Water, air, Earth and cosmic radiation

Origins of Life and Evolution of the Biosphere : the Journal of the International Society for the Study of the Origin of Life
Marie-Paule Bassez

Abstract

In the context of the origin of life, rocks are considered mainly for catalysis and adsorption-desorption processes. Here it is shown how some rocks evolve in energy and might induce synthesis of molecules of biological interest. Radioactive rocks are a source of thermal energy and water radiolysis producing molecular hydrogen, H2. Mafic and ultramafic rocks evolve in water and dissolved carbon dioxide releasing thermal energy and H2. Peridotites and basalts contain ferromagnesian minerals which transform through exothermic reactions with the generation of heat. These reactions might be triggered by any heating process such as radioactive decay, hydrothermal and subduction zones or post-shock of meteorite impacts. H2 might then be generated from endothermic hydrolyses of the ferromagnesian minerals olivine and pyroxene. In both cases of mafic and radioactive rocks, production of CO might occur through high temperature hydrogenation of CO2. CO, instead of CO2, was proven to be necessary in experiments synthesizing biological-type macromolecules with a gaseous mixture of CO, N2 and H2O. In the geological context, N2 is present in the environment, and the activation source might arise from cosmic radiation and/or radionuclides. Fe...Continue Reading

References

Apr 3, 2004·Science·Dionysis I Foustoukos, William E Seyfried
Mar 6, 2010·Science·John A TardunoYoichi Usui
Jun 30, 2012·Chemical Society Reviews·H James CleavesRobert Hazen
Aug 14, 2012·Origins of Life and Evolution of the Biosphere : the Journal of the International Society for the Study of the Origin of Life·Marie-Paule BassezKensei Kobayashi
Sep 21, 2013·Science·Bernard MartyPascal Philippot
Jan 10, 2014·Origins of Life and Evolution of the Biosphere : the Journal of the International Society for the Study of the Origin of Life·Pramod PandeyMohan Singh Mehata

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Citations

Apr 1, 2017·Origins of Life and Evolution of the Biosphere : the Journal of the International Society for the Study of the Origin of Life·Marie-Paule Bassez
Aug 23, 2020·International Journal of Molecular Sciences·Jarosław NuszkiewiczKarolina Szewczyk-Golec
Apr 25, 2018·Nature Ecology & Evolution·Sreejith J VarmaJoseph Moran

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