Hot spots Flashcards
1
Q
what are hot spots
A
THEY DO NOT OCCUR AT PLATE BOUNDARIES
they are very deep. rising mega plumes of hot rock because of convection
2
Q
Do hot spots move
A
hot spots do not move, plates move over hot spots.
ex. Hawaii (a very active hotspot)
3
Q
youngest rocks vs old islands`
A
young islands are right on hotspots old hotspots are farthest from hotspots
4
Q
hawaii is…
A
Right on a hotspot (a traveling plate) active for 80mil yrs
5
Q
what is the job of the pacific plate
A
to move fast because it needs to subduct
6
Q
hawaiin islands are progressively..
A
older. They get older in the direction the plate moves. (pacific plate)
7
Q
what makes volcanoes not active?
A
They are not over hotspots