Plates on either side of the Mid-Atlantic Ridge are oceanic plates.
at the mid-ocean ridge
The Mid-Atlanic Ridge is the divergent boundary that is responsible for seafloor spreading. Consisting mostly of divergent boundaries, with transform faults as well, this is the site where new oceanic crust is added, increasing the size of the ocean. This location is dotted with underwater volcanoes as igneous basaltic magma is added to fill in the gap left as the oceanic plates drift away.
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Divergent boundaries are areas where continental or oceanic plates are moving away from each other and creating new crust. Examples would be the Mid-Oceanic Ridge and the East African Rift Zone.
Diverging oceanic plates.
The Mid-Atlantic Ridge.
Ridge
a mid oceanic ridge
this depends on the two plates that collide. Ocean plates are much heavier than continental plates. If an ocean and continental plate collide, the ocean plate sinks underneath and creates a trench. If two ocean plates or two continental plate collide, it creates a mountain range/ oceanic ridge depending on the type.
The Oceanic Plates are younger than the continental because they are "recycled"; think of the oceanic ridges, such as the mid Atlantic oceanic ridge, that is where a hot spot under diverging plates (plates moving apart) push magma up, causing new young ocean floor to spread from this spot, and pushing the old floor into trenches and other continents, being destroyed. Another point to remember is that the ocean crust is thicker the farther away from the ridge; this is because it has had more time to build itself up compared to the more thin young crust.
Collisions Of Continental Plates
it corresponds to the south american, african, north american, and eurasian plates