Low-temperature hydrothermal alteration of silicic glass at the PACMANUS hydrothermal vent field, manus basin : An XRD, SEM and AEM-TEM study - Giorgetti, Giovanna (Università di Siena. Dipartimento di Scienze della Terra) ; Monecke, Thomas (University of Ottawa. Department of Earth Sciences) ; Kleeberg, Reinhard (TU Bergakademie Freiberg. Institut für Mineralogie) ; Hannington, Mark D. (University of Ottawa. Department of Earth Sciences.)