Currently browsing: Items authored or edited by Mark Fox-Powell https://orcid.org/0000-0002-4994-5203

Hogan, Jessica; Fox-Powell, Mark; Hamp, Rachael; Merrison, Jonathan; Iverson, Jens Jacob; Patel, Manish and Pearson, Victoria (2024). Freezing behaviour of water droplets at the liquid-vacuum interface relevant to plume-forming regions on Enceladus. In: British Planetary Science Conference 2024, 19-21 Jun 2024, Leicester, UK.

• Download Published Version (PDF / 117kB)

Salzmann, Christoph G.; Murray, Benjamin J.; Fox-Powell, Mark G.; Hamp, Rachael E.; Rosu-Finsen, Alexander and Fraser, Helen (2024). Is there H₂O stacking disordered ice I in the Solar System? Icarus, 410, article no. 115897.

• Download Published Version (PDF / 4MB)

Sym, L. S. J.; Ramkissoon, N. K.; Fox-Powell, M. G.; Pearson, V. K. and Melwani Daswani, M. (2024). Composition and Habitability of Europa’s Ocean Over Time. In: 17th UK Planetary Forum Early Career Researcher Meeting, 15 Jan 2024, London, UK.

• Download Published Version (PDF / 114kB)

Hogan, J; Fox-Powell, M; Hamp, R; Patel, M. R; Pearson, V and Cornet, T (2024). Salt-Ice Grain Formation in the Enceladus Plume: A Combined Experimental and Remote Sensing Approach. In: 17th UKPF Early Career Researcher Meeting, 15 Jan 2024, Imperial College, London.

• Download Published Version (PDF / 80kB)

Aldis, Angus; Fox-Powell, Mark; Gladding, Toni; Olsson-Francis, Karen and Stephens, Ben (2024). Bubbles are rockets for microbes: predicting microbial dispersion in Enceladus’s plumes based on bubbling in Iceland’s geothermal springs. In: UKPF 2024 Conference, 15 Jan 2024, Imperial College London.

• Download Published Version (PDF / 105kB)

Sym, Lewis; Ramkissoon, Nisha; Fox-Powell, Mark; Pearson, Victoria and Melwani Daswani, Mohit (2024). Composition and Habitability of Europa’s Ocean Over Time. In: Astrobiology Science Conference 2024, 05-10 May 2024, Providence, USA.

• Request a copy from the author This file is not available for public download

Chinnery, Hannah and Fox-Powell, Mark (2024). Microstructure controls longevity of exposed salt-rich ices on icy worlds. In: 4th British Planetary Science Conference, 17-21 Jun 2024, Leicester, UK.

• Download Published Version (PDF / 62kB)

Moreras-Marti, A.; Fox-Powell, M.; Toney, J.; McAdam, A.C.; Slaymark, C.; Knudson, C.A.; Lewis, J.M.T.; Salik, M.A. and Cousins, C.R. (2024). Molecular biosignatures in planetary analogue salts: implications for transport of organics in sulfate-rich brines beyond Earth. Geochemical Perspectives Letters, 32 pp. 1–6.

• Download Published Version (PDF / 4MB)

Sym, Lewis; Pearson, Victoria; Ramkissoon, Nisha; Fox-Powell, Mark and Melwani Daswani, Mohit (2023). Composition and Habitability of Europa’s Ocean Through Time. In: ASB9: Celebrating 20 Years of the Astrobiology Society of Britain, 7-8 Sep 2023, Clore Management Centre, Birkbeck, University of London.

• Download Published Version (PDF / 99kB)

Roche, Matthew J.; Fox-Powell, Mark G.; Hamp, Rachael E. and Byrne, James M. (2023). Iron reduction as a viable metabolic pathway in Enceladus' ocean. International Journal of Astrobiology, 22(5) pp. 539–558.

