Clumped isotopologue constraints on the origin of methane at seafloor hot springs
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DOI: 10.1016/j.gca.2017.11.030
Abstract: Abstract Hot-spring fluids emanating from deep-sea vents hosted in unsedimented ultramafic and mafic rock commonly contain high concentrations of methane. Multiple hypotheses have been proposed for the origin(s) of this methane, ranging from synthesis via… read more here.
Keywords: fluid; hot springs; methane; origin methane ... See more keywords
Origin of methane-rich natural gas at the West Pacific convergent plate boundary
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DOI: 10.1038/s41598-017-15959-5
Abstract: Methane emission from the geosphere is generally characterized by a radiocarbon-free signature and might preserve information on the deep carbon cycle on Earth. Here we report a clear relationship between the origin of methane-rich natural… read more here.
Keywords: carbon; ch4; methane; plate boundary ... See more keywords
Comment on “The origin of methane in the East Siberian Arctic Shelf unraveled with triple isotope analysis” by Sapart et al. (2017)
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DOI: 10.5194/bg-15-4777-2018
Abstract: Abstract. In this comment, we outline two major concerns regarding some of the key data presented in this paper. Both of these concerns are associated with the natural abundance radiocarbon-methane ( 14C - CH4 )… read more here.
Keywords: comment; east siberian; methane east; methane ... See more keywords