C. Cramez, Switzerland
C. Cramez, Switzerland
C. Cramez, Switzerland
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Cyclicity48The Earth’s history, at least since Phanerozoic (600 Ma), can be depicted as cyclic. After the gathering ofthe Proto-Pangea supercontinent, it broke in several continents, which dispersed to a maximum, by seafloor spreading, before gathered, again, to form the Pangea. Then, the Pangea broke up in severalcontinents, which after dispersion are gathering to form a new supercontinent. These major geologicalcycles, recognized by Wilson Tuzco, are known as Wilson’s cycles.Évora, 8-9th May, 2006C. <strong>Cramez</strong>, <strong>Switzerland</strong>ccramez@compuserve.com