Mid Ocean Ridge Map

Here, the ridge is the plate boundary between the south american and african plates, which are spreading apart at the slow rate of approximately 35mmy 1. 2geology of mid ocean ridges the atlantic ocean ridges stretch for a length of about 5,000 kilometers and are up to about 4,000 meters thick. The axis of the ridge is marked by a 1i2km deep rift valley, which is.

But venture below and you'll find a varied landscape that includes the deepest valleys and tallest mountains on earth. If these areas remain hot for long enough, islands can grow where enough new basaltic crust is formed. Or, the lava intrudes to the surface and pushes the plates apart.

They form a rift valley system that encircles the earth along a total length of over 75,000 km ( figure 6.11 ).

Southwest indian ridge, between antarctica and africa latitude: Click image for larger view and image credit. Midocean ridges map of te ocean floor from world ocean floor panorama, authors marie tharp and bruce c. It is a central feature of seafloor terrain that is more varied and more.