Serpentinization, carbon, and deep life
The aqueous alteration of ultramafic rocks through serpentinization liberates mantle carbon
and reducing power. Serpentinization occurs in numerous settings on present day Earth …
and reducing power. Serpentinization occurs in numerous settings on present day Earth …
Abiotic methane in continental ultramafic rock systems: Towards a genetic model
Abstract Methane (CH 4), often in substantial quantities, is reported for numerous surface
manifestations (seeps, springs) and aquifers in continental serpentinized ultramafic rocks, in …
manifestations (seeps, springs) and aquifers in continental serpentinized ultramafic rocks, in …
Earth's earliest and deepest purported fossils may be iron-mineralized chemical gardens
S McMahon - Proceedings of the Royal Society B, 2019 - royalsocietypublishing.org
Recognizing fossil microorganisms is essential to the study of life's origin and evolution and
to the ongoing search for life on Mars. Purported fossil microbes in ancient rocks include …
to the ongoing search for life on Mars. Purported fossil microbes in ancient rocks include …
Abiotic gas: atypical, but not rare
G Etiope, M Schoell - Elements, 2014 - pubs.geoscienceworld.org
Abiotic gaseous hydrocarbons comprise a fascinating, but poorly understood, group of Earth
fluids generated by magmatic and gas–water–rock reactions that do not directly involve …
fluids generated by magmatic and gas–water–rock reactions that do not directly involve …
Microbial diversity in The Cedars, an ultrabasic, ultrareducing, and low salinity serpentinizing ecosystem
S Suzuki, S Ishii, A Wu, A Cheung… - Proceedings of the …, 2013 - National Acad Sciences
The Cedars, in coastal northern California, is an active site of peridotite serpentinization. The
spring waters that emerge from this system feature very high pH, low redox potential, and …
spring waters that emerge from this system feature very high pH, low redox potential, and …
Characterization of hyperalkaline fluids produced by low‐temperature serpentinization of mantle peridotites in the Oman and Ligurian ophiolites
A regional survey of alkaline springs in Oman and Ligurian ophiolites shows that the
alkaline water compositions significantly vary from one ophiolite to the other and within the …
alkaline water compositions significantly vary from one ophiolite to the other and within the …
[HTML][HTML] Physiological and genomic features of highly alkaliphilic hydrogen-utilizing Betaproteobacteria from a continental serpentinizing site
S Suzuki, JG Kuenen, K Schipper… - Nature …, 2014 - nature.com
Serpentinization, or the aqueous alteration of ultramafic rocks, results in challenging
environments for life in continental sites due to the combination of extremely high pH, low …
environments for life in continental sites due to the combination of extremely high pH, low …
[PDF][PDF] Thermodynamic constraints on the geochemistry of low-temperature, continental, serpentinization-generated fluids
The hydrous alteration of ultramafic rocks, known as serpentinization, generates fluids that
can fuel microbial communities and enable the synthesis of simple organic compounds …
can fuel microbial communities and enable the synthesis of simple organic compounds …
Controls on the stable isotope compositions of travertine from hyperalkaline springs in Oman: Insights from clumped isotope measurements
Carbonate formation at hyperalkaline springs is typical of serpentinization in peridotite
massifs worldwide. These travertines have long been known to exhibit large variations in …
massifs worldwide. These travertines have long been known to exhibit large variations in …
The synergistic role of agricultural activities in groundwater quality in ultramafic environments: The case of the Psachna basin, central Euboea, Greece
In the present study, we approach the geochemical processes affecting the hydrochemistry
and resulting in elevated concentrations of hexavalent chromium (Cr 6+) in groundwater of …
and resulting in elevated concentrations of hexavalent chromium (Cr 6+) in groundwater of …