Controls on the isotopic composition of microbial methane
Microbial methane production (methanogenesis) is responsible for more than half of the
annual emissions of this major greenhouse gas to the atmosphere. Although the stable …
annual emissions of this major greenhouse gas to the atmosphere. Although the stable …
Kinetic and equilibrium reactions on natural and laboratory generation of thermogenic gases from Type II marine shale
X Li, J Horita - Geochimica et Cosmochimica Acta, 2022 - Elsevier
The phenomenon that laboratory pyrolysis experiments produce much wetter gases than
those in natural reservoirs is a long-recognized and debated problem in the investigation of …
those in natural reservoirs is a long-recognized and debated problem in the investigation of …
Reversibility controls on extreme methane clumped isotope signatures from anaerobic oxidation of methane
Microbial anaerobic oxidation of methane (AOM) substantially mitigates atmospheric
methane emissions on Earth and is a process to consider for astrobiological targets where …
methane emissions on Earth and is a process to consider for astrobiological targets where …
Position-specific carbon isotopes of propane in coal systems in China
Y Shuai, B Bai, X Liu, X Wang, J Guo, Y Xiong - Fuel, 2024 - Elsevier
Evaluating the origin and fate of hydrocarbons holds significance in many fields, such as
energy, geology, astrobiology, biosphere, and environment. However, challenges arise in …
energy, geology, astrobiology, biosphere, and environment. However, challenges arise in …
Clumped methane isotopologue-based temperature estimates for sources of methane in marine gas hydrates and associated vent gases
Gas hydrates stored in the continental margins of the world's oceans represent the largest
global reservoirs of methane. Determining the source and history of methane from gas …
global reservoirs of methane. Determining the source and history of methane from gas …
Tracing the origin and formation mechanisms of coalbed gas from the Fuxin Basin in China using geochemical and isotopic signatures of the gas and coproduced …
X Chen, Y Wang, M Tao, Z Zhou, Z He… - International Journal of …, 2023 - Elsevier
Coalbed gas (CBG) is an unconventional natural gas with a large resource potential. In
order to determine its origins, formation pathways and mechanisms, studies on the …
order to determine its origins, formation pathways and mechanisms, studies on the …
Rate limits and isotopologue fractionations for microbial methanogenesis examined with combined pathway protein cost and isotopologue flow network models
Microbial methanogenesis produces a range of isotope (13 C/12 C and D/H) and
isotopologue (13 CH 3 D and 12 CH 2 D 2) fractionations. Differential reversibility of …
isotopologue (13 CH 3 D and 12 CH 2 D 2) fractionations. Differential reversibility of …
Moderate D/H ratios in methane ice on Eris and Makemake as evidence of hydrothermal or metamorphic processes in their interiors: Geochemical analysis
Abstract Dwarf planets Eris and Makemake have surfaces bearing methane ice of unknown
origin. This ice can provide important insights into the origin and evolution of volatiles in the …
origin. This ice can provide important insights into the origin and evolution of volatiles in the …
Experimental determination of hydrogen isotope exchange rates between methane and water under hydrothermal conditions
The hydrogen isotopic composition of methane (CH 4) is used as a fingerprint of gas origins.
Exchange of hydrogen isotopes between CH 4 and liquid water has been proposed to occur …
Exchange of hydrogen isotopes between CH 4 and liquid water has been proposed to occur …
Clumped and conventional isotopes of natural gas reveal basin burial, denudation, and biodegradation history
Formation and post-genetic alteration of hydrocarbons provide insights into the dynamic and
complex geologic, hydrologic, and microbial history of shallow crustal environments …
complex geologic, hydrologic, and microbial history of shallow crustal environments …