• Download Published Version (PDF / 564kB)

Fox-Powell, Mark; Wolfenbarger, Natalie; Buffo, Jacob; Semprich, Julia and Ramkissoon, Nisha (2023). Modelling possible chemical evolution pathways during crystallisation and re-mobilisation of brines in Europa’s ice shell. In: Workshop on the Origins and Habitability of the Galilean Moons, 24-26 Oct 2023, Marseille, France.

• Download Published Version (PDF / 226kB)

Fox-Powell, Mark G.; Stephens, Ben; Siggs, Dominic; Barton, Timothy; Hammond, Sam; Kucukkilic-Stephens, Ezgi; Batty, Claire; Gladding, Toni and Olsson-Francis, Karen (2023). Insights into the origins and composition of cryovolcanic plume particles from natural and experimental analogues. In: Workshop on the Origins and Habitability of the Galilean Moons, 24-26 Oct 2023, Marseille, France.

• Download Published Version (PDF / 165kB)

Fox-Powell, Mark; Stephens, Ben; Barton, Timothy; Hammond, Sam; Kucukkilic-Stephens, Ezgi; Batty, Claire; Gladding, Toni and Olsson-Francis, Karen (2023). Geochemistry and microbiology of geothermal aerosols in Iceland: implications for biosignatures in the plumes of Enceladus. In: 9th Astrobiology Society of Britain conference, 07-08 Sep 2023, Birkbeck, University of London.

• Download Accepted Manuscript (PDF / 60kB)

Fox-Powell, Mark; Stephens, Ben; Batty, Claire; Gladding, Toni and Olsson-Francis, Karen (2023). Geochemistry and microbiology of geothermal aerosols in Iceland: implications for biosignatures in the plumes of Enceladus. In: 54th Lunar and Planetary Science Conference, 13-17 Mar 2023, Houston, TX, USA.

• Download Published Version (PDF / 284kB)

Fox-Powell, Mark; Wolfenbarger, Natalie; Buffo, Jacob; Semprich, Julia and Ramkissoon, Nisha (2023). Modelling possible chemical evolution pathways during freezing of Europa’s ice shell. In: 54th Lunar and Planetary Science Conference, 13-17 Mar 2023, Houston, TX, USA.

• Download Accepted Manuscript (PDF / 206kB)

Wolfenbarger, N. S.; Fox-Powell, M.G.; Buffo, J. J.; Soderlund, K. M. and Blankenship, D. D. (2022). Brine Volume Fraction as a Habitability Metric for Europa's Ice Shell. Geophysical Research Letters, 49(22), article no. e2022GL100586.

• Download Published Version (PDF / 1MB)

Moreras-Marti, A.; Fox-Powell, M.; Cousins, C. R.; Macey, M. C. and Zerkle, A.L. (2022). Sulfur isotopes as biosignatures for Mars and Europa exploration. Journal of the Geological Society, 179(6), article no. jgs2021-134.

• Download Published Version (PDF / 2MB)

Wolfenbarger, N. S.; Fox-Powell, M. G.; Buffo, J. J.; Soderlund, K. M. and Blankenship, D. D. (2022). Compositional Controls on the Distribution of Brine in Europa’s Ice Shell. Journal of Geophysical Research: Planets, 127(9), article no. e2022JE007305.

• Download Published Version (PDF / 3MB)

Oliver, James A.W.; Kelbrick, Matthew; Ramkissoon, Nisha K.; Dugdale, Amy; Stephens, Ben; Kucukkilic-Stephens, Ezgi; Fox-Powell, Mark G.; Schwenzer, Susanne P.; Antunes, André and Macey, Michael C. (2022). Sulfur Cycling as a Viable Metabolism under Simulated Noachian/Hesperian Chemistries. Life, 12(4), article no. 523.

• Download Published Version (PDF / 673kB)

Fox-Powell, Mark; Stephens, Ben; Del Moral Jimenez, Alvaro; Dazley, Connor; Slade, David; Richards, Grace; Cousins, Claire and Olsson-Francis, Karen (2022). Entombment of microorganisms within rapidly frozen fluid droplets relevant to the plumes of Enceladus. In: Forming and Exploring Habitable Worlds workshop, 7-13 Nov 2022, Edinburgh, UK.

