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16 Cards in this Set
- Front
- Back
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plinian eruption |
huge, exlposive, sudden |
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vulcaniun eruptions |
moderately sized and explosive, the most common
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Tephra |
tons of ash and lapilli deposits, it's heavy and kills plants/crops
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Pyroclastic flow |
avalanches of hot ash that race downslope at 300km/h, gl running
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Pyroclastic debris |
- fragments blown out of a volcano |
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Lahar |
mudflows result when water moves ash, really quick river of mud |
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Mafic |
calcium, sodium, very hot, low silica, low viscosity
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Felsic |
silicon, oxygen, aluminum, potassium, more explosive (has more gas)
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transform plate boundary |
plates slide past each other, usually on each continents and cause the most human damage |
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strike-slip fault |
one block slides past the other |
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Effusive eruptions |
produce lava flows, basaltic lava, moves slowly enough to run |
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distortion |
foldage and breakage and stuff |
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ductile |
flowing and folding from higher P/T, results in plastically deformed rocks |
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shear stress |
sliding past |
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strike slip |
blocks move parallel to fault plane strip |
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dip slip |
blocks move parallel to the dip of the fault |
