Volcanology
A.Y. 2018/2019
Learning objectives
The main aim of the course is to learn the principles of physical volcanology that control and drive eruptive and intereruptive phenomena. In addition we discuss the main criteria for reconstructing the evolution of a volcanic area and for assessing its hazard
Expected learning outcomes
Recognition of the main volcanic deposits, their study and volcanic processes. Role of tectonics in the evolution of volcanoes. Field work in volcanic areas
Lesson period: Second semester
Assessment methods: Esame
Assessment result: voto verbalizzato in trentesimi
Single course
This course cannot be attended as a single course. Please check our list of single courses to find the ones available for enrolment.
Course syllabus and organization
Single session
Lesson period
Second semester
Course syllabus
VOLCANOLOGY
Plate tectonics and volcanism. Genesis and composition of magmas. Physico-chemical properties of magmas and principles of rheology. Magma chambers. Plumbing systems and the evolution of magmas at shallow depth. Eruptions: timescales, eruption rates, classification schemes. Magnitudo and energy release. Magmatic fragmentation. Effusive eruptions and the deposits of effusive volcanism: lavas and lava flows, lava fountains, domes, subglacial and subaqueous lavas, seamounts. Flood basalts. Strombolian eruptions and an introduction to their products. Explosive volcanism and an introduction to their products: fall deposits, pyroclastic flows, surges. Phreatic and phreatomagmatic eruptions. Mapping of volcanic areas. Volcanic hazard. Volcanic and tectonic structures: their relations and influences on the volcanic evolution. A three days field work is scheduled
Plate tectonics and volcanism. Genesis and composition of magmas. Physico-chemical properties of magmas and principles of rheology. Magma chambers. Plumbing systems and the evolution of magmas at shallow depth. Eruptions: timescales, eruption rates, classification schemes. Magnitudo and energy release. Magmatic fragmentation. Effusive eruptions and the deposits of effusive volcanism: lavas and lava flows, lava fountains, domes, subglacial and subaqueous lavas, seamounts. Flood basalts. Strombolian eruptions and an introduction to their products. Explosive volcanism and an introduction to their products: fall deposits, pyroclastic flows, surges. Phreatic and phreatomagmatic eruptions. Mapping of volcanic areas. Volcanic hazard. Volcanic and tectonic structures: their relations and influences on the volcanic evolution. A three days field work is scheduled
GEO/08 - GEOCHEMISTRY AND VOLCANOLOGY - University credits: 6
Field activity: 12 hours
Lessons: 40 hours
Lessons: 40 hours
Professor:
Groppelli Gianluca