Microbial gas

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Also called marsh gas or biogenic gas; typically greater than 99% methane produced by methanogenic microbes in shallow sediments at temperatures less than 80°C. Microbial methane is generally depleted in 13C compared with thermogenic gas.[1]


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References

  1. Peters, Kenneth E., David J. Curry, and Marek Kacewicz, 2012, An overview of basin and petroleum system modeling: Definitions and concepts, in Peters, Kenneth E., David J. Curry, and Marek Kacewicz, eds., Basin modeling: New horizons in research and applications: AAPG Hedberg Series no. 4, p. 1-16.