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 …

Aqueous alteration processes in Jezero crater, Mars—Implications for organic geochemistry

EL Scheller, J Razzell Hollis, EL Cardarelli, A Steele… - Science, 2022‏ - science.org
The Perseverance rover landed in Jezero crater, Mars, in February 2021. We used the
Scanning Habitable Environments with Raman and Luminescence for Organics and …

Diverse organic-mineral associations in Jezero crater, Mars

S Sharma, RD Roppel, AE Murphy, LW Beegle… - Nature, 2023‏ - nature.com
The presence and distribution of preserved organic matter on the surface of Mars can
provide key information about the Martian carbon cycle and the potential of the planet to host …

An olivine cumulate outcrop on the floor of Jezero crater, Mars

Y Liu, MM Tice, ME Schmidt, AH Treiman, TV Kizovski… - Science, 2022‏ - science.org
The geological units on the floor of Jezero crater, Mars, are part of a wider regional
stratigraphy of olivine-rich rocks, which extends well beyond the crater. We investigated the …

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 …

Compositionally and density stratified igneous terrain in Jezero crater, Mars

RC Wiens, A Udry, O Beyssac, C Quantin-Nataf… - Science …, 2022‏ - science.org
Before Perseverance, Jezero crater's floor was variably hypothesized to have a lacustrine,
lava, volcanic airfall, or aeolian origin. SuperCam observations in the first 286 Mars days on …

Samples collected from the floor of Jezero Crater with the Mars 2020 Perseverance rover

JI Simon, K Hickman‐Lewis, BA Cohen… - Journal of …, 2023‏ - Wiley Online Library
The first samples collected by the Mars 2020 mission represent units exposed on the Jezero
Crater floor, from the potentially oldest Séítah formation outcrops to the potentially youngest …

Alteration history of Séítah formation rocks inferred by PIXL x-ray fluorescence, x-ray diffraction, and multispectral imaging on Mars

MM Tice, JA Hurowitz, AC Allwood, MWM Jones… - Science …, 2022‏ - science.org
Collocated crystal sizes and mineral identities are critical for interpreting textural
relationships in rocks and testing geological hypotheses, but it has been previously …

Geological, multispectral, and meteorological imaging results from the Mars 2020 Perseverance rover in Jezero crater

JF Bell III, JN Maki, S Alwmark, BL Ehlmann… - Science …, 2022‏ - science.org
Perseverance's Mastcam-Z instrument provides high-resolution stereo and multispectral
images with a unique combination of spatial resolution, spatial coverage, and wavelength …

Ground penetrating radar observations of subsurface structures in the floor of Jezero crater, Mars

SE Hamran, DA Paige, A Allwood, HEF Amundsen… - Science …, 2022‏ - science.org
The Radar Imager for Mars Subsurface Experiment instrument has conducted the first rover-
mounted ground-penetrating radar survey of the Martian subsurface. A continuous radar …