The hardened lava forms new ocean floor.
The process of creating a new ocean floor is called.
The lava will then wells up and hardens causing the ocean floor to be pushed away from either side of the ridge.
On the other hand the older ocean floor that is pushed away from the ridge will be pushed down into the trenches of the earth through the process called subduction.
Basalt the once molten rock that makes up most new oceanic crust is a fairly magnetic substance and scientists began using magnetometers to measure the magnetism of the ocean floor in the 1950s what they discovered was that the magnetism of the ocean floor around.
Plate tectonics and the ocean floor.
Seafloor spreading definition a process in which new ocean floor is created as molten material from the earth s mantle rises in margins between plates or ridges and spreads out.
The red sea has not yet completely split arabia from africa but a similar feature can be found on the other side of africa that has broken completely free.