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Mid-Ocean Ridges
Types of Ridges | Axial | Fast/Slow Spreading | Magnetics & Polarity | Experiment

lavas Fast Spreading Ridge
Click on the different features of a fast spreading mid-ocean ridge crest »












Slow-Spreading Mid-Ocean Ridge
Slow spreading ridges like the Mid-Atlantic Ridge generally have large, wide rift valleys, sometimes as big as 10-20 km wide and very rugged terrain at the ridge crest that can have relief of up to a thousand meters (3,128 feet).