Monteponi
Iglesias, southwestern Sardinia, Italy
Mississippi Valley TypePb-Ag (Zn)
- 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 |
|---|---|---|---|---|
| 17.8984 ± 0.0006 | galena Sample Ag-03, single analysis; 2σ uncertainty. | Albarède et al. (2024), Ag and Pb isotope systematics in galena ores from southern Sardin… | ||
| 17.7926 ± 0.0008 | anglesite and galena Sample ENSMP69318, 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 |
|---|---|---|---|---|
| 15.653 ± 0.0006 | galena Sample Ag-03, single analysis; 2σ uncertainty. | Albarède et al. (2024), Ag and Pb isotope systematics in galena ores from southern Sardin… | ||
| 15.6389 ± 0.0007 | anglesite and galena Sample ENSMP69318, 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 |
|---|---|---|---|---|
| 38.01 ± 0.002 | galena Sample Ag-03, single analysis; 2σ uncertainty. | Albarède et al. (2024), Ag and Pb isotope systematics in galena ores from southern Sardin… | ||
| 37.883 ± 0.002 | anglesite and galena Sample ENSMP69318, 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 |
|---|---|---|---|---|
| −4.38 ± 0.33 ε | galena Sample Ag-03; standard error. | Albarède et al. (2024), Ag and Pb isotope systematics in galena ores from southern Sardin… | ||
| −1.36 ± 0.32 ε | anglesite and galena Sample ENSMP69318; standard error. | Albarède et al. (2024), Ag and Pb isotope systematics in galena ores from southern Sardin… |
Deposits of the same type
- Masua Italy
- Malfidano 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). Monteponi, isotope signatures. https://www.isofind.tech/isotopes/en/deposits/monteponi/ (accessed 2026-10-06).
@misc{isofind2026monteponiisotopesignatures,
title = {Monteponi, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/monteponi/},
note = {Accessed 2026-10-06}
}Updated : 2026-10-06