• Gornergrat-Decke

    Origin of the Name

    Gornergrat (VS)

    Rank
    tectonically bounded lithostratigraphic unit
    Status
    informal term
    In short

    The Gornergrat Nappe is a thin tectonic unit located at the contact between the Middle and Upper Penninic in the Val d’Anniviers, Zermatt Valley and Valtournanche. It is composed of a series of Briançonnais-type Permian–Triassic sediments overlain by Jurassic breccias and limestone and calcschists probably of Cretaceous age (hence quite similar to that of the Mont Fort Nappe).

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  • Mittaghorn-Zone (Zermatt)

    Origin of the Name

    Mittaghorn (VS)

    Rank
    tectonic zone
    Status
    local name (informal)
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  • Kalkglimmerschiefer der Gornergrat-Decke

    Rank
    lithostratigraphic unit
    Status
    informal term
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  • Dolomitmarmor der Gornergrat-Decke

    Rank
    lithostratigraphic unit
    Status
    informal term
    Age
    Triassic
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  • «Permo-Trias» der Gornergrat-Decke

    Rank
    petrography
    Status
    informal term
    Age
    Permian - Triassic
    In short

    Quarzitische und konglomeratische Albit-Hellglimmer-Schiefer und Hellglimmer-Tafelquarzite.

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  • Granat-Muskowit-Schiefer der Gornergrat-Decke

    Rank
    lithostratigraphic unit
    Status
    informal term
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