The following factors contribute to plate tectonics: The Mantle's Convection (heat driven) Mountain push (gravitational force at the spreading ridges) Block pull (gravitational force in subduction zones)
Why do mid-ocean ridges exist?
A huge network of underwater volcanoes known as the mid-ocean ridge system encircles the planet like seams on a baseball and stretches for about 65,000 kilometers (40,390 miles). The system is mostly submerged, with an average water depth of 2,500 meters to the top of the ridge (8,200 feet).
Mid-ocean Ridge is where?
The Mid-Atlantic Ridge reaches the farthest South Atlantic Ocean about 60° S latitude from south of Iceland. Due to its bisecting nature of the Atlantic Ocean basin, features of this kind were previously referred to as mid-ocean ridges.
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