Organic, Gas, and Element Geochemistry of Hydrothermal Fluids of the Newly Discovered Extensive Hydrothermal Area in the Wallis and Futuna Region (SW Pacific)

Figure 7

Modified after Etiope and Sherwood Lollar [9]. The isotopic composition of CH₄ in the Fatu Kapa fluids falls into the abiotic gas category but differs from the typical isotopic signature of CH₄ at Mid-Atlantic Ridge’s vent fields.