| Gulf of Mexico, surface water (26°6′ N, 85°20′ W) | 0.22 ± 0.04 ‰ | 0.19 / 0.25 ‰ | 2 | filtered surface seawater (vanadium) | Wu et al. (2019), Vanadium isotope composition of seawater, Geochimica et Cosmochimica Ac… |
| Caiqi Guyot (Magellan Seamounts), Jiaolong dive 73 | −1.08 ± 0.05 ‰ | −1.15 / −0.99 ‰ | 9 | hydrogenetic Fe-Mn crust, bulk and slices (vanadium) | Wu et al. (2019), Vanadium isotopic fractionation during the formation of marine ferroman… |
| Caiwei Guyot (Magellan Seamounts), Jiaolong dives 69 to 71 | −1.07 ± 0.13 ‰ | −1.28 / −0.89 ‰ | 11 | hydrogenetic Fe-Mn crust, bulk and slices (vanadium) | Wu et al. (2019), Vanadium isotopic fractionation during the formation of marine ferroman… |
| Caiwei Guyot (Magellan Seamounts), Jiaolong dives 69 to 71 | −1.14 ± 0.15 ‰ | −1.36 / −0.97 ‰ | 9 | Fe-Mn crust OJ113-211T, profile from 1 to 10 cm (vanadium) | Wu et al. (2019), Vanadium isotopic fractionation during the formation of marine ferroman… |
| Sargasso Sea, BATS station | 0.14 ± 0.04 ‰ | 0.1 / 0.23 ‰ | 7 | unfiltered seawater, 150 to 750 m (vanadium) | Wu et al. (2019), Vanadium isotope composition of seawater, Geochimica et Cosmochimica Ac… |
| Weiyuan Seamount (Clarion-Clipperton Zone), Jiaolong dives 64 and 68 | −1.04 ‰ | | 1 | hydrogenetic Fe-Mn crust, whole rock (vanadium) | Wu et al. (2019), Vanadium isotopic fractionation during the formation of marine ferroman… |
| Weiyuan Seamount (Clarion-Clipperton Zone), Jiaolong dives 64 and 68 | −1.45 ± 0.15 ‰ | −1.63 / −1.31 ‰ | 5 | Fe-Mn nodules, whole rock (vanadium) | Wu et al. (2019), Vanadium isotopic fractionation during the formation of marine ferroman… |
| North Pacific, Station ALOHA (22°45′ N, 158° W) | 0.24 ‰ | | 1 | deep water at 3500 m (vanadium) | Wu et al. (2019), Vanadium isotope composition of seawater, Geochimica et Cosmochimica Ac… |
