Lecture 8 Volcanoes Flashcards
1
Q
Mt Vesuvius
A
79 CE violent eruption
Killing 20,000 ppl due to pyroclast flows
2
Q
Product of volcanic eruption
A
Lava flows- pyroclastic debris-volcanic gases- h2o, co2,so2,h2s and sulfate aerosols
3
Q
Lava flow- magic lava
A
Very hot, low silica and low viscosity Thin and fluid Can flow up to 30 km per hr Can flow for long distances Ex Hawaii
4
Q
Volcano
A
An erupting cent through which molten rock surfaces. A mountain built from magmatic eruptions.