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Definition
| A weak spot in the Earth's crust where molten material, or magma, comes to the surface. |
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Definition
| A molten mixture of rock forming substances, gases, and water from the mantle. |
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Definition
| Liquid magma that reaches the surface; also the rock formed when liquid lava hardens. |
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Definition
| A major belt of volcanoes that rims the Pacific Ocean. |
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Definition
| A string of islands formed by the volcanoes along a deep ocean trench. |
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Term
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Definition
| An area where magma from deep within the mantle melts through the crust above it. |
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