O, U, and Pb isotopic and chemical variations in uraninite; implications for determining the temporal and fluid history of ancient terrains

O, U, and Pb isotopic and chemical variations in uraninite; implications for determining the temporal and fluid history of ancient terrains

Chemical and U, Pb and O isotopic compositions have been measured on paragenetically well-characterized uraninite and pitchblende minerals from Proterozoic, high-grade U deposits of the unconformity type and complex vein type U deposits in N Saskatchewan, Canada.

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Bibliographische Detailangaben
Veröffentlicht in:The American mineralogist 1993-12, Vol.78 (11-12), p.1262-1274
Hauptverfasser: Kotzer, T. G, Kyser, T. K
Format: Artikel
Sprache:eng
Schlagworte:
absolute age
Chemical elements
fluid inclusions
Geochemistry
Geology
igneous and metamorphic rocks
Illite
inclusions
isotope ratios
isotopes
lead
metals
Minerals
O-18/O-16
oxides
oxygen
Pb-207/Pb-206
Pb/Pb
Petrology
Precambrian
Proterozoic
rare earths
stable isotopes
Temperature
U/Pb
Unconformity
upper Precambrian
uraninite
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Beschreibung
Zusammenfassung:Chemical and U, Pb and O isotopic compositions have been measured on paragenetically well-characterized uraninite and pitchblende minerals from Proterozoic, high-grade U deposits of the unconformity type and complex vein type U deposits in N Saskatchewan, Canada.
ISSN:0003-004X
1945-3027