differences in lava Flashcards
1
Q
what are the two types of lava?
A
basaltic and andesitic
2
Q
which one is hotter?
A
basaltic
3
Q
which type of lava has a higher silica content?
A
andesitic
4
Q
which lava retains gas longer?
A
basaltic
5
Q
if lava retains gas what does this result in?
A
it can travel for longer
6
Q
which lava cools faster?
A
andesitic
7
Q
what boundary does basaltic come from?
A
constructive
8
Q
what boundary does andesitic come from?
A
destructive
9
Q
what kind of land forms do they both create?
A
B - extensive sloping
A - large steep sided
10
Q
what word is used to describe the thickness of the lava?
A
viscosity