Experimental aggregation of volcanic ash: the role of liquid bonding

Sebastian B Mueller1, Ulrich Kueppers2, Michael Jacob3, Paul M Ayris2 and Donald B Dingwell4, (1)Ludwig Maximilian University of Munich, Munich, Germany, (2)Ludwig Maximilians University of Munich, Munich, Germany, (3)Glatt Industries, Weimar, Germany, (4)Ludwig Maximilians University of Munich, Department of Earth and Environmental Sciences, Munich, Germany