• Ötztal-Deckenkomplex

    Origine del nome

    Ötztal (Österreich)

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    The Ötztal Nappe Complex is an Upper Austroalpine tectonic unit spanning the Austria-Italy border southwest of Innsbruck. In Switzerland, only two lithologically and tectonically distinct units occur: the main Ötztal Nappe (polymetamorphic paragneisses with minor orthogneisses and amphibolites) and the smaller, overlying Matsch Nappe (characteristic polymetamorphic association of interlayered metapelites, amphibolites and pegmatites).

    • Matsch-Decke

      Name Origin

      Matscher Tal = Val di Mazia (Vinschgau, Österreisch)

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      The Matsch Nappe differs from the underlying Ötztal Nappe in that it is built up of a characteristic polymetamorphic (Variscan, Permian and Alpine) association of interlayered metapelites, amphibolites and pegmatites. Manifestations of Permian metamorphism, associated with the intrusion of pegmatites, are absent in the Ötztal Nappe, and hence thrusting of the Matsch Nappe over the Ötztal Nappe must be of early Alpine age, predating emplacement and metamorphism within the Ötztal Nappe Complex at around 90 Ma.

    • Ötztal-Decke

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      The Ötztal Nappe forms the main part of the Ötztal Nappe Complex. It consists mainly of polymetamorphic paragneisses with minor orthogneisses and amphibolites.

  • Diabas der Ötztal-Decke

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    Postvarizische Diabasgänge des Ötztal-Stubai-Komplexes.

  • Ötztal-Kristallin

    Origine del nome

    Ötztal (Österreich)

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    Età
    Neoproterozoic (= Late Proterozoic) - Paleozoico
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    Kristallin der Ötztal-Decke mit Kaledonische saure Metaplutonite (470-420 Ma), sowie prä-variszische Paragneise und Eklogite. Schlingenbau.
    • Winnebach-Migmatit

      Name Origin
      Winnebach = Prato alla Drava (Italia), Pustertal im Südtirol
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      termine informale
      Age
      Neoproterozoic (= Late Proterozoic)
    • Laas-Serie

      Name Origin

      Laas = Lasa (Italia), Val Venosta

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      Oberostalpine Karbonat-reiche Metasedimente.

    • Schneeberg-Komplex

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      Sedimentäre Abfolge (grobklastisch an der Basis).

      Age
      Siluriano
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