Geology Guide Test 2 The Earth

Jun 30th, 2015
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Why does the Earth Look the Way is Does?- Is it round/spherical? - Oblate Spheroid - Diameter is a bit larger at the equator - Revolves/spins. Why Continents/Oceanic Basins? - Continents: Rich in Aluminum (FELSIC) - Oceanic Basins: Rich in Iron (MAFIC)

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Jake GordonGeologyGeology Guide Test 2The EarthWhy does the Earth Look the Way is Does?- Is it round/spherical?- Oblate Spheroid- Diameter is a bit larger at the equator- Revolves/spinsWhy Continents/Oceanic Basins?- Continents: Rich in Aluminum (FELSIC)- Oceanic Basins: Rich in Iron (MAFIC)The Earths Relief- Highest Mountain: Mt. Everest- Himalayas- 29,028 thousand feet- George Everest- Surveyed the mountain in the 1920sWhy Mountains? Why Mountain Ranges?- Shrinking Earth Model- Area of the Earths surface remains the same- The volume of the Earth shrinks- There is a geographic pattern to mountain ranges- Many mountain ranges are along the edge of continentsContinental Drift- Not a new idea- 1620s- Sir Francis Bacon- Examined the coastlines of eastern South America and western Africa- Appeared to have a jigsaw patternFrancis Bacon- Coined the term continental drift- World not ready to accept the idea1920s- Alfred Wegener- German-born, Russia climatologist- Re-introduced the idea of continental drift- Wegener thought about coalGeography Coal- Where? PA, WY, KY, China, Canada, Great Britain- Coal: Organic matter- Basically a fossil (leaves, roots, flora)- Not decomposed- Needs a tropical climate to make coal- Mine coal in a temperate climateHow to Explain- Continents remained fixed and climate moved- Climate change- Continents moved under a stationary climate model (a modern m

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