Plate Boundaries Flashcards
1
Q
-Plates move away from each other.
-Plates move apart as magma fills the gap.
-Formation of valleys
A
Divergent boundary
2
Q
Plates move towards each other.
Has 3 types.
A
Convergent Boundary
3
Q
Oceanic-Oceanic
A
The subducting plate is bent downwards.
4
Q
Continental-Oceanic
A
Subduction zone and formation of volcanoes.
5
Q
Continental-Continental
A
Formation of mountains such as the Himalayas
6
Q
Oceanic crust descends into the mantle at a rate of centimeters per year.
A
Subduction zone
7
Q
Example of Continental Rifting
A
Iceland
8
Q
-Plates slide past each other
-Plates slide horizontally past one another.
A
Transform boundary
9
Q
Example of a transform boundary
A
San Andreas fault