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This course introduces volcanic eruptions and other igneous activity, explaining how magma temperature, composition, and dissolved gases influence viscosity and eruption behavior. It covers lava flows, volcano types, volcanic hazards, intrusive bodies, and volcanism at plate boundaries and hotspots.
Syllabus
The Nature of Volcanic Eruptions
A Pahoehoe Lava Flow
A Typical aa Flow
Materials Extruded During an Eruption
Anatomy of a Volcano
Cinder Cones
Types of Volcanoes
Volcanic Hazards
Pyroclastic Flows
Lahar near Mt. St. Helens
Crater Lake, Oregon Caldera
Other Volcanic Landforms
Shiprock, New Mexico - a volcanic neck
Intrusive Igneous Activity
Intrusive Igneous Bodies
Ring of Fire
Convergent Boundary
Divergent Boundary
Taught by
Sven Holbik