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Folds and Erosion HTML5


In the context of two converging tectonic plates, the continental lithospheres can collide. The sedimentary layers that they carry are subjected to high pressures that cause their deformation.

Learning goals

  • To identify the different types of folds
  • To distinguish between folds and faults
  • To make the link between the form of a fold and the rocky outcropping that results after erosion.

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The deformation of strata is slow (a few centimeters per year) and takes place over several mllion years.

Sedimentary terrain in the convergence zone are first folded, and they can stand on end…

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