Earth Materials Lecture 16: Volcanoes and Products Flashcards
1
Q
Summarise the structure of a volcano
A
Vents - the openings at the surface where volcanic eruptions occur
Conduits - the channel ways that lead from the magma reservoir to the vent
Magma Chamber - Reservoir of magma
2
Q
Describe contents of volcanic products and their contents
A
SiO2 ,Viscosity and Volatiles increase together.
They are related to more pyroclastic explosions
Temperature and density increase together
They are related to Lava/effusive eruptions
