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Mid-ocean ridge
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A mid-ocean ridge is a seafloor mountain system formed by plate tectonics. It typically has a depth of about 2,600 meters and rises about 2,000 meters above the deepest portion of an ocean basin. This
Rift zone in Þingvellir National Park, Iceland. The island is a sub-aerial part of the Mid-Atlantic Ridge, meaning that the ridge rises above sea level here.
Rift zone in Þingvellir National Park, Iceland. The island is a sub-aerial part of the Mid-Atlantic Ridge, meaning that the ridge rises above sea leve
Magnesium/calcium ratio changes at mid-ocean ridges
Magnesium/calcium ratio changes at mid-ocean ridges
Oceanic basin
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In hydrology, an oceanic basin is anywhere on Earth that is covered by seawater. Geologically, most of the ocean basins are large geologic basins that are below sea level.
This figure shows the main ocean basins as they are defined in "Limits of Oceans and Seas". The boundaries are based on geography of continents and th
This figure shows the main ocean basins as they are defined in "Limits of Oceans and Seas". The boundaries are based on geography of continents and the equator.
Movements of tectonic plates and the formation of oceanic ridges and trenches.
Movements of tectonic plates and the formation of oceanic ridges and trenches.