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Experimental silicification of the extremophilic Archaea Pyrococcus abyssi and Methanocaldococcus jannaschii: applications in the search for evidence of life in early Earth and extraterrestrial rocks

François Orange , Francès Westall , Jean-Robert Disnar , D. Prieur , N. Bienvenu et al.
Geobiology, 2009, 7 (4), pp.403-418. ⟨10.1111/j.1472-4669.2009.00212.x⟩
Journal articles insu-00409631v1

Morphological biosignatures in early terrestrial and extraterrestrial materials

Frances Westall
Space Science Reviews, 2008, 135 (1-4), pp.95-114. ⟨10.1007/s11214-008-9354-z⟩
Journal articles istex hal-00518751v1

Heterogeneous solid/gas chemistry of organic compounds related to comets, meteorites, Titan and Mars: laboratory and in lower Earth orbit experiments

Hervé Cottin , Patrice Coll , David Coscia , Nicolas Fray , Yuan Yong Guan et al.
Advances in Space Research, 2008, 42 (12), pp.2019-2035. ⟨10.1016/j.asr.2007.09.017⟩
Journal articles istex hal-00339783v1

Synthesis of Gusev crater analogue basalts, Mars : Interest for astrobiology

Nicolas Bost , Liane Loiselle , Frédéric Foucher , Claire Ramboz , Frances Westall et al.
44th LPSC - Lunar and Planetary Science Conference, Mar 2013, The woolands - Texas, United States
Conference papers hal-00806610v1

Cathodoluminescence : an imaging technique for the search of extraterrestrial life

Claire Ramboz , Y. Rubert , Nicolas Bost , Francès Westall , C. Lerouge et al.
EGU General Assembly, Apr 2012, Vienne, Austria
Conference papers insu-00843696v1

Early life on Earth and analogies to Mars

Frances Westall
Water on Mars (Advances in astrobiology and biogeophysics), Spinger, Berlin, pp.45-64, 2005, ⟨10.1007/978-3-540-31538-4_3⟩
Book sections hal-00115174v1

Life and habitability in the solar system

F. Westall
European Space Agency: Cosmic Vision, Space science for Europe 2015-2025, ESA Publications Division, Noordwijk, pp.24-26, 2005
Book sections hal-00115175v1

Creating Habitable Zones, at all Scales, from Planets to Mud Micro-Habitats, on Earth and on Mars

Euan Nisbet , Kevin Zahnle , M.V. Gerasimov , Jorn Helbert , Ralf Jaumann et al.
Space Science Reviews, 2007, 129 (1-3), pp.79-121. ⟨10.1007/s11214-007-9175-5⟩
Journal articles hal-00195628v1

Biosignatures: lessons from the martian meteorite ALH84001

Frances Westall
EANA 2021, Sep 2021, Virtual, France
Conference papers hal-03674935v1

Astrobiology, the Emergence of Life, and Planetary Exploration

Barbara Cavalazzi , Mihaela Glamoclija , André Brack , Frances Westall , Roberto Orosei et al.
Rossi A.P., van Gasselt S. Planetary Geology, Springer International Publishing, pp.347-367, 2018, ⟨10.1007/978-3-319-65179-8_14⟩
Book sections hal-03674925v1

Trace element biosignatures and the influence of early ocean chemistry on cell biochemistry

K. Hickman-Lewis , B. Cavalazzi , S. Sorieul , P. Gautret , Frédéric Foucher et al.
EANA 2018, Sep 2018, Berlin, Germany
Conference papers hal-03100684v1

Challenges in Astrobiology: Habitability and the origin of life on Earth and elsewhere

Frances Westall
Programm des Astrobiologie-Kolloquiums, Feb 2017, Kiel, Germany
Conference papers hal-03089631v1

Persistence of microbial biosignatures with increasing metamorphic grade

C.R. Cousins , S. Mikhail , Frédéric Foucher , F. Westall , W. Montgomery et al.
Microbiology Society Annual Meeting, Apr 2017, Edimbourg, United Kingdom
Conference papers hal-03089626v1

Early life: its hydrothermal starting point and early evolution

Frances Westall
International Geologica belgica Meeting, Jan 2016, Mons, Belgium
Conference papers hal-03090298v1

Quelle est l’origine de la vie ?

Frances Westall
Time World : Congrès international sur le temps, Nov 2019, Paris, France
Conference papers hal-03089452v1

Mechanistic morphogenesis of organo-sedimentary structures growing under geochemically stressed conditions: keystone to the interpretation of some Archaean stromatolites?

