'Continental rifting' diaporamas de présentation

Chapter 2: Plate Tectonics

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Alfred Wegener, a great SES scientist! (1880-1930) Thermodynamics of the Atmosphere (1911)

Alfred Wegener, a great SES scientist! (1880-1930) Thermodynamics of the Atmosphere (1911) The Origin of Continents and Oceans (1915,1929) Climate and Geological Pre-history (1924). quantitative fitting of the shapes of W. Africa and E. South America. The geology matches very closely.

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Rifting and Extensionnal Tectonics

Earth 238-25. Rifting and Extensionnal Tectonics. *Tectonic extension : crustal scale extension in the horizontal plane (parallel to the surface of earth). Crustal thinning *Extension in general: (stretching, elongation). Increase in lenght of a line or a distance between two points.

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