Huanuni
Oruro department, Bolivia
Other hydrothermalSn (W, Pb, Ag, Zn)
- Type
- Tin veins and breccias between porphyry and epithermal levels
Magmatic-hydrothermal deposit of the Bolivian tin belt (Eastern Cordillera). Bolivia's largest active tin mine, 30 km north-west of Llallagua, in Palaeozoic quartzites and shales. Indicative coordinates. Position of Cerro Posokoni.
δ124Sn in ‰ (per mil) Values of the same system
Standard : NIST SRM 3161a
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 1.37 ± 0.04 ‰ | 1.34 / 1.42 ‰ | 3 | cassiterite Mean and standard deviation recalculated from 3 samples, Table 1. Heaviest tin of the belt, with Llallagua. | Hirsh et al. (2026), Province-scale tin and zinc stable isotope fractionation trends in t… |
| 0.88 ‰ | 1 | cassiterite One analysis, Table 2. Ore age used by the authors: 24 Ma. | Mathur et al. (2025), Global Sn isotope compositions of cassiterite identify the magmatic… |
δ66Zn in ‰ (per mil) Values of the same system
Standard : JMC 3-0749L
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| −0.08 ‰ | 1 | sphalerite (later than cassiterite) One analysis, Table 1. Light zinc, at odds with the heavy tin. | Hirsh et al. (2026), Province-scale tin and zinc stable isotope fractionation trends in t… |
Deposits of the same type
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- Poopó Bolivia
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- Colcha Bolivia
- Colquiri Bolivia
- Chicote Bolivia
- Sayaquira Bolivia
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Cite this page
IsoFind Atlas (2026). Huanuni, isotope signatures. https://www.isofind.tech/isotopes/en/deposits/huanuni/ (accessed 2026-10-13).
@misc{isofind2026huanuniisotopesignatures,
title = {Huanuni, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/huanuni/},
note = {Accessed 2026-10-13}
}Updated : 2026-10-13