Abiotic Hydrogen And Hydrocarbons In Planetary Lithospheres, February 2020, Vol. 16, No. 1
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Molecular hydrogen (H2), methane, and hydrocarbons with an apparent abiotic origin have been observed in a variety of geologic settings, including serpentinized ultramafic rocks, submarine hydrothermal vents, and deep fractures within ancient cratons. Recent discoveries have reported the presence of hydrogen emanating from the icy crust of Saturn’s moon Enceladus, and methane in the atmosphere of Mars.
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