Suivre
Frances Westall
Frances Westall
Director of research (emeritus)
Adresse e-mail validée de cnrs-orleans.fr
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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
5362014
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
4292013
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
4222015
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, D Gerneke
Precambrian Research 106 (1-2), 93-116, 2001
3842001
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
3752013
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
3172017
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
2322013
The experimental silicification of microorganisms
F Westall
Palaeontology 38, 495-528, 1995
2281995
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
2032015
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
1772015
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
1701999
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
1682006
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
1432015
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
139*2000
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, ...
1282006
Low upper limit to methane abundance on Mars
CR Webster, PR Mahaffy, SK Atreya, GJ Flesch, KA Farley, ...
Science 342 (6156), 355-357, 2013
1272013
Darwin—A Mission to Detect and Search for Life on Extrasolar Planets
CS Cockell, A Léger, M Fridlund, TM Herbst, L Kaltenegger, O Absil, ...
Astrobiology 9 (1), 1-22, 2009
1272009
The simulated silicification of bacteria—new clues to the modes and timing of bacterial preservation and implications for the search for extraterrestrial microfossils
JKW Toporski, A Steele, F Westall, KL Thomas-Keprta, DS McKay
Astrobiology 2 (1), 1-26, 2002
1222002
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
1192013
Morphologic and spectral investigation of exceptionally well-preserved bacterial biofilms from the Oligocene Enspel formation, Germany
JKW Toporski, A Steele, F Westall, R Avci, DM Martill, DS McKay
Geochimica et Cosmochimica Acta 66 (10), 1773-1791, 2002
1182002
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