A càrrec de Prof. Donald Dingwell University of Munich, Munich, Germany
SEMINARIS DE LA FACULTAT DE GEOLOGIA I L'INSTITUT DE CIÈNCIES DE LA TERRA JAUME ALMERA

Universitat de Barcelona (UB)
Consell Superior d'Investigacions Científiques (CSIC)

Dia: dimarts 10 de febrer
Hora: 12.00 h
Lloc: sala d'actes de l'Institut Jaume Almera

Resum:
Volcanism reflects the fundamental mechanism of earth differentiation via the generation and transportation of mass in the form of magma in the terrestrial planets. Volcanism has been a constant companion of life on Earth since its origins. Mankind, in particular, is increasingly exposed to the consequences of eruptions, intensifying a relationship that has existed since the dawn of the species. Explosive volcanism is a truly extraordinary feature of the Earth. Enormous masses of the lithosphere can be transported into the stratosphere within hours to weeks, with substantial global consequences. Monitoring and modelling of such processes are major sectors of modern volcanology. Both rely indisputably on a proper and sufficient mechanistic understanding of subvolcanic processes. Experiments provide a unique opportunity to define the mechanistic possibilities for magma response. Experimental volcanology is now a rich field of investigation. Its extrapolation to nature is far less problematic that most traditional experimental areas of the solid earth sciences. Highlights of some recent research into the mechanisms involved in explosive eruptions will be reviewed.

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