Unité Inférieure (Nappe du Mont Mary)

Back to Mt Mary Nappe

Representation and status

Color RGB
R: 241 G: 239 B: 237
Rank
tectonic unit
Validity
Unit is in Use
Status
informal term

Nomenclature

Deutsch
Untere Einheit (Mont-Mary-Decke)
Français
Unité Inférieure (Nappe du Mont Mary)
Italiano
Unità Inferiore (Falda del Mont Mary)
English
Lower Unit (Mont Mary Nappe)
Historical Variants

Lower unit of the Mont Mary nappe (Canepa et al. 1990), Lower Unit (TK500 / Gouffon et al. 2024)

Palaenography and tectonic

Tectonic unit (resp. main category)
Kind of protolith
  • tectonic
Metamorphism
metamorphic

References

Definition
Gouffon Yves (Editor) (2024) : Tectonic Map of Switzerland 1:500000, Explanatory notes. Federal Office of Topography swisstopo, Wabern

p.81: The Mont Mary Nappe also includes two crystalline basement units. The so-called Lower Unit mainly comprises pre-Alpine amphibolite-facies paragneisses and minor amphibolites and orthogneisses. The Upper Unit is similar to the Valpelline Unit of the Dent Blanche Nappe.

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