| Ashanti (Obuasi) Ghana | | 12.9 / 22.2 ‰ | | hydrothermal vein carbonates | Oberthur et al. 1996, Economic Geology 91:289-301 |
| Ashanti (Obuasi) Ghana | | 12.8 / 15.6 ‰ | | auriferous vein quartz | Oberthur et al. 1996, Economic Geology 91:289-301 |
| Boliden Sweden | | 10.7 / 13.5 ‰ | | peripheral Zn-Pb-Sb-Au mineralisation (sedimentary exhalative) | Origin of Zn-Pb-Sb-Au mineralization adjacent to the Boliden VMS, Mineralium Deposita 2017 |
| Cerro Negro (Marianas-San Marcos vein system) Argentina | | −3 / 0 ‰ | | hydrothermal fluid (water δ18O) | Vidal et al. 2016, Mineralium Deposita |
| Dannemora Sweden | | −1.2 / −0.4 ‰ | 5 | magnetite (Dannemora, Björnberget, Striberg) | Troll et al. (2019), Global Fe-O isotope correlation reveals magmatic origin of Kiruna-ty… |
| Bafq district Iran | | 0.6 / 3.4 ‰ | 6 | magnetite | Troll et al. (2019), Global Fe-O isotope correlation reveals magmatic origin of Kiruna-ty… |
| El Laco Chile | | −4.3 / 4.4 ‰ | 6 | magnetite | Troll et al. (2019), Global Fe-O isotope correlation reveals magmatic origin of Kiruna-ty… |
| Gongchangling China | −1.32 ± 2.28 ‰ | −4 / 2.7 ‰ | 13 | high-grade ore magnetite | Wang et al. (2024), Paleoproterozoic hydrothermal overprinting over Neoarchean banded iro… |
| Gongchangling China | 1.8 ± 1.08 ‰ | 0.3 / 3.3 ‰ | 5 | BIF magnetite | Wang et al. (2024), Paleoproterozoic hydrothermal overprinting over Neoarchean banded iro… |
| Gongchangling China | 13.39 ± 1.29 ‰ | 10.3 / 15 ‰ | 15 | BIF quartz | Wang et al. (2024), Paleoproterozoic hydrothermal overprinting over Neoarchean banded iro… |
| Gongchangling China | 8.2 ± 1.57 ‰ | 6.5 / 9.6 ‰ | 3 | high-grade ore quartz | Wang et al. (2024), Paleoproterozoic hydrothermal overprinting over Neoarchean banded iro… |
| Grängesberg and Blötberget Sweden | | −1.1 / 2.8 ‰ | 16 | magnetite | Troll et al. (2019), Global Fe-O isotope correlation reveals magmatic origin of Kiruna-ty… |
| Kiirunavaara (Kiruna) Sweden | | −1 / 4.1 ‰ | 14 | magnetite | Troll et al. (2019), Global Fe-O isotope correlation reveals magmatic origin of Kiruna-ty… |
| Loulo (district de Gara-Yalea) Mali | | 15.1 / 19.5 ‰ | | hydrothermal dolomites (Loulo 0, P64) | Fouillac et al. 1993, Chemical Geology |
| Massawa Senegal | | 5.5 / 10.9 ‰ | | hydrothermal fluid (calculated water δ18O) | Treloar et al. 2015, Geological Society London Special Publications 393 |
| Matra France | 1.11 ‰ | 0.4 / 1.6 ‰ | 7 | first-generation dolomite | Filimon et al. (2026), Fluid sources and evolution in the As (±Sb) epithermal Matra depos… |
| Matra France | −3.8 ‰ | −4.4 / −3.4 ‰ | 3 | second-generation dolomite (MAT 2) | Filimon et al. (2026), Fluid sources and evolution in the As (±Sb) epithermal Matra depos… |
| Matra France | −0.93 ‰ | −1.1 / −0.7 ‰ | 3 | second-generation dolomite (MAT 32) | Filimon et al. (2026), Fluid sources and evolution in the As (±Sb) epithermal Matra depos… |
| Matra France | −2.2 ‰ | −2.8 / −1.6 ‰ | 2 | calcite (MAT 23b) | Filimon et al. (2026), Fluid sources and evolution in the As (±Sb) epithermal Matra depos… |
| Matra France | | 4.3 / 10.6 ‰ | | hydrothermal fluid (calculated water δ18O) | Filimon et al. (2026), Fluid sources and evolution in the As (±Sb) epithermal Matra depos… |
| Oyu Tolgoi Mongolia | | 8.8 / 20.1 ‰ | | alunite (sulfate) | Khashgerel et al. 2006, Economic Geology |
| Pueblo Viejo Dominican Republic | | 14.6 / 19.5 ‰ | | siderite (cement and concretions) | Kettler et al. 1992, Chemical Geology |