EESA06H3 Chapter Notes - Chapter 4: Geomagnetic Reversal, Weight, Viscosity

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30 Apr 2012
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The earth"s crust is a thin skin of rock. Earth is divided into three major layers: the crust, the mantle, the core. Seismic reflection and refraction suggest that the continents are largely igneous and metamorphic rock, such as granite and gneiss, overlain by a veneer of sedimentary rocks. Geophysics the application of physical laws and principles to a study of the earth. What is inside the earth? main zones of the earth. Seems to indicate that s waves do not travel through the core at all parts, a liquid outer core and a solid inner core. Meteorites are thought to be remnants of the basic material that created our own solar. An estimated 10 percent of meteorites are composed of iron mixed with small system amounts of nickel. Material similar to these meteorites may have helped create the earth. A circulation pattern in which low-density material rises and high-density material sinks.

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