GEO 401 Lecture Notes - Lecture 1: Plate Tectonics, Dynamo Theory, Outer Core
17 Jan 2017
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Office hours: tth 11:00-12:00 or apt jgb 4. 140 471-8054 afu@jsg. utexas. edu. Geodynamo system- formation of the earth"s magnetic fields, in the earth"s outer core by the liquid ions, very very fast, involves interactions between the inner and outer cores, transportation of energy in the core, powers tectonic system. Climate system- is energized by solar radiation, involves interactions among the. Lithosphere- 100 km, contains crust and some upper mantle, crust is 10-40 km. Asthenosphere- 100ish km, relatively soft, driving belt moves lithosphere, relatively. Volcanoes how do they form and why are they in alaska and not texas, ak is close to plate tectonic boundary, hawaii is on a hotspot. Geology in national parks in the us, yellowstone. Geology is the study of how the earth works. Scientific method: observation and experiment (data, development of a hypothesis, testing (gather more data, theory, model (law/principle/praradigm)
