Geography · Ch 18 — Water (Oceans)
Mid-Oceanic Ridges
Mid-Oceanic Ridges
A mid-oceanic ridge is not a single mountain range but a structure built from two parallel chains of mountains. Between these two chains lies a large depression, so the ridge as a whole is a raised feature with a valley-like gap running along its crest.
The mountain ranges that form a mid-oceanic ridge can be very tall. Their peaks can rise as high as 2,500 metres above the surrounding ocean floor, and some peaks are so high that they break the surface of the ocean and emerge as islands. …
Apart from the above mentioned major relief features of the ocean floor, some minor but significant features predominate in different parts of the oceans.
A mid-oceanic ridge is composed of two chains of mountains separated by a large depression. The mountain ranges can have peaks as high as 2,500 m and some even reach above the ocean's surfa …