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δ18O of Uranium: published values

in ‰ (per mil)

Uranium. 17 published values for 3 deposits or sites. Standards, minerals and sources for every value.

DepositsValueRangenMineral or matrixSource
Echo Bay (Port Radium)
Canada
22.43 ± 0.5 ‰21.9 / 22.9 ‰3stage 3 dolomite (Co-Ni arsenides)Robinson et Ohmoto (1973), Mineralogy, Fluid Inclusions, and Stable Isotopes of the Echo …
Echo Bay (Port Radium)
Canada
16.63 ± 0.68 ‰16.1 / 17.4 ‰3stage 4 calcite (early galena and chalcopyrite)Robinson et Ohmoto (1973), Mineralogy, Fluid Inclusions, and Stable Isotopes of the Echo …
Echo Bay (Port Radium)
Canada
12.88 ± 1.33 ‰11.8 / 15.1 ‰5stage 5 dolomite (main sulphides)Robinson et Ohmoto (1973), Mineralogy, Fluid Inclusions, and Stable Isotopes of the Echo …
Key Lake (Deilmann and Gaertner)
Canada
9.2 ± 1.24 ‰7.1 / 11.8 ‰21kaolinite-free Mg chlorite and illite (< 2 µm fraction) of the altered gneiss, Deilmann ore bodyWilson et Kyser (1987), Stable isotope geochemistry of alteration associated with the Key…
Key Lake (Deilmann and Gaertner)
Canada
10.44 ± 2.1 ‰7.6 / 13.2 ‰5chlorite, illite and kaolinite (< 2 µm fraction) of altered gneiss from shear and ore zones, Deilmann ore bodyWilson et Kyser (1987), Stable isotope geochemistry of alteration associated with the Key…
Key Lake (Deilmann and Gaertner)
Canada
11.64 ± 1.34 ‰9.2 / 13.3 ‰12illite and Mg chlorite (< 2 µm fraction) of the palaeoregolith below the unconformity, Deilmann ore bodyWilson et Kyser (1987), Stable isotope geochemistry of alteration associated with the Key…
Key Lake (Deilmann and Gaertner)
Canada
8.29 ± 1.4 ‰6.9 / 10.8 ‰8chlorite and illite (< 2 µm fraction) of the altered gneiss, Gaertner ore bodyWilson et Kyser (1987), Stable isotope geochemistry of alteration associated with the Key…
Key Lake (Deilmann and Gaertner)
Canada
7.8 ‰1fracture kaolinite in gneiss, Gaertner ore body (116GP)Wilson et Kyser (1987), Stable isotope geochemistry of alteration associated with the Key…
Key Lake (Deilmann and Gaertner)
Canada
10.5 ‰1vein dravite, Gaertner ore body (118GP)Wilson et Kyser (1987), Stable isotope geochemistry of alteration associated with the Key…
Key Lake (Deilmann and Gaertner)
Canada
11.79 ± 1.21 ‰10.3 / 13.8 ‰7illite (< 2 µm fraction) of the illite halo in the Athabasca sandstone above the depositWilson et Kyser (1987), Stable isotope geochemistry of alteration associated with the Key…
Key Lake (Deilmann and Gaertner)
Canada
14.42 ± 1.89 ‰12.2 / 17.2 ‰11kaolinite (< 2 µm fraction) of the kaolinite halo in the Athabasca sandstoneWilson et Kyser (1987), Stable isotope geochemistry of alteration associated with the Key…
Key Lake (Deilmann and Gaertner)
Canada
12.11 ± 0.74 ‰10.9 / 13.1 ‰9chlorite (< 2 µm fraction) of the sandstone chlorite zone above the depositWilson et Kyser (1987), Stable isotope geochemistry of alteration associated with the Key…
Key Lake (Deilmann and Gaertner)
Canada
9.68 ± 2.26 ‰7.3 / 12.2 ‰5Fe-Mg chlorite and kaolinite (< 2 µm fraction) of the Gaertner ore matrixWilson et Kyser (1987), Stable isotope geochemistry of alteration associated with the Key…
Zálesí
Czechia
15.56 ± 1.9 ‰13.2 / 17.2 ‰5uraninite-stage calciteDolníček et al. (2009), Origin of the Zálesí U–Ni–Co–As–Ag/Bi deposit, Bohemian Massif, C…
Zálesí
Czechia
13.5 ‰1arsenide-stage calcite (Za-3)Dolníček et al. (2009), Origin of the Zálesí U–Ni–Co–As–Ag/Bi deposit, Bohemian Massif, C…
Zálesí
Czechia
18.05 ± 1.11 ‰16.4 / 18.8 ‰4arsenide-stage dolomiteDolníček et al. (2009), Origin of the Zálesí U–Ni–Co–As–Ag/Bi deposit, Bohemian Massif, C…
Zálesí
Czechia
14.13 ± 0.96 ‰13.1 / 15 ‰3sulphide-stage calciteDolníček et al. (2009), Origin of the Zálesí U–Ni–Co–As–Ag/Bi deposit, Bohemian Massif, C…

Published δ18O (oxygen) values, deposit by deposit

Cite this page

IsoFind Atlas (2026). δ18O of Uranium: published values. https://www.isofind.tech/isotopes/en/oxygen-d18o/uranium/ (accessed 2026-10-14).

@misc{isofind202618oofuraniumpublishedvalues,
  title = {δ18O of Uranium: published values},
  author = {{IsoFind Atlas}},
  year = {2026},
  url = {https://www.isofind.tech/isotopes/en/oxygen-d18o/uranium/},
  note = {Accessed 2026-10-14}
}

Updated : 2026-10-14