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13 Cards in this Set
- Front
- Back
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Lahar |
Volcanic hazard consisted of melted snow and ice. |
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How much bigger was the eruption that created the Yellowstone Caldera compared to the Mt St Hellen eruption? |
1000x |
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The gentlest slopes are found on? |
Shield volcanoes |
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Is silt smaller than sand? |
Yes |
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Felsic rocks have a ---- viscosity |
High viscosity. Magic have low viscosity. |
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Do low viscosity mama's have a high silica content? |
No |
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Explosive erruption happen at high viscosity volcanoes |
That is false |
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Mafic have ------ volcanic eruptions |
Effusive. Felsic have explosive |
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A crystalline sedimentary rock made of quartz |
Chert |
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The zone of accumulation resides in the ---- horizon |
The b horizon |
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Physical weathering increases the surface area upon which chemical weathering acts |
Yup |
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A type of mechanical weathering is |
Frost wedging |
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A columnar shaped soil structure that a lows for water to pass through quickly |
Prismatic |
