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18 Cards in this Set
- Front
- Back
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internal resistance to flow
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viscosity
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something with low viscosity exhibits _____ behavior
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fluid
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something wtih high viscosity exhibits _____ behavior
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thicker
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a highter temperature leads to a _____ viscosity
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lower
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the viscosity of SiO4-rich magma/the more SiO4 something has, the _____ the viscosity
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higher
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viscosity has to do with primarily _____ bonding
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covalent
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the _____ states that sediment layers are continuous and end only against a topographic high, by pinching out from lack of sediment, by gradual change from one sediment to another; the layer ends abruptly and may have been eroded by water or truncated by a fault
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law of original continuity
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the law of original continuity states that sediment layers are continuous and end only: (1.) against a _____, (2.) by _____ from a lack of sediment, (3.) by _____ change from one sediment to another; basically, the layer ends abruptly and may have been eroded by _____ or truncated by a _____
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topographic high; pinching out; graduational; water; fault
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True or false? Understanding fault offset can have financial rewards.
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true
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states that sediments are originally deposited in horizontal layers
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law of original horizontality
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the _____ states that in undeformed sequences of _____ rock layers, each layer is younger than the layer beneath it and older than the layer above it
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law of superposition; sedimentary
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_____ is a process by which water-saturated sediment temporarily loses strength and acts as a fluid
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liquefaction
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_____ was developed to quantify what people feel during an earthquake
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Modified Mercalli Scale
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The _____ was used for earthquakes before instrumentation or for current earthquakes in areas without instrumentation
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Modified Mercalli Scale
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_____ assesses an earthquake's effect on people and buildings
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Modified Mercalli Scale
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an instrument used to detect earthquake waves/eruptions
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seismometers
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after an earthquake, you should be calm, check for injuries, be ready for _____, stay away from buildings, listen to emergency workers, and watch out for hazards like broken glass, fire, slippery surfaces, and downed power lines
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aftershocks
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Violent volcanic eruptions occur at _____
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subduction zones
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