Quelques problemes de paleogeographie alpine

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Abstract
A criticism of the theory of embryonic precursory folding in the Alps, based on some examples from Helvetic, Pennine, and Prealpine zones in Switzerland and Savoy, France. The importance of Mesozoic flexures and faults is stressed, as well as the absence of any indications of tangential crustal movements before the Cretaceous and the presence of evidence proving the instability of the paleogeographic elements of the Alpine zone. The thick masses of Alpine schists are not mainly "comprehensive series," but deposits accumulated rapidly in a relatively brief period of time. The essential characteristic of the Alpine geosyncline was mobility rather than subsidence.

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