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12 Cards in this Set
- Front
- Back
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Magma |
Molten rock beneath earth's surface |
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Parasitic Cone |
A small cone shaped volcano formed by an accumulation of volcanic debris |
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Sill |
A flat piece of rock formed when magma hardens in a crack of a volcano |
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Vent |
An opening in earths surface through which volcanic materials escape |
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Flank |
The side of a volcano |
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Lava |
Molten rock that erupts from a volcano that solidifies as it cools |
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Crater |
Mouth of a volcano - surrounds a volcanic vent |
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Conduit |
An underground passage magma travels through |
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Summit |
Highest point ; apex |
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Throat |
Entrance of a volcano - the part of the conduit that ejects lava and volcanic ash |
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Ash |
Fragments of lava or rock smaller than 2 mm in size that are blasted into the air by volcanic explosions |
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Ash Clouds |
A cloud of ash formed by volcanic explosins |
