ABIOTIC METHANE ON EARTH

@article{Etiope2013ABIOTICMO,
  title={ABIOTIC METHANE ON EARTH},
  author={Giuseppe Etiope and Barbara Sherwood Lollar},
  journal={Reviews of Geophysics},
  year={2013},
  volume={51},
  pages={276 - 299}
}
Over the last 30 years, geochemical research has demonstrated that abiotic methane (CH4), formed by chemical reactions which do not directly involve organic matter, occurs on Earth in several specific geologic environments. It can be produced by either high‐temperature magmatic processes in volcanic and geothermal areas, or via low‐temperature (<100°C) gas‐water‐rock reactions in continental settings, even at shallow depths. The isotopic composition of C and H is a first step in distinguishing… 
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