• Download Published Version (PDF / 111kB)

Fox-Powell, Mark; Stephens, Ben; Del Moral Jimenez, Alvaro; Dazley, Connor; Slade, David; Richards, Grace; Cousins, Claire and Olsson-Francis, Karen (2022). Entombment of microbial biomass within rapidly frozen fluid droplets relevant to the plumes of Enceladus. In: Europlanet Science Congress 2022, 18-23 Sep 2022, Granada, Spain.

• Download Accepted Manuscript (PDF / 241kB)

Fox-Powell, Mark; Slade, David; Siggs, Dominic and Olsson-Francis, Karen (2022). Experimentally probing the origin of Enceladus’s plume: bubble-bursting and aerosol formation at the liquid/vapour interface. In: Europlanet Science Congress 2022, 18-23 Sep 2022, Granada, Spain.

• Download Accepted Manuscript (PDF / 270kB)

Macey, Michael; Grand, Ann; Fox-Powell, Mark; Ramkissoon, Nisha; Cousins, Claire and Olsson-Francis, Karen (2021). Hunting for Life on Mars by Studying Life on Earth. Frontiers for Young Minds, 9, article no. 665929.

• Download Published Version (PDF / 3MB)

Moreras-Marti, A.; Fox-Powell, M.; Stueeken, E.; Di Rocco, T.; Galloway, T.; Osinski, G. R.; Cousins, C. R. and Zerkle, A. L. (2021). Quadruple sulfur isotope biosignatures from terrestrial Mars analogue systems. Geochimica et Cosmochimica Acta, 308 pp. 157–172.

Hamp, Rachael; Schwenzer, Susanne; Fox-Powell, Mark; Olsson-Francis, Karen and Pearson, Victoria (2021). Modelling water-rock interactions in the subsurface environment of Enceladus. In: Lunar and Planetary Science Conference 2021, Mar 2021, Houston, USA.

• Download Published Version (PDF / 98kB)

Fox‐Powell, Mark G. and Cousins, Claire R. (2021). Partitioning of Crystalline and Amorphous Phases During Freezing of Simulated Enceladus Ocean Fluids. Journal of Geophysical Research: Planets, 126(1), article no. e2020JE006628.

• Download Published Version (PDF / 3MB)

Moreras‐Marti, Arola; Fox-Powell, Mark; Zerkle, Aubrey L.; Stueeken, Eva; Gazquez, Fernando; Brand, Helen E. A.; Galloway, Toni; Purkamo, Lotta and Cousins, Claire R. (2021). Volcanic controls on the microbial habitability of Mars‐analogue hydrothermal environments. Geobiology, 19(5) pp. 489–509.

• Download Published Version (PDF / 3MB)

Fox-Powell, Mark; Buffo, Jacob; Wolfenbarger, Natalie; Semprich, Julia; Ramkissoon, Nisha; Vance, Steven; Schwenzer, Susanne and Pearson, Victoria (2021). Brine evolution and transport-driven fractionation of ocean fluids within Europa’s icy shell. In: 52nd Lunar and Planetary Science Conference 2021, 15-19 Mar 2021, Online.

• Download Accepted Manuscript (PDF / 219kB)

Macey, Michael; Ramkissoon, Nisha; Fox-Powell, Mark; Barton, Tim; Stephens, Ben P.; Schwenzer, Susanne P.; Pearson, Victoria K.; Cousins, Claire R. and Olsson-Francis, Karen (2020). Colour Peak:An analogue environment for the waters of late Noachian Mars. In: EANA 2020, 27-28 Aug 2020, Online.

• Download Published Version (PDF / 65kB)

Macey, M. C.; Fox-Powell, M.; Ramkissoon, N. K.; Stephens, B. P.; Barton, T.; Schwenzer, S. P.; Pearson, V. K.; Cousins, C. R. and Olsson-Francis, K. (2020). The identification of sulfide oxidation as a potential metabolism driving primary production on late Noachian Mars. Scientific reports, 10, article no. 10941.

