Wallaby
Western Australia, Laverton greenstone belt, Australia
Orogenic goldAu
- Type
- Orogenic gold (Archaean greenstone belt)
Laverton greenstone belt (north-eastern Eastern Goldfields Province, Yilgarn Craton), greenschist-facies metamorphism. Orogenic gold dated at about 2.65 Ga across the district (hydrothermal monazite and xenotime, SHRIMP U-Pb), unrelated in age to nearby granitoids: a single fluid from a deep, distal source according to the authors; regional fluid calculated at 300 °C at δ13C -3.9 ‰ and δ18O +5.8 ‰. Polymict conglomerate cut by syenite dykes; 220 t Au at 3.3 g/t, in stacked subhorizontal lodes with dolomite, albite, sericite and pyrite. Published age of 2650 ± 5 Ma (Salier et al., 2004); H2O-CO2-NaCl fluid at 3-6 wt% NaCl eq., 270 ± 50 °C and 1.9 ± 0.6 kbar. Coordinates from Mindat.
δ34S in ‰ (per mil) Values of the same system
Standard : V-CDT
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 2.6 ± 1.88 ‰ | −0.7 / 6.1 ‰ | 16 | pyrite of the dolomite-albite-sericite altered conglomerate Mean and standard deviation recalculated from 16 analyses, including 11 analyses by S. Halley with the same method (drill holes WB117AD, WB131AD and WB207AD). | Salier et al. (2005), Geochronological and Stable Isotope Evidence for Widespread Orogeni… |
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Cite this page
IsoFind Atlas (2026). Wallaby, isotope signatures. https://www.isofind.tech/isotopes/en/deposits/wallaby/ (accessed 2026-10-14).
@misc{isofind2026wallabyisotopesignatures,
title = {Wallaby, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/wallaby/},
note = {Accessed 2026-10-14}
}Updated : 2026-10-14