Parry Sound District (Henvey Township thucholite)
Ontario, Parry Sound District, Canada
UraniumU
- Type
- Pegmatite with "thucholite" (uraniferous hydrocarbon)
Uranium ore sample from the Queen's University collection analysed by Uvarova et al. (2014) for δ238U and δ234U. "Thucholite" described by Ellsworth (1930) in Grenvillian pegmatites; lowest δ238U of the intrusive ores of the study. Coordinates not published.
δ238U in ‰ (per mil) Values of the same system
Standard : NBL CRM 112-A
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| −0.15 ± 0.1 ‰ | 1 | "thucholite" (uraniferous hydrocarbon) Single analysis; ± 0.10 ‰ (2 SD, reproducibility); sample M12500, Parry Sound District, Ontario; bracketing-only δ238U at -0.38; 238U/235U of 137.815; about -0.75 ‰ after removing the 0.60 ‰ offset specific to this study; 0.23 ‰ gap between the two methods, beyond the usual 0.1 ‰ agreement. | Uvarova et al. (2014), Variations in the uranium isotopic compositions of uranium ores fr… |
δ234U in ‰ (per mil) Values of the same system
Standard : équilibre séculaire
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 0 ‰ | 1 | "thucholite" (uraniferous hydrocarbon) Single analysis; per-sample uncertainty not published; sample M12500, Parry Sound District, Ontario; 0.23 ‰ gap between the two methods, beyond the usual 0.1 ‰ agreement. | Uvarova et al. (2014), Variations in the uranium isotopic compositions of uranium ores fr… |
Deposits of the same type
- Athabasca basin (unconformity uranium province) Canada
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- Tim Mersoï basin (Arlit, Akouta, Imouraren) Niger
- Inkai (Chu-Sarysu basin) Kazakhstan
- Tulukuevskoye Russia
- Ty Gallen France
- Rophin France
- Key Lake (Deilmann and Gaertner) Canada
Cite this page
IsoFind Atlas (2026). Parry Sound District (Henvey Township thucholite), isotope signatures. https://www.isofind.tech/isotopes/en/deposits/district-de-parry-sound-thucholite-du-canton-de-henvey/ (accessed 2026-10-16).
@misc{isofind2026parrysounddistricthenveytowns,
title = {Parry Sound District (Henvey Township thucholite), isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/district-de-parry-sound-thucholite-du-canton-de-henvey/},
note = {Accessed 2026-10-16}
}Updated : 2026-10-16