Barega

Name: Barega, isotope signatures
Creator: IsoFind

Iglesias, southwestern Sardinia, Italy

Other hydrothermalPb-Ag (Zn)

Type: Post-Variscan low-temperature veins and palaeokarst fillings

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
17.9699 ± 0.0005			galena Sample Ag-09, 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
15.6579 ± 0.0005			galena Sample Ag-09, 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
38.101 ± 0.001			galena Sample Ag-09, 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
−4.66 ± 0.27 ε			galena Sample Ag-09; standard error.	Albarède et al. (2024), Ag and Pb isotope systematics in galena ores from southern Sardin…

Deposits of the same type

Cite this page

IsoFind Atlas (2026). Barega, isotope signatures. https://www.isofind.tech/isotopes/en/deposits/barega/ (accessed 2026-10-06).

@misc{isofind2026baregaisotopesignatures,
  title = {Barega, isotope signatures},
  author = {{IsoFind Atlas}},
  year = {2026},
  url = {https://www.isofind.tech/isotopes/en/deposits/barega/},
  note = {Accessed 2026-10-06}
}

Updated : 2026-10-06