The endolithic and planktonic subsurface microbiome within zones of active low-temperature serpentinization in the Samail Ophiolite of Oman
The rock-hosted microbial ecosystems within serpentinizing subsurface environments are a prime target for future NASA missions searching for extant life in the solar system and constitute a unique habitat within Earth’s subsurface that is relatively uncharacterized. The water-rock interaction called serpentinization generates highly reduced and hyperalkaline fluids replete with hydrogen (H2) and reduced carbon compounds such as methane, which are potent electron donors and carbon sources used in microbial metabolism. This dissertation investigates the microbiome within a low-temperature terrestrial ...
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