The rock-hosted biosphere
AS Templeton, TA Caro - Annual Review of Earth and Planetary …, 2023 - annualreviews.org
Our understanding of Earth's rock-hosted subsurface biosphere has advanced over the past
two decades through the collection and analysis of fluids and rocks from aquifers within the …
two decades through the collection and analysis of fluids and rocks from aquifers within the …
Geological diversity and microbiological potential of lakes on Mars
Hundreds of ancient lake basins detected on Mars via orbital remote sensing represent rare
oases of hydrosphere–atmosphere–lithosphere interactions with great astrobiological …
oases of hydrosphere–atmosphere–lithosphere interactions with great astrobiological …
Radiolytically reworked Archean organic matter in a habitable deep ancient high-temperature brine
DM Nisson, CC Walters, ML Chacón-Patiño… - Nature …, 2023 - nature.com
Investigations of abiotic and biotic contributions to dissolved organic carbon (DOC) are
required to constrain microbial habitability in continental subsurface fluids. Here we …
required to constrain microbial habitability in continental subsurface fluids. Here we …
Is there such a thing as a biosignature?
The concept of a biosignature is widely used in astrobiology to suggest a link between some
observation and a biological cause, given some context. The term itself has been defined …
observation and a biological cause, given some context. The term itself has been defined …
86Kr excess and other noble gases identify a billion-year-old radiogenically-enriched groundwater system
Deep within the Precambrian basement rocks of the Earth, groundwaters can sustain
subsurface microbial communities, and are targets of investigation both for geologic storage …
subsurface microbial communities, and are targets of investigation both for geologic storage …
Hydrogeochemical and isotopic signatures elucidate deep subsurface hypersaline brine formation through radiolysis driven water-rock interaction
Geochemical and isotopic fluid signatures from a 2.9–3.2 km deep, 45–55° C temperature,
hypersaline brine from Moab Khotsong gold and uranium mine in the Witwatersrand Basin …
hypersaline brine from Moab Khotsong gold and uranium mine in the Witwatersrand Basin …
Young volcanic terrains are windows into early microbial colonization
N Hadland, CW Hamilton, S Duhamel - Communications Earth & …, 2024 - nature.com
Volcanic eruptions generate initially sterile materials where biological processes are absent,
allowing for the fresh colonization by new organisms. This review summarizes the …
allowing for the fresh colonization by new organisms. This review summarizes the …
Islands within islands: Bacterial phylogenetic structure and consortia in Hawaiian lava caves and fumaroles
RD Prescott, T Zamkovaya, SP Donachie… - Frontiers in …, 2022 - frontiersin.org
Lava caves, tubes, and fumaroles in Hawai 'i present a range of volcanic, oligotrophic
environments from different lava flows and host unexpectedly high levels of bacterial …
environments from different lava flows and host unexpectedly high levels of bacterial …
Organic biosignature degradation in hydrothermal and serpentinizing environments: Implications for life detection on icy moons and Mars
Evidence of liquid water is a primary indicator of habitability on the icy moons in our outer
solar system as well as on terrestrial planets such as Mars. If liquid water-containing …
solar system as well as on terrestrial planets such as Mars. If liquid water-containing …
[HTML][HTML] Expanded insights into Martian mineralogy: Updated analysis of Gale crater's mineral composition via CheMin crystal chemical investigations
This study presents mineral composition estimates of rock and sediment samples analyzed
with the CheMin X-ray diffraction instrument on board the NASA Mars Science Laboratory …
with the CheMin X-ray diffraction instrument on board the NASA Mars Science Laboratory …