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Kingswood Mine (Dartmoor)

Devon, Dartmoor granite (Buckfastleigh), United Kingdom

UraniumU (W, Bi)

Type
Granite-related hydrothermal uraninite veins

Vein-type uranium ore analysed by Keatley et al. (2021) for δ238U and δ234U (nuclear forensics). In situ core samples along a single vein (Kingswood adit): W-Bi uraninite, zeunerite and other secondary minerals; δ238U of -0.29 to -0.18 ‰ and δ234U of -64.7 to -1.6 ‰ within the same vein. Coordinates not published.

δ238U in ‰ (per mil) Values of the same system

Standard : NBL CRM 112-A

ValueRangenMineral or matrixSource
−0.289 ± 0.04 ‰1W-Bi uraninite and zeunerite (partly W-bearing)
Single analysis; ± 0.04 ‰ (2 SD); sample KW12, Kingswood Adit mine (Dartmoor granite); in situ sample from the Kingswood vein.
Keatley et al. (2021), Uranium isotope variation within vein-type uranium ore deposits, A…
−0.175 ± 0.04 ‰1zeunerite
Single analysis; ± 0.04 ‰ (2 SD); sample KW10, Kingswood Adit mine (Dartmoor granite); in situ sample from the Kingswood vein.
Keatley et al. (2021), Uranium isotope variation within vein-type uranium ore deposits, A…
−0.21 ± 0.04 ‰1W-bearing uraninite, threadgoldite, chistyakovite and autunite
Single analysis; ± 0.04 ‰ (2 SD); sample KW4, Kingswood Adit mine (Dartmoor granite); in situ sample from the Kingswood vein.
Keatley et al. (2021), Uranium isotope variation within vein-type uranium ore deposits, A…

δ234U in ‰ (per mil) Values of the same system

Standard : équilibre séculaire

ValueRangenMineral or matrixSource
−64.7 ± 0.4 ‰1W-Bi uraninite and zeunerite (partly W-bearing)
Single analysis; ± 0.4 ‰ (2 SD); sample KW12, Kingswood Adit mine (Dartmoor granite).
Keatley et al. (2021), Uranium isotope variation within vein-type uranium ore deposits, A…
−36.7 ± 0.4 ‰1zeunerite
Single analysis; ± 0.4 ‰ (2 SD); sample KW10, Kingswood Adit mine (Dartmoor granite).
Keatley et al. (2021), Uranium isotope variation within vein-type uranium ore deposits, A…
−1.6 ± 0.4 ‰1W-bearing uraninite, threadgoldite, chistyakovite and autunite
Single analysis; ± 0.4 ‰ (2 SD); sample KW4, Kingswood Adit mine (Dartmoor granite).
Keatley et al. (2021), Uranium isotope variation within vein-type uranium ore deposits, A…

Deposits of the same type

Cite this page

IsoFind Atlas (2026). Kingswood Mine (Dartmoor), isotope signatures. https://www.isofind.tech/isotopes/en/deposits/mine-kingswood-dartmoor/ (accessed 2026-10-16).

@misc{isofind2026kingswoodminedartmoorisotopes,
  title = {Kingswood Mine (Dartmoor), isotope signatures},
  author = {{IsoFind Atlas}},
  year = {2026},
  url = {https://www.isofind.tech/isotopes/en/deposits/mine-kingswood-dartmoor/},
  note = {Accessed 2026-10-16}
}

Updated : 2026-10-16