Geothermal Energy

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the accumulation elements with similar physical properties into hot bodies caused a slow formation of a crystalline barrier around the denser core. Hot bodies consisting of iron were attracted to the core with greater force because they were more dense. These hot bodies sunk into and became part of the constantly growing core. Less dense elements were pushed towards the surface and began to form the crust. The early crust or crystalline barrier consisted of ultra basic, basic, calc-alkaline, and granite. The early crust was very thin because the core was extremely hot. It is estimated that the mantel e 200 to 300 degrees Celsius warmer than it is today. As the core cooled through volcanism the crust became thicker and cooler. The earth is made up of four basic layers, the inner solid core, the outer liquid core, the mantel and the lithosphere and crust. The density of the layers gets greater the closer to the center of the earth that one gets. The inner core is approximately 16% of ...

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frictional forces and the rise of magma from the mantle through propagating lithosphere fractures and thermal plumes sometimes resulting in volcanism. During plate movement, continental plates are constantly being consumed and produced changing plate boundaries. When collisions between plates occur, the crust is pushed up sometimes forming ranges of mountains. This is the way that most Midoceanic ranges were formed. Continental plates sometimes move at rates of several centimeters per year. Currently the Atlantic ocean is growing and the Pacific ocean is shrinking due to continental plate movement. In Rome people first used geothermal resources to heat public bath houses that were used for ...

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