Dishes disperse apart on mid-sea ridges where this new seafloor variations

Dishes disperse apart on mid-sea ridges where this new seafloor variations Between the two plates are a crack valley. Lava streams at body chill rapidly being basalt, however, better on the crust, magma cools way more more sluggish to create gabbro. Therefore the whole ridge method is composed of igneous rock which is either extrusive […]