Deep-branching acetogens in serpentinized subsurface fluids of Oman
Little is known of acetogens in contemporary serpentinizing systems, despite widely
supported theories that serpentinite-hosted environments supported the first life on Earth via …
supported theories that serpentinite-hosted environments supported the first life on Earth via …
Physiological adaptations to serpentinization in the Samail Ophiolite, Oman
Hydration of ultramafic rock during the geologic process of serpentinization can generate
reduced substrates that microorganisms may use to fuel their carbon and energy …
reduced substrates that microorganisms may use to fuel their carbon and energy …
Molecular evidence for an active microbial methane cycle in subsurface serpentinite-hosted groundwaters in the Samail Ophiolite, Oman
Serpentinization can generate highly reduced fluids replete with hydrogen (H2) and
methane (CH4), potent reductants capable of driving microbial methanogenesis and …
methane (CH4), potent reductants capable of driving microbial methanogenesis and …
Geochemical, biological, and clumped isotopologue evidence for substantial microbial methane production under carbon limitation in serpentinites of the Samail …
DB Nothaft, AS Templeton, JH Rhim… - Journal of …, 2021 - Wiley Online Library
In hyperalkaline () fluids that have participated in low‐temperature (< 150) serpentinization
reactions, the dominant form of C is often methane (), but the origin of this is uncertain. To …
reactions, the dominant form of C is often methane (), but the origin of this is uncertain. To …
Energetically informed niche models of hydrogenotrophs detected in sediments of serpentinized fluids of the Samail Ophiolite of Oman
A geochemical gradient established by mixing between reduced, hyperalkaline (pH> 11),
H2‐rich fluids generated through the process of serpentinization and surrounding surface …
H2‐rich fluids generated through the process of serpentinization and surrounding surface …
Modern water/rock reactions in Oman hyperalkaline peridotite aquifers and implications for microbial habitability
Abstract The Samail ophiolite in Oman is undergoing modern hydration and carbonation of
peridotite and may host a deep subsurface biosphere. Previous investigations of …
peridotite and may host a deep subsurface biosphere. Previous investigations of …
Methane origin in the Samail Ophiolite: comment on “Modern water/rock reactions in Oman hyperalkaline peridotite aquifers and implications for microbial habitability” …
G Etiope - Geochimica et Cosmochimica Acta, 2017 - earth-prints.org
Miller et al.(2016) report a new study of fluids in the peridotites of the Samail ophiolite in
Oman related to modern serpentinization (olivine hydration), a process that can provide …
Oman related to modern serpentinization (olivine hydration), a process that can provide …
Theoretical predictions versus environmental observations on serpentinization fluids: lessons from the Samail ophiolite in Oman
Thermodynamic calculations provide valuable insights into the reactions that drive the
profound fluid transformations during serpentinization, where surface fluids are transformed …
profound fluid transformations during serpentinization, where surface fluids are transformed …
Diversification of methanogens into hyperalkaline serpentinizing environments through adaptations to minimize oxidant limitation
Metagenome assembled genomes (MAGs) and single amplified genomes (SAGs) affiliated
with two distinct Methanobacterium lineages were recovered from subsurface fracture …
with two distinct Methanobacterium lineages were recovered from subsurface fracture …
H2 and CH4 outgassing rates in the Samail ophiolite, Oman: implications for low-temperature, continental serpentinization rates
Abstract Reduced (H 2-and CH 4-rich) and hyperalkaline fluids are products of subsurface
reactions accompanying serpentinization of ultramafic rocks. H 2 and CH 4 produced during …
reactions accompanying serpentinization of ultramafic rocks. H 2 and CH 4 produced during …