Qidashan
Anshan-Benxi, Liaoning, China
Banded iron formationsFe
- Type
- Neoarchaean banded iron formation, with high-grade magnetite ore
Anshan-type iron deposit north-east of Anshan city, hosted by the Yingtaoyuan Formation. Unlike Gongchangling, the pyrite sulfur of the high-grade ore and altered rocks is clearly heavier than that of the BIF, a sign of a distinct magmatic-hydrothermal source rich in arsenic and selenium.
δ34S in ‰ (per mil) Values of the same system
Standard : V-CDT
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 7 ‰ | 2.87 / 10.04 ‰ | 17 | BIF pyrite Mean and range of 17 in situ analyses (LA-MC-ICP-MS), individual data in the article supplement. | Wang et al. (2025), Ore-forming fluid for the formation of banded iron formation-hosted h… |
| 16.87 ‰ | 16.16 / 17.17 ‰ | 13 | altered-rock pyrite Mean and range of 13 in situ analyses (LA-MC-ICP-MS), individual data in the article supplement. | Wang et al. (2025), Ore-forming fluid for the formation of banded iron formation-hosted h… |
| 15.7 ‰ | 14.49 / 17.46 ‰ | 26 | high-grade magnetite ore pyrite Mean and range of 26 in situ analyses (LA-MC-ICP-MS), individual data in the article supplement. Values from the results section; the discussion gives 14.49 to 17.30‰ and a mean of 16.87‰. | Wang et al. (2025), Ore-forming fluid for the formation of banded iron formation-hosted h… |
Deposits of the same type
- Gongchangling China
- Jingshansi (Wuyang) China
- Marjajärvi (Marjarova) Sweden
- Isovaara (Masugnsbyn field) Sweden
- Isua (BIF) Greenland
- Iron Quadrangle, high-grade hematite ores (eastern region) Brazil
- Cauê Formation (Quadrilátero Ferrífero) Brazil
- Iron Quadrangle, high-grade hematite ores (western region) Brazil
Cite this page
IsoFind Atlas (2026). Qidashan, isotope signatures. https://www.isofind.tech/isotopes/en/deposits/qidashan/ (accessed 2026-10-13).
@misc{isofind2026qidashanisotopesignatures,
title = {Qidashan, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/qidashan/},
note = {Accessed 2026-10-13}
}Updated : 2026-10-13