| Huangjiawan (Niutitang Ni-Mo horizon) China | −0.84 ± 0.05 ‰ | | | Ni-Mo sulphidic horizon (whole rock) | Lehmann et al. (2022), Early Cambrian highly metalliferous black shale in South China: Cu… |
| Huangjiawan (Niutitang Ni-Mo horizon) China | −0.84 ± 0.09 ‰ | | 1 | P- and TOC-rich Ni-Mo sulphide bed (CHI-19, 0.2 m) | Pašava et al. (2019), Nickel isotopic variation in black shales from Bohemia, China, Cana… |
| Huangjiawan (Niutitang Ni-Mo horizon) China | −0.61 ± 0.1 ‰ | −0.711 / −0.507 ‰ | 3 | TOC-rich black shales just above the Ni-Mo bed (CHI-21 to CHI-23, 0.15 to 0.4 m) | Pašava et al. (2019), Nickel isotopic variation in black shales from Bohemia, China, Cana… |
| Huangjiawan (Niutitang Ni-Mo horizon) China | −0.14 ± 0.16 ‰ | −0.305 / 0.082 ‰ | 4 | phosphatic base and black shales below the Ni-Mo bed (CHI-13/1, 13/2, 14 and 16) | Pašava et al. (2019), Nickel isotopic variation in black shales from Bohemia, China, Cana… |
| Nick (Nick property) Canada | −0.04 ± 0.36 ‰ | −0.385 / 0.535 ‰ | 5 | black shale of the vaesite horizon (1.4 to 4.2 % Ni) | Pašava et al. (2019), Nickel isotopic variation in black shales from Bohemia, China, Cana… |
| Talvivaara Finland | 0.14 ± 0.32 ‰ | −0.085 / 0.367 ‰ | 2 | sulphidic black shales (drill cores 3433:321 at 193.18 m and 3344:329 at 118.68 m) | Pašava et al. (2019), Nickel isotopic variation in black shales from Bohemia, China, Cana… |