Volcanoes away from plate margins Flashcards
1
Q
What is hot spot caused by?
A
A magma plume, a vertical column of magma that rises up from the mantle
2
Q
What forms above magma plumes?
A
Volcanoes
3
Q
What is the relationship between the magma plume and crust?
A
The magma plume remains stationary over time, but the crust moves over it
4
Q
What happens as the part of the crust that was above the hot spot move away from it?
A
Volcanic activity in that part of the crust decreases
5
Q
What happens to the part of the crust that is now above the hot spot?
A
A new volcano form
6
Q
What happens as the crust continues to move?
A
A chain of volcanoes form
7
Q
Give an example of a hot spot
A
Hawaii (USA)