Sea Floor Spreading Flashcards
0
Q
What happens to oceanic crust as it meets the continental crust
A
Sediment accumulates at the top of the oceanic crust
1
Q
What happens to old oceanic crust as new Morton material rises up from the mantel
A
Older oceanic crust moves away from the mid ocean ridge
2
Q
Evidence of sea floor spreading
A
Evidence from magnetic strips
Found rock shaped as pillows
Evidence from Molton material
3
Q
Process that continually adds new material to the ocean floor
A
Sea floor spreading
4
Q
Process by which the ocean floor sinks into the mantle
A
Subduction
5
Q
The chain of mountains that extends into all of the earths oceans
A
Mid ocean riges
6
Q
Older rock=
A
Farther away from mid ocean ridge