Volcanic hotspots Flashcards
(5 cards)
1
Q
What is a mantle plume?
A
An upwelling of abnormally hot rock within the earth’s mantle
2
Q
What does a mantle plume result in?
A
Causes a hot spot on the surface (the lithosphere melts and allows magma to escape to the surface)
3
Q
Does the plume stay where it is?
A
Yes
4
Q
What migrates?
A
The crust migrates over it leading to the formation of island arcs
5
Q
What type of volcanoes do volcanic hot spots form?
A
Large sheild volcanoes
