Published δ238U (uranium) values, deposit by deposit

Name: Published δ238U (uranium) values, deposit by deposit
Creator: IsoFind

in ‰ (per mil)

11 published values for 7 deposits or sites.

By deposit type

Uranium 7

Deposits	Value	Range	n	Mineral or matrix	Source
Athabasca basin (unconformity uranium province) Canada	0.2 ‰			uraninite and pitchblende	Brennecka et al. 2010, Variations in the uranium isotopic compositions of uranium ores fr…
Athabasca basin (unconformity uranium province) Canada	0.44 ‰			uraninite (global mean for unconformity deposits)	Brennecka et al. 2010, Variations in the uranium isotopic compositions of uranium ores
Tim Mersoï basin (Arlit, Akouta, Imouraren) Niger	0.29 ‰			uraninite and coffinite (sandstone-hosted type)	Brennecka et al. 2010, Variations in the uranium isotopic compositions of uranium ores fr…
Inkai (Chu-Sarysu basin) Kazakhstan	0.29 ‰			uraninite and coffinite (sandstone-hosted type)	Brennecka et al. 2010, Variations in the uranium isotopic compositions of uranium ores fr…
Olympic Dam Australia		−0.56 / 0.04 ‰	40	whole rock (all breccia facies)	Kirchenbaur et al. 2016, Uranium and Sm isotope studies of the supergiant Olympic Dam Cu-…
Olympic Dam Australia		−0.2 / 0 ‰		high-grade ore (U above 5 wt%)	Kirchenbaur et al. 2016, Geochimica et Cosmochimica Acta
Olympic Dam Australia		−0.56 / −0.23 ‰		low-grade ore (U below 0.7 wt%)	Kirchenbaur et al. 2016, Geochimica et Cosmochimica Acta
Rössing Namibia	0.16 ‰			uraninite (intrusive alaskite type)	Brennecka et al. 2010, Variations in the uranium isotopic compositions of uranium ores fr…
Shea Creek (Athabasca) Canada		−0.295 / 0.295 ‰		uraninite and pitchblende	Uvarova et al. 2014, 238U/235U isotope ratio variations in minerals from hydrothermal ura…
Tulukuevskoye Russia		−1 / −0.13 ‰		mineralised rocks (11 samples)	Golubev et al. 2019, Behavior of the 238U, 235U, and 234U Isotopes at Weathering of Volca…
Tulukuevskoye Russia		−0.59 / −0.22 ‰		fracture waters (22 samples)	Golubev et al. 2019, Petrology

Cite this page

IsoFind Atlas (2026). Published δ238U (uranium) values, deposit by deposit. https://www.isofind.tech/isotopes/en/uranium-d238u/ (accessed 2026-10-06).

@misc{isofind2026published238uuraniumvaluesdep,
  title = {Published δ238U (uranium) values, deposit by deposit},
  author = {{IsoFind Atlas}},
  year = {2026},
  url = {https://www.isofind.tech/isotopes/en/uranium-d238u/},
  note = {Accessed 2026-10-06}
}

Updated : 2026-10-06