The H2/CH4 ratio during serpentinization cannot reliably identify biological signatures

Article English OPEN
Huang, Ruifang; Sun, Weidong; Liu, Jinzhong; Ding, Xing; Peng, Shaobang; Zhan, Wenhuan;
(2016)

Serpentinization potentially contributes to the origin and evolution of life during early history of the Earth. Serpentinization produces molecular hydrogen (H2) that can be utilized by microorganisms to gain metabolic energy. Methane can be formed through reactions bet... View more
  • References (60)
    60 references, page 1 of 6

    Charlou J. L.. Mineral and gas chemistry of hydrothermal fluids on an ultrafast spreading ridge: East Pacific rise, 17° to 19°S (Naudur cruise, 1993) phase separation processes controlled by volcanic and tectonic activity. J. Geophys. Res.101, 15899–15919 (1996).

    Charlou J. L.. Intense CH 4 plumes generated by serpentinization of ultramafic rocks at the intersection of the 15°20′N fracture zone and the Mid-Atlantic Ridge. Geochim. Cosmochim. Acta 62(13), 2323–2333 (1998).

    Charlou J. L., Donval J. P., Fouquet Y., Jean-Baptiste P. & Holm N. Geochemistry of high H 2 and CH 4 vent fluids issuing from ultramafic rocks at the Rainbow hydrothermal field (36°14′N, MAR). Chem. Geol. 191, 345–359 (2002).

    Hyndman R. D. & Peacock S. M. Serpentinization of the forearc mantle. Earth Planet Sci. Lett. 212, 417–432 (2003).

    Mével C.Serpentinization of abyssal peridotites at mid-ocean ridges. C. R. Geosci.335, 82 5–852 (2003).

    Evans B. W., Hattori K. & Baronnet A. Serpentinite: What, why, where? Elements 9, 99–106 (2013).

    Ehlmann B. L.. Identification of hydrated silicate minerals on Mars using MRO-CRISM: Geologic context near Nili Fossae and implications for aqueous alteration. J. Geophys. Res.114, E00D08 (2009).

    Ehlmann B. L., Mustard J. F. & Murchie S. L. Geologic setting of serpentine deposits on Mars. Geophys. Res. Lett. 37, L06201 (2010).

    Escartín J., Hirth G. & Evans B. Strength of slightly serpentinized peridotites: implications for the tectonics of oceanic lithosphere. Geology 29, 1023–1026 (2001).

  • Metrics
    No metrics available
Share - Bookmark