The He–CO2 isotope and relative abundance characteristics of geothermal fluids in El Salvador and Honduras: New constraints on volatile mass balance of the Central American Volcanic Arc

Abstract: This data set contains helium and carbon isotope data collected from fumaroles, hot springs, water springs, mud-pots and geothermal wells from El Salvador and Honduras from 2002-2003. Other Description: G. A. M. de Leeuw, D. R. Hilton, T. P. Fischer, and J. A. Walker (2007), “The He-CO2 isotope and relative abundance characteristics of geothermal fluids in El Salvador and Honduras: new constraints on volatile mass balance of the Central American Volcanic Arc.”, Earth and Planet. Sci. Let., 158:132-146.