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Elementary Earth Physics

Elementary Earth Physics. Jean-Claude Mareschal Fiona Darbyshire. Course outline. Age and formation of Earth and planets. Origin of the elements. Formation of the moon. The early Earth. Geochronology. (JCM) Shape and rotation of the Earth. Tides. (JCM)

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Elementary Earth Physics

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  1. Elementary Earth Physics Jean-Claude Mareschal Fiona Darbyshire

  2. Course outline • Age and formation of Earth and planets. Origin of the elements. Formation of the moon. The early Earth. Geochronology. (JCM) • Shape and rotation of the Earth. Tides. (JCM) • The gravity field of Earth. Gravity anomalies. Isostasy. (JCM) • Heat flow, thermal regime, and the energy budget of the Earth. (JCM) • Earth’s magnetic field. The geodynamo. (JCM) • Seismic wave propagation. Body and surface waves. Free oscillations. (FD) • Seismicity of the Earth. Earthquake focal mechanisms. (FD) • Plate tectonics. (FD) • Seismic tomography: implications for geodynamics and mantle convection. (FD)

  3. Course objectives • What do we want to know about Earth interior? • Physical properties (density, elastic properties, viscosity, electrical conductivity, …) • Pressure, temperature at depth • Chemical composition • Physical state (liquid, solid) • Equation of state • How did it come to be what it is today? • How does it work?

  4. Feynman’s Lectures on Physics(1962)

  5. Some references • Davies, G. F. Dynamic Earth: Plates, Plumes and Mantle Convection, Cambridge University Press, 2000. • Fowler, CMR, The Solid Earth: An Introduction to Global Geophysics, 2nd Edition, Cambridge, University Press, 2004. • Stacey, F.D., and Davis, P., Physics of the Earth, 4th Edition, Cambridge University Press, 2008. • Bott, M.H.P. The interior of the Earth, 2nd Edition, Edward Arnold, London, 1982

  6. Useful information • Instructors: • Fiona Darbyshire (20 October-1 December) • darbyshire.fiona_ann@uqam.ca, f.darbyshire@gmail.com • 514-987-3000x5054 • Jean-Claude Mareschal (1 September-13 October) • mareschal.jean-claude@uqam.ca, jeanclaude.mareschal@gmail.com • 514-987-3000x6864 • Evaluation: • Midterm: 40% (15 October) • Final: 40% (TBA) • Homeworks: 20%

  7. Units. Numbers.

  8. Physical constants.

  9. Numbers.

  10. Numbers.

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