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Dynamics of Earth's Interior and Tectonics: Insights into Planetary Formation and Evolution

This overview explores the intricate dynamics of Earth's interior, focusing on its tectonic activity and mantle behavior. It discusses the formation of Earth and the Moon, utilizing U/Pb and Hf/W isotope chronometers for a precise timeline of early events. Key insights on seismic wave propagation, including P-wave and S-wave behaviors, enhance understanding of Earth's internal structure. The study also examines mantle convection, plate mobility, and tectonic phenomena, drawing evidence from seismic tomography, particularly regarding subduction under Japan.

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Dynamics of Earth's Interior and Tectonics: Insights into Planetary Formation and Evolution

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  1. Terrestrial Planets Earth as a planet: interior & tectonics. Dynamics of the mantle Modeling terrestrial planets

  2. The Formation of the Earth • Precise timeline of early events using U/Pb and Hf/W isotope chronometers. Jacobsen (2003)

  3. The Formation of the Earth • Asteroid Itokawa might resemble the clumps that agglomerated to form the Earth & planets

  4. The Formation of the Moon Canup & Asphaug (2001)

  5. Earth as a planet - interior

  6. Earth interior - seismic waves

  7. Earth interior - seismic surface waves

  8. Earth interior Modes of propagation of P-waves and S-waves: Terminology: SS = S-waves reflected at surface PP = P-waves reflected at surface PCP = P-waves reflected at CMB PKP = P-waves refracted in core CMB = core-mantle boundary

  9. Earth interior

  10. Earth as a planet - tectonics

  11. Earth as a planet - tectonics

  12. Earth as a planet - tectonics

  13. Earth - plate mobility

  14. Earth as a planet - tectonics

  15. Earth - plate collision & subduction Evidence from seismic tomography for the subduction of the plate under Japan. Variations in shear-wave velocity, vS Kustowski et al.(2006)

  16. Earth - plate collision

  17. Earth as a planet - tectonics

  18. Earth mantle convection simulation Labrosse & Sotin (2002)

  19. Earth interior - mantle plumes

  20. Earth interior - cooling

  21. Earth as a planet

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