K. Hickman-Lewis , P. Gautret , L. Arbaret , S. Sorieul , R. de Wit et al.
Microbialites: formation, evolution and diagenesis, Sep 2019, Dijon, France
Conference papers hal-03090430v1

Séminaire invité : Early Earth biosignatures and the search for life on Mars

Frances Westall
University of Newcastle, Nov 2018, Newcastle, United Kingdom
Conference papers hal-03080298v1

Astrobiology of life on Earth

John Hallsworth , Rocco Mancinelli , Catharine Conley , Tiffany Dallas , Teresa Rinaldi et al.
Environmental Microbiology, 2021, 23 (7), pp.3335-3344. ⟨10.1111/1462-2920.15499⟩
Journal articles hal-03481796v1

A southern African perspective on the co-evolution of early life and environments

K. Hickman-Lewis , Frances Westall
South African Journal of Geology, 2021, 124 (1), pp.225-252. ⟨10.25131/sajg.124.0016⟩
Journal articles hal-03481804v1

De la matière organique extraterrestre préservée dans des sédiments vieux de 3,3 milliards d’années

F. Westall , D. Gourier , L. Binet , T. Calligaro , S. Cappelli et al.
Congrès de l’Association des Sédimentologistes Français, Oct 2019, Beauvais, France
Conference papers hal-03089473v1
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Mechanistic Morphogenesis of Organo-Sedimentary Structures Growing Under Geochemically Stressed Conditions: Keystone to Proving the Biogenicity of Some Archaean Stromatolites?

Keyron Hickman-Lewis , Pascale Gautret , Laurent Arbaret , Stéphanie Sorieul , Rutger de Wit et al.
Geosciences, 2019, 9 (8), pp.359. ⟨10.3390/geosciences9080359⟩
Journal articles insu-02279838v1

Trace of early life in the Barberton greenstone belt

Keyron Hickman-Lewis , Frances Westall , Barbara Cavalazzi
Martin Van Kranendonk Vickie Bennett Elis Hoffmann. Earth’s Oldest Rocks, Elsevier, pp.1029-1058, 2018, 9780444639011
Book sections hal-03041208v1

Biosignatures and the search for extraterrestrial life: where we started and where we are

Frances Westall
Deutsche Astrobiologische Gesellschaft, Sep 2021, Essen, Germany
Conference papers hal-03682223v1

Anaerobic microorganisms in astrobiological analogue environments: from field site to culture collection

C. Cockell , P. Schwendner , A. Perras , P. Rettberg , K. Beblo-Vranesevic et al.
International Journal of Astrobiology, 2018, 17 (4), pp.314-328. ⟨10.1017/S1473550417000246⟩
Journal articles hal-02875369v1
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Nanoscale 3D quantitative imaging of 1.88 Ga Gunflint microfossils reveals novel insights into taphonomic and biogenic characters

Lara Maldanis , Keyron Hickman-Lewis , Mariana Verezhak , Pierre Gueriau , Manuel Guizar-Sicairos et al.
Scientific Reports, 2020, 10 (1), pp.8163. ⟨10.1038/s41598-020-65176-w⟩
Journal articles hal-02677123v1
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(Crypto-)Endoliths from vesicular pillow lavas, Coral Patch Seamount, North Atlantic Ocean

Barbara Cavalazzi , Frances Westall , Roberto Barbieri
Studi Trentini di Scienze Naturali. Acta geologica, 2008, 83, pp.177-182
Journal articles hal-00527444v1

Biosignatures in Deep Time

Frances Westall , Keyron Hickman-Lewis , Barbara Cavalazzi
Barbara Cavalazzi, Frances Westall. Biosignatures for Astrobiology, Springer, pp.145-164, 2019, 978-3-319-96174-3. ⟨10.1007/978-3-319-96175-0⟩
Book sections hal-02067828v1

Prebiotic materials from on and off the early Earth

S. Leach , M. Bernstein , Frances Westall , J.I. Lunine , Matthew Wallis et al.
Philosophical Transactions of the Royal Society of London. Series B, Containing Papers of a Biological Character (1896–1934), 2006, 361, pp.1700-1702
Journal articles hal-00512370v1

Atmospheric composition and climate on the early Earth - Discussion

C.N. Matthews , J. F. Kasting , D.E. Canfield , Frances Westall
Philosophical Transactions of the Royal Society of London. Series B, Containing Papers of a Biological Character (1896–1934), 2006, 361, pp.1741-1742
Journal articles hal-00512397v1

NRA analyses of N and C in hydromuscovite aggregates from a 3.5 Ga chert from Kittys Gap, Pilbara, Australia

V. Rouchon , D.L. Pinti , J.P. Gallien , B. Orberger , L. Daudin et al.
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 2005, 231, pp.536-540
Journal articles hal-00088669v1