Masua
Masua, southwestern Sardinia, Italy
Mississippi Valley TypeZn-Pb
- Type
- Stratabound ore in Cambrian carbonates
Lead-silver deposit of the Iglesiente-Sulcis mining district. Lead and silver isotopes were measured to evaluate possible sources of ancient silver.
206Pb/204Pb isotope ratio, no unit Values of the same system
Standard : NIST SRM 981
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 17.9074 ± 0.0006 | galena Sample Ag-10, single analysis; 2σ uncertainty. | Albarède et al. (2024), Ag and Pb isotope systematics in galena ores from southern Sardin… |
207Pb/204Pb isotope ratio, no unit Values of the same system
Standard : NIST SRM 981
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 15.6603 ± 0.0004 | galena Sample Ag-10, single analysis; 2σ uncertainty. | Albarède et al. (2024), Ag and Pb isotope systematics in galena ores from southern Sardin… |
208Pb/204Pb isotope ratio, no unit Values of the same system
Standard : NIST SRM 981
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 38.038 ± 0.001 | galena Sample Ag-10, single analysis; 2σ uncertainty. | Albarède et al. (2024), Ag and Pb isotope systematics in galena ores from southern Sardin… |
ε109Ag in ε units (parts per 10,000) Values of the same system
Standard : NIST SRM 978a
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| −1.13 ± 0.3 ε | galena Sample Ag-10; standard error. | Albarède et al. (2024), Ag and Pb isotope systematics in galena ores from southern Sardin… |
Deposits of the same type
- Malfidano Italy
- Monteponi Italy
- Durfort France
- Saint-Félix-de-Pallières France
- Les Malines France
- Cusses (Brusque) France
- Gisements MVT Rhénan (Bleiberg, Mechernich) Germany/Austria
- Southern Appalachians MVT United States
Cite this page
IsoFind Atlas (2026). Masua, isotope signatures. https://www.isofind.tech/isotopes/en/deposits/masua/ (accessed 2026-10-06).
@misc{isofind2026masuaisotopesignatures,
title = {Masua, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/masua/},
note = {Accessed 2026-10-06}
}Updated : 2026-10-06