Term
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Definition
| sandstone, shale, limestone |
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Term
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Definition
| Greenstone, Gniess, Slate, Phyllite, Schist |
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Term
| Coastal Plain (tidewater area) |
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Definition
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Term
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Definition
1. Fire: historically most deaths
2. Structural Damage: today most deaths, building codes
3. Tsunami: seismic sea wave
4. Landslides: Jamaica, Alaska
5. Cracks in the Ground
6. Changes in Land Level |
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Term
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Definition
Cause of Earthquake:
*the friction of two surfaces rubbing together and causing destruction
-stress vs. strain
-elastic vs. plastic deform
*rocks are elastic in EQ |
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Term
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Definition
| major shock waves, destructive waves |
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Term
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Definition
point where earthquake occurs
on surface directly above focus |
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Term
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Definition
Richer Scale
L wave amplitude
log scale 1-10
30x from each numer (ex from 4-5 = 30x) |
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Term
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Definition
Shallow Focus: converging and diverging
Deep Focus: converging |
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Term
Scientific Theory (4)
ex. continental drifting is a theory |
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Definition
1.observations
2.hypothesis
3.theory
4.law
*no absolutes in science |
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Term
| Evidence for Continental Drifting (5) |
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Definition
1.Shape of Continents: Alfred Wegner 1915 Pangea
2.Fossil Distribution: Glossopteris (fern), fossil
3.Paleoclimates: Africa, India; Australia, Antarctica
4. Paleomagnetism: earth's magnetic field; magnetic declination, magnetic inclination: polar wandering or movement of continents?
5. Seafloor spreading: ocean driling |
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Term
| results of seafloor spreading (3) |
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Definition
1. young crusts at ridge, older crusts at continents
2. sediment: same pattern
3. reversal of magnetic poles
=1950 Glomar Challenger |
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