Microbial carbon cycling in planetary-analogue hydrothermal environments at Kverkfjoll volcano, Iceland

Claire Rachel Cousins1, Conor A Nixon2, Dina M Bower3, Tilak Hewagama4, Patrick Whelley2, Jennifer L Eigenbrode2, Jennifer C Stern2, Aaron Regberg5, Arola Moreras Marti6, Mark Fox-Powell7, Nicole Whelley2, Christopher Hamilton8, Amy McAdam9, Kelsey Young10, Christine A Knudson11 and Cherie Achilles12, (1)University of St Andrews, St Andrews, KY16, United Kingdom, (2)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (3)UNIV OF MARYLAND COLLEGE PARK, College Park, United States, (4)University of Maryland College Park, Greenbelt, MD, United States, (5)NASA Johnson Space Center, Houston, United States, (6)University of St Andrews, St Andrews, United Kingdom, (7)University of Edinburgh, Edinburgh, United Kingdom, (8)University of Arizona, Planetary Sciences, Tucson, AZ, United States, (9)NASA Goddard SFC, Greenbelt, MD, United States, (10)NASA Goddard Space Flight Center, Houston, TX, United States, (11)CRESST/University of Maryland College Park, College Park, MD, United States, (12)University of Arizona, Geosciences, Tucson, AZ, United States