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3:1 Volcanoes
Volcanoes and Plate Tectonics
Term | Definition |
---|---|
Volcano | erupting vent through which molten rock surfaces; creating and destructing mountains |
Magma | Molten rock beneath the Earth surface. |
Lava | magma that flows out onto Earth's surface |
Ring of Fire | Pacific Ring of Fire (or just The Ring of Fire) is an area where large numbers of earthquakes and volcanic eruptions occur in the basin of the Pacific Ocean. |
Island Arc | A string of islands formed by the volcanoes along a deep ocean trench |
Hot Spot | An area where magma from deep within the mantle melts through the crust above it |