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.
The oceanic crust begins at the Mid-Ocean Ridge, where tectonic plates are moving apart, allowing magma to rise and solidify, forming new crust. This process of seafloor spreading creates the youngest oceanic crust at the ridge and older crust farther away from it.
The Mid-Atlantic Ridge was not the result of continental convergence. Instead, it is a divergent boundary where new oceanic crust is forming as tectonic plates move apart.
The Mid-Atlantic Ridge.
Ridge
a mid oceanic ridge
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
at the mid ocean ridge
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