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Progress in Earth and Planetary Science
Fig. 6 | Progress in Earth and Planetary Science

Fig. 6

From: Hydrogen-rich hydrothermal environments in the Hadean ocean inferred from serpentinization of komatiites at 300 °C and 500 bar

Fig. 6

Comparison of H2 concentrations in hydrothermal fluid from experiments and modern natural hydrothermal vent systems. Data sources: Al2O3-5 % komatiite experiment with pure water at 300 °C and 500 bar (Yoshizaki et al. 2009), lherzolite experiment at 200 °C and 500 bar (Seyfried et al. 2007), four experiments with Ol, Opx, and/or Cpx at 400 °C and 500 bar (Allen and Seyfried 2003), EPR 9°50′N (Lilley et al. 2003; Von Damm and Lilley 2004), EPR 13°N (Von Damm 1995), EPR 17–19°S (Charlou et al. 1996b), EPR 21°S (Lilley et al. 1983), Lucky Strike and Menez Gwen (Charlou et al. 2000), MARK-1/2 (Charlou et al. 2002), TAG (Charlou et al. 1996a), Logatchev and Rainbow (Charlou et al. 2002), Kairei (Gallant and Von Damm 2006; Kumagai et al. 2008), and Lost City (Proskurowski et al. 2006). The H2 concentrations of seafloor hydrothermal fluids were mainly obtained from the compilation of Nakamura and Takai (2014). Mineral abbreviations: Ol = olivine, Opx = orthopyroxene, Cpx = clinopyroxene

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