Helium and carbon isotope systematics in arc-related fumarolic gases and geothermal fluids

Peter H Barry1, David Vincent Bekaert2, Joshua Curtice3, Cassandra Bartels4, Michael Hudak4, Maarten J de Moor5, Gerdhard L Jessen6, Donato Giovannelli7, Matthew O Schrenk8, Felipe Aguilera9, Agostina Chiodi10, Carlos J Ramirez11 and Karen G Lloyd12, (1)Woods Hole Oceanographic Institution, Department of Marine Chemistry & Geochemistry, Woods Hole, MA, United States, (2)CRPG Centre de Recherches Pétrographiques et Géochimiques, Vandoeuvre-Les-Nancy, France, (3)Woods Hole Oceanographic Institution, Department of Marine Chemistry & Geochemistry, Woods Hole, United States, (4)Woods Hole Oceanographic Institution, Department of Marine Chemistry and Geochemistry, Woods Hole, United States, (5)Observatorio Vulcanológico y Sismológico de Costa Rica, Heredia, Costa Rica, (6)Universidad Austral de Chile, Los Ríos, Chile, Los Ríos, Chile, (7)University of Naples "Federico II", Naples, Italy, (8)Michigan State University, Department of Earth and Environmental Sciences, East Lansing, MI, United States, (9)Universidad Católica del Norte, Department of Geological Sciences, Antofagasta, Chile, (10)Instituto de Bio Y Geociencias Del Noroeste Argentino, Salta, Argentina, Salta, Argentina, (11)Servicio Geológico Ambiental (SeGeoAm) Heredia, Costa Rica, San Jose, Costa Rica, (12)University of Tennessee, Knoxville, United States