| Doyashiki (Kannondo) Japan | −0.53 ± 0.58 ‰ | −1.57 / 0.03 ‰ | 10 | ferruginous chert and sediments (tetsusekiei) overlying the ore | Otake et al. (2021), Large Fe isotope fractionations in sulfide ores and ferruginous sedi… |
| Ezuri Japan | 0.33 ± 1.05 ‰ | −0.49 / 2 ‰ | 7 | ferruginous chert and sediments (tetsusekiei) overlying the ore | Otake et al. (2021), Large Fe isotope fractionations in sulfide ores and ferruginous sedi… |
| Fukazawa Japan | −1.39 ± 0.28 ‰ | −1.78 / −1.06 ‰ | 6 | black ore (kuroko) with sphalerite, galena and fine pyrite | Otake et al. (2021), Large Fe isotope fractionations in sulfide ores and ferruginous sedi… |
| Fukazawa Japan | −0.52 ‰ | | 1 | yellow ore (oko) with chalcopyrite and pyrite | Otake et al. (2021), Large Fe isotope fractionations in sulfide ores and ferruginous sedi… |
| Fukazawa Japan | 0.6 ± 0.98 ‰ | −0.09 / 1.29 ‰ | 2 | ferruginous chert and sediments (tetsusekiei) overlying the ore | Otake et al. (2021), Large Fe isotope fractionations in sulfide ores and ferruginous sedi… |
| Kosaka Japan | −0.61 ± 0.52 ‰ | −1.29 / −0.05 ‰ | 5 | ferruginous chert and sediments (tetsusekiei) overlying the ore | Otake et al. (2021), Large Fe isotope fractionations in sulfide ores and ferruginous sedi… |
| Matsumine Japan | −1.26 ± 0.31 ‰ | −1.62 / −0.71 ‰ | 6 | black ore (kuroko) with sphalerite, galena and fine pyrite | Otake et al. (2021), Large Fe isotope fractionations in sulfide ores and ferruginous sedi… |
| Matsumine Japan | −0.42 ± 0.23 ‰ | −0.59 / −0.26 ‰ | 2 | yellow ore (oko) with chalcopyrite and pyrite | Otake et al. (2021), Large Fe isotope fractionations in sulfide ores and ferruginous sedi… |
| Matsumine Japan | −0.48 ± 0.01 ‰ | −0.49 / −0.47 ‰ | 2 | pyrite ore | Otake et al. (2021), Large Fe isotope fractionations in sulfide ores and ferruginous sedi… |
| Matsumine Japan | −0.49 ± 0.66 ‰ | −1.56 / 0.2 ‰ | 5 | ferruginous chert and sediments (tetsusekiei) overlying the ore | Otake et al. (2021), Large Fe isotope fractionations in sulfide ores and ferruginous sedi… |