%0 Journal Article %J Geochimica et Cosmochimica Acta %D 2018 %T Unraveling Multiple Phases of Sulfur Cycling during the Alteration of Ancient Ultramafic Oceanic Lithosphere %A Schwarzenbach, E. M. %A Gill, B.C. %A Johnston, D. T. %B Geochimica et Cosmochimica Acta %V 223 %P 279-299 %G eng