• What is tectonic plate?
  • Plates boundaries
    • divergent boundaries
      • convergent boundaries
        • transformant boundaries
        • Cycle's Wilson
        • Engine movement of the plates: convection
        • External mannifestations of internal dinamics
          • earthquakes
            • volcanoes
            • Deformations
              • folds
                • failures
                • The cycle's rock
                • Videos of earthquakes
                In the folds can define a number of elements: edges (each of the
                surfaces forming the fold), the hinge (line joining the two flanks) and the plane
                or axial surface (plane formed by the union of the hinges of all layers). 

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                In view of its morphology folds are classified as Anticlines, when presented in
                its core older materials and synclines when present in the core material
                more recent.

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