• Adula-Decke

    Origin of the Name

    Adula = Rheinwaldhorn (GR)

    Rank
    nappe
    Status
    valid
    In short

    The Adula Nappe is a tectonic unit of the Eastern Lepontic (Ticino Culmination). It consists of a Paleozoic crystalline basement (orthogneisses, paragneisses and lenses of mafic and ultramafic rock) which experienced high-pressure Alpine metamorphism under eclogite-facies conditions. A reduced series of Mesozoic sediments is locally preserved in the cores of the synclines.

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    • Unteres Valser Melange

      Rank
      tectonically bounded lithostratigraphic unit
      Status
      informal term
      In short

      Mélange zone situated between the top of the Adula Nappe and the Misox Zone, made up of an alternation of Triassic and basement slices.

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  • Plattenberg-Brekzie

    Origin of the Name

    Plattenberg = Blattaberg (GR)/(TI)

    Rank
    lithostratigraphic Formation
    Age
    Middle Jurassic - Late Jurassic
    In short

    Dolomitische Brekzie mit Crinoiden-Fragmente. Lokal tritt ein weisses Quarzithorizont an der Basis auf.

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  • Hohbüel-Trias

    Origin of the Name

    Hohbüel (GR), ESE des Selvasees [non: Hohbüel südlich des Zervreilasees]

    Rank
    lithostratigraphic unit
    Status
    local name (informal)
    Age
    Triassic
    In short

    Lokales Triasvorkommen der Unteren Valser Schuppen.

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  • «Dolomie Bicolori»

    Rank
    lithostratigraphic unit
    Status
    incorrect name (though informally used)
    Age
    Late Anisian - Early Ladinian
    In short

    Weiss und bläulich-grau gebänderte Dolomite der "nordpenninische" Trias.

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  • Zervreila-Orthogneis

    Origin of the Name

    Ehemaliger Weiler Zervreila (GR), Valser Tal

    Rank
    lithostratigraphic Formation
    Status
    informal term
    Age
    Cisuralian (= Early Permian)
    In short

    Spätvariszischer heller augiger Zweiglimmergneis des Adula-Kristallins.

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  • Heinisch-Stafel-Formation

    Origin of the Name

    Heinisch Stafel (GR), Vals

    Rank
    lithostratigraphic Formation
    Age
    Late Ordovician
    In short

    Bräunlich anwitternde, Quarz führende Glimmerschiefer mit ausgeprägter Paralleltextur.

    Nomenclatorial Remarks

    Alp

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  • Rossa-Orthogneis

    Origin of the Name

    Rossa (GR)

    Rank
    lithostratigraphic Formation
    Status
    local name (informal)
    Age
    Late Ordovician
    In short

    Leukokrater Zweiglimmergneis (Orthogneis) der Adula-Decke.

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  • Garenstock-Augengneis

    Origin of the Name

    Garenstock (GR), Vals

    Rank
    lithostratigraphic Formation
    Age
    Late Ordovician
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  • Trescolmen-Formation

    Origin of the Name

    Alp de Trescolmen (GR), Mesocco

    Rank
    lithostratigraphic Formation
    Age
    Ordovician
    In short

    Metapelite und basische Linsen.

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    • Alp-de-Confin-Eklogit

      Name Origin

      Alp de Confin (GR), San Bernardino

      Rank
      lithostratigraphic unit
      Status
      local name (informal)
      In short

      Lokales Eklogit-Boudin im Trescolmen-Einheit der Adula-Decke.

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  • Salahorn-Formation

    Origin of the Name

    Salahorn (GR) Vals

    Rank
    lithostratigraphic Formation
    Age
    Cambrian
    In short

    Glimmerschiefer und Paragneise der Adula-Decke.

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