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The Glarus overthrust is one of the best known examples of a thrust fault. Prior to its explanation as the base of an overthrust mass, this anomaly of the stratigraphic column had been explained by the Double Fold model, two recumbent folds facing each other. This model, advocated by Arnold Escher and Albert Heim, has been discredited by later geologists as a tectonically unsound concept which retarded...
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