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Petro-structural map of the Money Unit (Gran Paradiso Massif, Valnontey valley, Western Alps)

Abstract : The Gran Paradiso Massif is one of the Internal Crystalline Massifs (Penninic Zone) in the Alps. This Massif comprises the widely investigated Gran Paradiso Unit and the underlying, much less-explored Money Unit, which is a well-exposed tectonic window below the Gran Paradiso Unit. This contribution provides a new detailed petro-structural map of the Money Unit. An integrated structural and metamorphic study can relate different structures to the evolving metamorphic stages. There is also recognition of evidence of Permo-Carboniferous sedimentation, contact metamorphism and polyphase Alpine evolution, mainly developed under blueschist to greenschist facies conditions. The 1:5000 scale map (and the cross sections) display evidence for the Alpine evolution of the Money Unit and for the structural and geological setting of this area. From these data, a 3D model of the Money Unit and its folded contact with the Gran Paradiso Units is constructed.
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https://hal-insu.archives-ouvertes.fr/insu-00965295
Contributor : Isabelle Dubigeon <>
Submitted on : Tuesday, March 25, 2014 - 9:09:02 AM
Last modification on : Friday, April 5, 2019 - 8:22:39 PM

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Paola Manzotti, Christian Le Carlier de Veslud, Benjamin Le Bayon, Michel Ballevre. Petro-structural map of the Money Unit (Gran Paradiso Massif, Valnontey valley, Western Alps). Journal of Maps, Taylor & Francis, 2014, 10 (2), pp.324-340. ⟨10.1080/17445647.2013.866912⟩. ⟨insu-00965295⟩

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