• Obere Stalden-Decke

    Origin of the Name

    Stalden (VS)

    Rank
    tectonic zone
    Status
    valid
    In short

    The Upper Stalden Nappe is a Middle Penninic tectonic unit of the upper Valais region, between Visp and the Simplonpass, with a similar in structural position as that of the Ruitor Nappe (between the Zone Houillère and the Siviez-Mischabel Nappe). It is composed of a polycyclic basement with numerous pre-Alpine relics, seemingly lacking a sedimentary cover.

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  • Törbel-Gneis

    Origin of the Name

    Törbel (VS)

    Rank
    lithostratigraphic Formation
    Status
    informal term
    Age
    Middle Paleozoic - Late Paleozoic
    In short

    Feinkörniger grauer Paragneis (Metaquarzit und Metagrauwacke) der Obere Stalden-Zone, mit Horizonte reich an Kerogen.

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  • Ahorn-Augengneis

    Origin of the Name

    Ahorn (VS)

    Rank
    lithostratigraphic unit
    Status
    local name (informal)
    Age
    Ordovician
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