Mount Keith
Eastern Goldfields, Western Australia (Agnew-Wiluna belt), Australia
Magmatic (Ni-Cu-PGE, carbonatites)Ni
- Type
- Ni sulphides disseminated in massive dunites (large tonnage, low grade)
Yilgarn Craton, Archaean greenstone belts (2.62 to over 2.76 Ga), metamorphism up to lower amphibolite facies. Mount Keith-Perseverance type deposit, with slightly negative δ34S: physicochemical conditions different from the Kambalda type according to the authors. Indicative coordinates.
δ34S in ‰ (per mil) Values of the same system
Standard : V-CDT
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| −2.5 ± 2.9 ‰ | −4.6 / −0.5 ‰ | 2 | disseminated ore (pentlandite) Mean and standard deviation recalculated from 2 analyses, a single sample (88) analysed twice, 4 ‰ apart. | Donnelly et al. (1977), A reconnaissance study of stable isotope ratios in Archaean rocks… |
δ13C in ‰ (per mil) Values of the same system
Standard : V-PDB
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| −5.2 ‰ | 1 | ultramafic host-rock carbonate (talc-carbonate) Single analysis, sample 89. Dolomite, magnesite and minor calcite; magmatic CO2 according to the authors. | Donnelly et al. (1977), A reconnaissance study of stable isotope ratios in Archaean rocks… |
δ18O in ‰ (per mil) Values of the same system
Standard : V-SMOW
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 16.9 ‰ | 1 | ultramafic host-rock carbonate (talc-carbonate) Single analysis, sample 89. Dolomite, magnesite and minor calcite; magmatic CO2 according to the authors. | Donnelly et al. (1977), A reconnaissance study of stable isotope ratios in Archaean rocks… |
δ60Ni in ‰ (per mil) Values of the same system
Standard : NIST SRM 986
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| −0.7 ± 0.09 ‰ | −0.767 / −0.641 ‰ | 2 | massive sulphide ore (Spinifex Park) Mean and standard deviation recalculated from 2 analyses, drill cores MKTD21 and MKTD96, each analysed twice from the same powder (averaged). Δ33S of -0.6 ‰ (Bekker et al., 2009): assimilated crustal sulphur. | Gueguen et al. (2013), Nickel isotope variations in terrestrial silicate rocks and geolog… |
Deposits of the same type
- Mount Clifford (Mount Newman) Australia
- Perseverance Australia
- Mount Windarra Australia
- Carr Boyd Australia
- Scotia Australia
- Black Swan Australia
- Nepean Australia
- Kambalda Australia
Cite this page
IsoFind Atlas (2026). Mount Keith, isotope signatures. https://www.isofind.tech/isotopes/en/deposits/mount-keith/ (accessed 2026-10-13).
@misc{isofind2026mountkeithisotopesignatures,
title = {Mount Keith, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/mount-keith/},
note = {Accessed 2026-10-13}
}Updated : 2026-10-13