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12 Cards in this Set
- Front
- Back
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hot spot |
hot areas found within a plate,not at the edges of a plate |
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lava |
magma on the earths surface |
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subduction boundary |
where many volcanoes are formed at |
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crater |
hole at the top of a volcano |
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shield cone volcano |
gentle sides,quiet eruptions,,lava layers,wide base |
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cinder cone volcano |
steep sides,explosive eruptions,rock layers,narrow base |
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composite cone volcano |
somewhat steep sides,both eruptions,both rock and lava,medium base |
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caldera |
volcano with a very wide opening at the top |
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tephra |
material that comes out of a cinder cone volcano |
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San Andreas |
major fault found in CA |
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Silica |
amount in a volcano determines if the eruption is quiet or explosive. |
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pyroclastic flow |
fast moving destructive lava from a volcano |
