Covers divergent plate boundaries in the ocean and on land.
Explains how new crust is formed at divergent plate boundaries.
Reviews divergent plate boundaries in the oceans.
Iceland's location on the Mid-Atlantic Ridge and above a hotspot produces a lot of heat. This heat plus water makes geothermal energy that provides most of Iceland's power.
Hydrothermal vents are found at spreading ridges where cold seawater comes into contact with hot magma. The vents have amazing mineral chimneys and strange life forms that are dependent on chemosynthesis for nutrients.