• Download Published Version (PDF / 1MB)

Macey, Michael C.; Fox-Powell, Mark; Ramkissoon, Nisha K.; Stephens, Ben P.; Barton, Tim; Schwenzer, Susanne P.; Pearson, Victoria K.; Cousins, Claire R. and Olsson-Francis, Karen (2020). Colour Peak: An analogue environment for late Noachian Mars. In: Astrobiology Australasia Meeting, 9-11 Sep 2020, Online.

• Download Accepted Manuscript (PDF / 65kB)

Macey, Michael C; Fox-Powell, Mark; Ramkissoon, Nisha K; Baharier, Bea; Oliver, James A W; Stephens, Ben; Schwenzer, Susanne P; Pearson, Victoria K; Cousins, Claire R and Olsson-Francis, Karen (2020). The identification of sulfide oxidation as potential metabolism driving primary production on late Noachian Mars. In: 52nd Lunar and Planetary Science Conference, 15-19 Mar 2020 (Virtual), Houston, USA.

• Download Published Version (PDF / 244kB)

Fox-Powell, Mark; Hamp, Rachael; Schwenzer, Susanne; Pearson, Victoria; Olsson-Francis, Karen and Cousins, Claire (2020). Cryovolcanic plumes as a record of habitability: Fluid evolution and the fate of bioessential elements during freezing of simulated Enceladus ocean brines. In: European Astrobiology Network Association, 1-4 Sep 2020, Online.

• Download Accepted Manuscript (PDF / 57kB)

Fox-Powell, Mark; Osinski, Gordon; Applin, Daniel; Stromberg, Jessica; Gázquez, Fernando; Cloutis, Ed; Allender, Elyse and Cousins, Claire (2019). Natural Analogue Constraints on Europa's Non-ice surface Material. Geophysical Research Letters, 46(11) pp. 5759–5767.

• Download Accepted Manuscript (PDF / 1MB)

Payler, Samuel; Biddle, Jennifer; Sherwood Lollar, Barbara; Fox-Powell, Mark; Edwards, Thomas; Ngwenya, Bryne; Paling, Sean and Cockell, Charles (2019). An Ionic Limit to Life in the Deep Subsurface. Frontiers in Microbiology, 10, article no. 426.

• Download Published Version (PDF / 9MB)

Fox-Powell, Mark; Channing, Alan; Applin, Daniel; Cloutis, Ed; Preston, Louisa and Cousins, Claire (2018). Cryogenic silicification of microorganisms in hydrothermal fluids. Earth and Planetary Science Letters, 498 pp. 1–8.

• Download Accepted Manuscript (PDF / 981kB)

Fox-Powell, Mark and Cockell, Charles (2018). Building a Geochemical View of Microbial Salt Tolerance: Halophilic Adaptation of Marinococcus in a Natural Magnesium Sulfate Brine. Frontiers in Microbiology, 9, article no. 739.

• Download Published Version (PDF / 767kB)

Fox-Powell, Mark; Hallsworth, John; Cousins, Claire and Cockell, Charles (2016). Ionic strength is a barrier to the habitability of Mars. Astrobiology, 16(6) pp. 427–442.

• Download Accepted Manuscript (PDF / 475kB)

Stevenson, Andrew; Burkhardt, Jürgen; Cockell, Charles S.; Cray, Jonathan A.; Dijksterhuis, Jan; Fox-Powell, Mark; Kee, Terence P.; Kminek, Gerhard; McGenity, Terry J.; Timmis, Kenneth N.; Timson, David J.; Voytek, Mary A.; Westall, Frances; Yakimov, Michail M. and Hallsworth, John E. (2015). Multiplication of microbes below 0.690 water activity: implications for terrestrial and extraterrestrial life. Environmental Microbiology, 17(2) pp. 257–277.

• Download Published Version (PDF / 498kB)