Plate tectonics 2.0 - classs 1
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Plate tectonics 2.0 - classs 1

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Plate tectonics 2.0 - classs 1 Plate tectonics 2.0 - classs 1 Presentation Transcript

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  • 20/9 : Brace and Byerlee , California Earthquake: why shallow focus?, Science 168, 1573-1575 (1970). 6/10 : Walcott , Flexural rigidity, thickness and viscosity of the lithosphere, dans Bird & IsacksPlate tectonics (Bibliothèque). 26/10 : Isacks et al. , Seismology and the new global tectonics, dans Bird & Isacks, Plate tectonics (Bibliothèque). ou Vine , Spreading of ocean floor: new evidence, Science 154, 1405-1415 (1966). 3/11: Morgan , Rises, trenches, great faults and crustal blocks, dans Bird & Isacks. 16/11 : Holmes , Radioactivity and Earth’s movements, Trans. Geol. Soc. Glasgow, 18, 559-606 (1931) - http://www.mantleplumes.org/Foundations.html
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  • Maths Physique Géologie structurale Anglais Vidéo Spiral Facebook Pétrologie
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  • Dépôts glaciaires en Namibie Snowball ~600Ma
  • Le modèle de Wegener (1920)
  • Quescussion …
  • Le magnétisme à la surface de la Terre APW : hypothèse du dipôle terrestre tg (Incl) = 2 cotg (colat)
  • Dérive des pôles (1955) 45,160 46,117 Permien 45,143 62,100 Trias 36,50 76,142 Jurassique 86,0 64,187 Crétacé 75,151 85,197 Tertiaire I 80,157 87,140 Tertiaire S Europe N. Amé Age
  • Conclusions