Knoke, Melina; Dittmar, Thorsten; Niggemann, Jutta; Wagner, Sasha; Förster, Oliver; Leclerc, Ahlyia J.; Ulber, Ina Ida; Günther, Jana; Simon, Heike; Seidel, Michael (2026): Stable carbon isotope composition (δ¹³C) of dissolved black carbon in hot-water Soxhlet extracts [MS1.1] of Guaymas Basin deep subsurface sediments [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.997438 (DOI registration in progress)