Examples are the nature of Earth's oldest rocks, the origin of continents, extraterrestrial impact and mass extinctions of organisms, rates of organic evolution, and recent developments on the origin of humans.

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Contents: Introduction, Origin of the Earth, Age of the Earth, Interior of the Earth, Interior of the Earth, The Continents and Mountains, Isostasy, Theory of Plate Tectonics, Evolution of Landforms, Volcanoes, Earthquakes, Weathering, Soils, The Study of Rocks, Mineralogy, Structural Geology.