Antamina experimental waste rock drainage
Ancash, Antamina mine, Peru
Mine tailings and waste rock
- Type
- Mine tailings and waste rock
Leachates from weathering experiments on intrusion, exoskarn, hornfels and marble waste rock, pH 2.2 to 8.6. Dissolved Mo heavier than molybdenites (probably adsorption); Zn lighter in alkaline conditions (adsorption or hydrozincite), close to sphalerite in acidic conditions. Indicative coordinates.
δ98Mo in ‰ (per mil) Values of the same system
Standard : NIST SRM 3134
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 0.89 ± 0.63 ‰ | −0.15 / 2.07 ‰ | 16 | Mean and standard deviation recalculated from 16 water samples, Table 1. Published mean 0.89 ± 1.25 ‰ (2 SD); Celda-07, rich in molybdenite, stays close to the source. | Skierszkan et al. (2016), Molybdenum and zinc stable isotope variation in mining waste ro… |
δ66Zn in ‰ (per mil) Values of the same system
Standard : PCIGR-1 Zn
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 0.22 ± 0.11 ‰ | 0.15 / 0.3 ‰ | 2 | Mean and standard deviation recalculated from 2 water samples, Table 2. Acidic drainage (pH 2.2 and 2.9): sphalerite signature. | Skierszkan et al. (2016), Molybdenum and zinc stable isotope variation in mining waste ro… |
| −0.08 ± 0.13 ‰ | −0.35 / 0.07 ‰ | 9 | Mean and standard deviation recalculated from 9 water samples, Table 2. Neutral to alkaline drainage (pH 6.1 to 8.6), lighter than sphalerite. | Skierszkan et al. (2016), Molybdenum and zinc stable isotope variation in mining waste ro… |
Deposits of the same type
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- Vinto smelter slag Bolivia
- Barro Alto ferronickel plant Brazil
- Niquelândia ferronickel plant (Codemin) Brazil
- Black Angel mine tailings (Affarlikassaa fjord) Greenland
- Hourcade metallurgical site slags France
- Viviez plant metallurgical tailings (Dunet and Igue de Mas heaps) France
- Nikel smelter (Zapolyarny concentrate and slag) Russia
Cite this page
IsoFind Atlas (2026). Antamina experimental waste rock drainage, isotope signatures. https://www.isofind.tech/isotopes/en/sites/drainages-des-haldes-experimentales-d-antamina/ (accessed 2026-10-13).
@misc{isofind2026antaminaexperimentalwasterock,
title = {Antamina experimental waste rock drainage, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/sites/drainages-des-haldes-experimentales-d-antamina/},
note = {Accessed 2026-10-13}
}Updated : 2026-10-13