Nature and efficiency of pyroclast generation from porous magma [Elektronische Ressource] : insights from field investigations and laboratory experiments / vorgelegt von Ulrich Küppers

Nature and efficiency of pyroclast generation from porous magma: Insights from field investigations and laboratory experiments Inauguraldissertation zur Erlangung des Doktorgrades der Fakultät für Geowissenschaften der Ludwig-Maximilians-Universität München vorgelegt von Ulrich Küppers München, 21. Juli 2005 1. Berichterstatter: Prof. Donald Bruce Dingwell 2. Berichterstatter: Prof. Ludwig Masch Tag der mündlichen Prüfung: 23. November 2005 II III […] On the morning of his departure he put his planet in perfect order. He carefully cleaned out his active volcanoes. He possessed two active volcanoes; and they were very convenient for heating his breakfast in the morning. He also had one volcano that was extinct. But, as he said, “One never knows!” So he cleaned out the extinct volcano, too. If they are well cleaned out, volcanoes burn slowly and steadily, without any eruptions. Volcanic eruptions are like fires in a chimney. On our earth we are obviously much too small to clean out our volcanoes. That is why they bring no end of trouble upon us. […] From “The Little Prince” by Antoine de Saint-Exupéry Fiat 500 in Catania, Italy, covered in ash settling from the plume of Mt. Etna. 3 November 2002 IV V Content List of figures...................................................................................................... VIII List of tables .....