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Frances Westall
Frances Westall
Director of research (emeritus)
Verified email at cnrs-orleans.fr
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Cited by
Year
Mineralogy of a mudstone at Yellowknife Bay, Gale crater, Mars
DT Vaniman, DL Bish, DW Ming, TF Bristow, RV Morris, DF Blake, ...
science 343 (6169), 1243480, 2014
6302014
Mars methane detection and variability at Gale crater
CR Webster, PR Mahaffy, SK Atreya, GJ Flesch, MA Mischna, PY Meslin, ...
Science 347 (6220), 415-417, 2015
4782015
Volatile, isotope, and organic analysis of martian fines with the Mars Curiosity rover
LA Leshin, PR Mahaffy, CR Webster, M Cabane, P Coll, PG Conrad, ...
Science 341 (6153), 1238937, 2013
4702013
Habitability on early Mars and the search for biosignatures with the ExoMars Rover
JL Vago, F Westall, AJ Coates, R Jaumann, O Korablev, V Ciarletti, ...
Astrobiology 17 (6-7), 471-510, 2017
4322017
Abundance and isotopic composition of gases in the Martian atmosphere from the Curiosity rover
PR Mahaffy, CR Webster, SK Atreya, H Franz, M Wong, PG Conrad, ...
Science 341 (6143), 263-266, 2013
4252013
Early Archean fossil bacteria and biofilms in hydrothermally-influenced sediments from the Barberton greenstone belt, South Africa
F Westall, MJ de Wit, J Dann, S Van Der Gaast, CEJ de Ronde, ...
Precambrian Research 106 (1-2), 93-116, 2001
4192001
Isotope Ratios of H, C, and O in CO2 and H2O of the Martian Atmosphere
CR Webster, PR Mahaffy, GJ Flesch, PB Niles, JH Jones, LA Leshin, ...
Science 341 (6143), 260-263, 2013
2802013
Biosignatures on Mars: what, where, and how? Implications for the search for martian life
F Westall, F Foucher, N Bost, M Bertrand, D Loizeau, JL Vago, G Kminek, ...
Astrobiology 15 (11), 998-1029, 2015
2732015
The experimental silicification of microorganisms
F Westall
Palaeontology 38, 495-528, 1995
2271995
Evidence for indigenous nitrogen in sedimentary and aeolian deposits from the Curiosity rover investigations at Gale crater, Mars
JC Stern, B Sutter, C Freissinet, R Navarro-González, CP McKay, ...
Proceedings of the National Academy of Sciences 112 (14), 4245-4250, 2015
2232015
Implications of a 3.472–3.333 Gyr-old subaerial microbial mat from the Barberton greenstone belt, South Africa for the UV environmental conditions on the early Earth
F Westall, CEJ De Ronde, G Southam, N Grassineau, M Colas, C Cockell, ...
Philosophical Transactions of the Royal Society B: Biological Sciences 361 …, 2006
1852006
The importance of water for life
F Westall, A Brack
Space Science Reviews 214, 1-23, 2018
1802018
The nature of fossil bacteria: a guide to the search for extraterrestrial life
F Westall
Journal of Geophysical Research: Planets 104 (E7), 16437-16451, 1999
1771999
Multiplication of microbes below 0.690 water activity: implications for terrestrial and extraterrestrial life
A Stevenson, J Burkhardt, CS Cockell, JA Cray, J Dijksterhuis, ...
Environmental microbiology 17 (2), 257-277, 2015
1682015
Polymeric substances and biofilms as biomarkers in terrestrial materials: implications for extraterrestrial samples
F Westall, A Steele, J Toporski, M Walsh, C Allen, S Guidry, D McKay, ...
Journal of Geophysical Research: Planets 105 (E10), 24511-24527, 2000
153*2000
Limits of life and the habitability of Mars: the ESA space experiment BIOMEX on the ISS
JP De Vera, M Alawi, T Backhaus, M Baqué, D Billi, U Böttger, T Berger, ...
Astrobiology 19 (2), 145-157, 2019
1472019
A hydrothermal-sedimentary context for the origin of life
F Westall, K Hickman-Lewis, N Hinman, P Gautret, KA Campbell, ...
Astrobiology 18 (3), 259-293, 2018
1472018
Low upper limit to methane abundance on Mars
CR Webster, PR Mahaffy, SK Atreya, GJ Flesch, KA Farley, ...
science 342 (6156), 355-357, 2013
1432013
Habitability on Mars from a microbial point of view
F Westall, D Loizeau, F Foucher, N Bost, M Betrand, J Vago, G Kminek
Astrobiology 13 (9), 887-897, 2013
1412013
The 3.466 Ga “Kitty's Gap Chert,” an early Archean microbial ecosystem
F Westall, ST de Vries, W Nijman, V Rouchon, B Orberger, V Pearson, ...
1342006
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