Video- In the Path of Killer Volcano Flashcards
1
Q
Lahar
A
Mudflow on a volcano typically composed of fluidized ash
2
Q
Pyroclastic Flow
A
Hot highly mobile avalanche of tephra that rushes down the flank of a volcano during eruption
3
Q
Volcanic Ash
A
consists of fragments of pulverized rock, minerals and volcanic glass, created during volcanic eruptions, less than 2 mm (0.079 inches) in diameter
4
Q
Lava Flow
A
a mass of flowing or solidified lava
5
Q
Shield Volcano
A
Volcano that emits fluid lava, typically basaltic, and builds up a broad dome shaped edifice with low surface slope
6
Q
Composite Volcano
A
High, steep sided volcano that is formed typically from intermediate magma, often above convergent plate margins
7
Q
Viscosity
A
the state of being thick, sticky, and semifluid in consistency, due to internal friction
