Tectonic boundaries - PowerPoint PPT Presentation

Plate Tectonics

Plate Tectonics Theory and Pangaea. Plate Tectonics . Earthquakes. The Surface of the Earth. Volcanoes. Mountains. The Surface of the Earth. The Earth has three layers; the crust , the mantle , and the core . These three layers are based on chemical composition. Next. Back.

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700 views • 44 slides

ESC 102 Historical Geology Fall 2010

ESC 102 Historical Geology Fall 2010. Spheres of the Earth. When we view the Earth from space what Earth systems are observable? What is most obvious? Are these systems independent or do they interact with one another ?. Spheres of the Earth. Lithosphere: Earth’s solid rocky mass

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567 views • 41 slides

Causes of Volcanoes

Causes of Volcanoes. Pgs. 156 - 161. Formation of Magma. The key to understanding why volcanoes form is understanding how magma forms. Magma collects in the deeper regions of the Earth’s crust and upper layer of the mantle.

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294 views • 14 slides

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