Lak
Urumieh-Dokhtar zone, Iran
Other hydrothermalPb-Zn
- Type
- Fault-zone Pb-Zn veins in Eocene volcanic rocks
Veins and veinlets associated with a fault zone in Eocene volcanic rocks. Lead of Urumieh-Dokhtar zone deposits more radiogenic (206Pb/204Pb from 18.65 to 18.92) than in the Sanandaj-Sirjan zone, from a mantle-modified crustal source (Mirnejad et al., 2011). Coordinates not given.
206Pb/204Pb isotope ratio, no unit Values of the same system
Standard : NIST SRM 981
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 18.647 ± 0.004 | 1 | galena Single analysis; μ = 9.653 and κ = 3.828 calculated by the authors. | Mirnejad et al. (2011), Pb isotopic compositions of some Zn-Pb deposits and occurrences f… |
207Pb/204Pb isotope ratio, no unit Values of the same system
Standard : NIST SRM 981
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 15.606 ± 0.003 | 1 | galena Single analysis; μ = 9.653 and κ = 3.828 calculated by the authors. | Mirnejad et al. (2011), Pb isotopic compositions of some Zn-Pb deposits and occurrences f… |
208Pb/204Pb isotope ratio, no unit Values of the same system
Standard : NIST SRM 981
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 38.668 ± 0.008 | 1 | galena Single analysis; μ = 9.653 and κ = 3.828 calculated by the authors. | Mirnejad et al. (2011), Pb isotopic compositions of some Zn-Pb deposits and occurrences f… |
Deposits of the same type
Cite this page
IsoFind Atlas (2026). Lak, isotope signatures. https://www.isofind.tech/isotopes/en/deposits/lak/ (accessed 2026-10-15).
@misc{isofind2026lakisotopesignatures,
title = {Lak, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/lak/},
note = {Accessed 2026-10-15}
}Updated : 2026-10-15