Oxidized sulfur-rich mafic magma at Mount Pinatubo, Philippines de Hoog, J. C. M. ; Hattori, K. H. ; Hoblitt, R. P. Abstract Publication: Contributions to Mineralogy and Petrology Pub Date: 2004 DOI: 10.1007/s00410-003-0532-4 Bibcode: 2004CoMP..146..750D