Stepnyak
Northern Kazakhstan (Akmola), Kazakhstan
Other hydrothermalAu (W)
- Type
- Gold (± tungsten) quartz veins
Gold-scheelite veins in diorite, Early Palaeozoic. Indicative coordinates.
206Pb/204Pb isotope ratio, no unit Values of the same system
Standard : NIST SRM 981
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 18.111 | 1 | scheelite One analysis, Table 2. Measured ratios, not age-corrected: the author regards them as close to initial common lead. | Chiaradia (2003), The evolution of tungsten sources in crustal mineralization from Archea… |
207Pb/204Pb isotope ratio, no unit Values of the same system
Standard : NIST SRM 981
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 15.671 | 1 | scheelite One analysis, Table 2. Measured ratios, not age-corrected: the author regards them as close to initial common lead. | Chiaradia (2003), The evolution of tungsten sources in crustal mineralization from Archea… |
208Pb/204Pb isotope ratio, no unit Values of the same system
Standard : NIST SRM 981
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 38.219 | 1 | scheelite One analysis, Table 2. Measured ratios, not age-corrected: the author regards them as close to initial common lead. | Chiaradia (2003), The evolution of tungsten sources in crustal mineralization from Archea… |
Deposits of the same type
Cite this page
IsoFind Atlas (2026). Stepnyak, isotope signatures. https://www.isofind.tech/isotopes/en/deposits/stepnyak/ (accessed 2026-10-13).
@misc{isofind2026stepnyakisotopesignatures,
title = {Stepnyak, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/stepnyak/},
note = {Accessed 2026-10-13}
}Updated : 2026-10-13