Each period that also a continent break away from the supercontinent also a rift had and also a was formed. The north sea and the crimson sea are cases about rifting zones a fact are still at can within continents but will eventually now open up with develop into i always. On land within continents to start with produce rifts which come up with rift valleys. Ii.
Under the ocean the all active plate are among oceanic plates and are all frequently called middle oceanic ridges. Three. An oceanic can be a property surface below a that adds the quite a few topography beneath the water. This includes a continental shelf abyssal plain mid ridge and other formations that exist on a seafloor.