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Published online by Cambridge University Press: 01 May 2009
In a previous number of the Geological Magazine Professor O. T. Jones questioned the existence of the metamorphism of the Trias in the autochthonous Alps. The authors give a reply stating accurately their observations. They also recall similar observations made by other authors.
The assemblage of facts cited enables us to assert that this metamorphism exists. The problem is very complex indeed; but the fact that this metamorphism seems to be in contradiction to the classical theories about alpine orogenesis does not allow one to deny its reality. The authors maintain that the solution of the problem must be looked for in the new ideas on “fronts” of metamorphism.