ArticleJACS Au2026
Formation of Abiogenic Hydrocarbons in Supercritical Fluids under Earth's Upper Mantle Conditions.
Article in JACS Au, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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3 authors.
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Abstract
The formation of hydrocarbons in Earth's interior has traditionally been considered to have biogenic origins; however, growing evidence suggests that some hydrocarbons may instead originate abiotically in the deep carbon cycle. It is widely expected that the Fischer-Tropsch-type (FTT) process, which typically refers to the conversion of inorganic carbon to organic matter in geological settings, may also happen in Earth's interior, but the absence of industrial catalysts and aqueous conditions in deep environments suggest that the FTT process can be very different from that in the chemical industry. Here, we performed extensive ab initio molecular dynamics (AIMD) simulations (>2.4 ns) to investigate the FTT synthesis in dry mixtures and in aqueous solutions at 10-13 GPa and 1000-1400 K. We found that large hydrocarbon-related species containing C, O, and H (>C
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