Sterling Hill
New Jersey, Sussex County (Ogdensburg), United States
OtherZn (Mn)
- Type
- Metamorphosed stratiform willemite-franklinite-zincite deposit
Stratiform zinc deposit metamorphosed at high grade in Proterozoic marbles, rich in Mn and Mg. Indicative coordinates.
δ18O in ‰ (per mil) Values of the same system
Standard : V-SMOW
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 5.8 ± 0.2 ‰ | 5.65 / 6 ‰ | 3 | massive willemite Mean and standard deviation recalculated from 3 specimens, Table 3. Duplicates averaged per specimen before computation. Formed at about 200 to 600 °C from a 5 to 10 ‰ fluid. | Mondillo et al. (2020), New insights into the genesis of willemite (Zn2SiO4) from zinc no… |
| 14.14 ± 1.86 ‰ | 11.75 / 17.55 ‰ | 10 | calcite of ore layers Mean and standard deviation recalculated from 10 samples, Table 9. Duplicates averaged per sample before computation. The host Franklin Marble is heavier (19 to 25 ‰), with a depleted halo around the deposit. | Johnson et al. (1990), Petrology and stable isotope geochemistry of the metamorphosed zin… |
| 9.76 ± 1.2 ‰ | 8.5 / 11.3 ‰ | 6 | disseminated willemite of ore layers Mean and standard deviation recalculated from 6 samples, Table 9. Duplicates averaged per sample before computation. J871 excluded (largely replaced willemite, 7.4 to 7.6 ‰). | Johnson et al. (1990), Petrology and stable isotope geochemistry of the metamorphosed zin… |
| 6.4 ± 1.99 ‰ | 3.5 / 11.1 ‰ | 10 | franklinite Mean and standard deviation recalculated from 10 samples, Table 9. Duplicates averaged per sample before computation. Zheng (1996) derives from calcite-franklinite and calcite-zincite pairs isotopic temperatures of 410 to 630 °C. | Johnson et al. (1990), Petrology and stable isotope geochemistry of the metamorphosed zin… |
| 4.95 ± 0.88 ‰ | 3.95 / 5.6 ‰ | 3 | zincite Mean and standard deviation recalculated from 3 samples, Table 9. Duplicates averaged per sample before computation. Zheng (1996) derives from calcite-franklinite and calcite-zincite pairs isotopic temperatures of 410 to 630 °C. | Johnson et al. (1990), Petrology and stable isotope geochemistry of the metamorphosed zin… |
| 7.75 ± 1.06 ‰ | 7 / 8.5 ‰ | 2 | tephroite Mean and standard deviation recalculated from 2 samples, Table 9. Duplicates averaged per sample before computation. | Johnson et al. (1990), Petrology and stable isotope geochemistry of the metamorphosed zin… |
| 12.56 ± 1.16 ‰ | 11.26 / 15.12 ‰ | 26 | calcite coexisting with zinc minerals (transects SH1 to SH26) Mean and standard deviation recalculated from 26 samples, Table 1. No trend with distance in the southern transect (SH1 to SH19). | Matt et al. (2022), Zinc isotope constraints on the formation of sedimentary exhalative (… |
δ13C in ‰ (per mil) Values of the same system
Standard : V-PDB
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 0.32 ± 0.6 ‰ | −1 / 1 ‰ | 10 | calcite of ore layers Mean and standard deviation recalculated from 10 samples, Table 9. Duplicates averaged per sample before computation. | Johnson et al. (1990), Petrology and stable isotope geochemistry of the metamorphosed zin… |
| 0.83 ± 0.48 ‰ | −0.19 / 1.46 ‰ | 26 | calcite coexisting with zinc minerals (transects SH1 to SH26) Mean and standard deviation recalculated from 26 samples, Table 1. Lower values in the northern transect (SH20 to SH26). | Matt et al. (2022), Zinc isotope constraints on the formation of sedimentary exhalative (… |
δ66Zn in ‰ (per mil) Values of the same system
Standard : JMC 3-0749L
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 0.17 ± 0.16 ‰ | −0.1 / 0.48 ‰ | 18 | franklinite Mean and standard deviation recalculated from 18 samples, Table 1. Ore metamorphosed at granulite facies (about 769 °C). Lightest phase: Fr < willemite < zincite. | Matt et al. (2022), Zinc isotope constraints on the formation of sedimentary exhalative (… |
| 0.4 ± 0.08 ‰ | 0.3 / 0.48 ‰ | 4 | willemite Mean and standard deviation recalculated from 4 samples, Table 1. Ore metamorphosed at granulite facies (about 769 °C). | Matt et al. (2022), Zinc isotope constraints on the formation of sedimentary exhalative (… |
| 0.52 ± 0.09 ‰ | 0.36 / 0.6 ‰ | 6 | zincite Mean and standard deviation recalculated from 6 samples, Table 1. Ore metamorphosed at granulite facies (about 769 °C). Heaviest phase. | Matt et al. (2022), Zinc isotope constraints on the formation of sedimentary exhalative (… |
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Cite this page
IsoFind Atlas (2026). Sterling Hill, isotope signatures. https://www.isofind.tech/isotopes/en/deposits/sterling-hill/ (accessed 2026-10-13).
@misc{isofind2026sterlinghillisotopesignatures,
title = {Sterling Hill, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/sterling-hill/},
note = {Accessed 2026-10-13}
}Updated : 2026-10-13