Eyller Bruch bog iron ore
Lower Rhine (North Rhine-Westphalia), Germany
OtherFe
- Type
- Bog iron ore (goethite)
Bog iron ore, formed by precipitation of dissolved groundwater iron in wet soils. Its iron composition varies widely between nodules and even within a nodule, which limits its use for provenance.
δ56Fe in ‰ (per mil) Values of the same system
Standard : IRMM-014
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| −0.19 ± 0.14 ‰ | −0.39 / 0.03 ‰ | 7 | nodules and clays (Tote Rahm) Mean and standard deviation of 7 analyses. | Rose et al. (2019), Questioning Fe isotopes as a provenance tool: Insights from bog iron … |
| −0.55 ± 0.35 ‰ | −1.29 / −0.09 ‰ | 11 | nodules and crusts (Gelderner Fleuth) Mean and standard deviation of 11 analyses. | Rose et al. (2019), Questioning Fe isotopes as a provenance tool: Insights from bog iron … |
| 0.36 ± 0.49 ‰ | 0.03 / 1.16 ‰ | 5 | ore used for an experimental smelt Mean and standard deviation of 5 analyses. | Rose et al. (2019), Questioning Fe isotopes as a provenance tool: Insights from bog iron … |
Deposits of the same type
- Lahn-Dill ores (Grube Fortuna, Wetzlar) Germany
- Stelvio Italy
- Oris Italy
- Kupferschiefer, Lubin-Sieroszowice district Poland
- Timna Israël
- Central African Copperbelt (whole province) DR Congo and Zambia
- Zankan China
- Witwatersrand basin South Africa
Cite this page
IsoFind Atlas (2026). Eyller Bruch bog iron ore, isotope signatures. https://www.isofind.tech/isotopes/en/deposits/minerai-de-fer-des-marais-d-eyller-bruch/ (accessed 2026-10-06).
@misc{isofind2026eyllerbruchbogironoreisotopes,
title = {Eyller Bruch bog iron ore, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/minerai-de-fer-des-marais-d-eyller-bruch/},
note = {Accessed 2026-10-06}
}Updated : 2026-10-06