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51 Cards in this Set
- Front
- Back
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P (compression/sheer) (state of matter that can pass thru) |
Compression solid liquid glass |
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L |
combination solid only |
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S |
Sheer solid only |
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richter scale |
magnitude amount of energy released by earthquake |
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marcelli scale |
intensity, amount of damage and harm done to humans and buildings |
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Crust/oceanic/continental (solid/liquid/plastic) types of wave that pass thru |
solid P S L |
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Mantle |
Solid and Plastic P and S |
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Outer Core |
Liquid P |
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Inner Core |
Solid P |
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Types of Volcanos |
Cinder Cone Composite Shield |
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Cinder Cone (relative size) (type of ejection) |
100s small solid only |
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Composite |
1000s medium solid and liquid |
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Shield |
10000 largest liquid |
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what type of ejecta can affect global climate and why |
volcanic ash blowing into atmosphere, blocks incoming solar radiation, causing global cooling |
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Continental Drift |
continents have moved across the surface of the earth forming supercontinents in the past |
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Evidence 1 |
continent margins fit together like puzzle pieces |
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Evidence 2 |
Geologic features match up when put continents together, like pattern on pieces of puzzle |
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Evidence 3 |
Fossils on southern continents couldnt cross ocean |
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Evidence 4 |
Paleoclimates, glaciers appear to have moved from ocean to land, violating gravity |
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Sea Floor Spreading |
seafloor is made at mid ocean ridge moves away from ridge until destroyed at trenches |
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Evidence 1 |
Seafloor typography
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Evidence 2 |
Age of seafloor |
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Evidence 3 |
Polar wondering |
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Plate tectonics |
lithosphere of earth broken in multiple large plates that move across Earths surface |
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evidence 1 |
magnetic strips are parallel to mid ocean ridge and symmetrical on either side |
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Tectonic boundaries |
divergent convergent transform fault |
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divergent |
Mid ocean ridge |
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convergent |
andes mountains |
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transform fault |
san andres fault |
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in a sequence of rocks the oldest rocks at bottom |
superposition |
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fault that displaces rocks must be younger than the ones offset |
cross-cutting |
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rocks containing horses are younger than rocks containing dinosaurs |
faunal succession |
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Mass Wasting |
Downward movement of earth materials where gravity is primary cause |
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Creep (how long) (what material wasted soil,rock,both) (type of motion fall, slide, flow) |
Years Soil Flow |
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slump |
days soil slide and flow |
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debris flow |
hours both flow
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landslide |
seconds rock fall |
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not true of glaciers |
west chester was under ice 18,000 years ago cover 30% of land today |
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ice caps |
located today in greenland/antarica |
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silt and clay made by |
abrasion |
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glacial depositional landforms include |
moraines |
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only formed by continental glaciers |
eskers |
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describes motion of mountain glaciers |
plastic flow |
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clay and silt form from this type of sediment load |
suspended load |
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in what watershed is west chester located |
delaware |
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best describes changes in flooding after human development in a watershead |
floods are higher and faster development paves over land surface decreases infiltration runoff reaches rivers after |
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best place to build a floodplain |
nowhere |
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Maine and Oregon shorelines |
irregular tectonic |
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what will most drastically change the beach budget |
dam on a river above the beach |
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winter beach |
sand bars form offshore from sand removed from beach |
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beach replenishment |
pumping sand from offshore on to the beach Problem: expensive, only lasts a few years |
