window where two uraniferous granites have been intruded. Several small U vein-type mineralizations are associated with one of the granites. The largest occurrence of the mineralization might be economic, and a Rb-Sr age determination has established a minimum age of 1500 Ma on the associated granite which is highly evolved.

Map of Localities

Locality Pages

LocalityCitation Details
Lill-Juthatten Uranium deposit (Lilljuthatten), Krokom, Jämtland County, Sweden
Olden granite intrusion, Offerdal, Krokom, Jämtland County, Sweden

Mineral Occurrences

LocalityMineral(s)
Olden granite intrusion, Offerdal, Krokom, Jämtland County, Sweden Allanite Group, Anatase, Apatite, Biotite, Chlorite Group, Clinozoisite, Epidote, Garnet Group, Ilmenite, Magnetite, Monazite Group, Muscovite, Plagioclase, Quartz, Rutile, Thorite, Titanite, Uranothorite, Zircon


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