Mittlerer Err-Einheit

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Representation and status

Color CMYK
(0%,0%,0%,100%)
Rank
tectonic unit
Validity
Unit is in Use
Status
incorrect name (though informally used)
Status discussion

Nomenclature

Deutsch
Mittlerer Err-Einheit
Français
unité moyenne de la nappe d'Err
Italiano
unità media della falda d'Err
English
Middle Err unit
Nomenclatorial Remarks

Err-Decke s.s. (Cornelius 1932 und 1935, Dietrich 1969), Err-Grevasalvas (Trümpy 1975, Finger 1978), Err-Kristallin + Vairana (Handy et al. 1993), Middle Err unit (Manatschal & Nivergelt 1997)

Hierarchy and sequence

Geography

Geographical extent
Piz d'Err, Piz Jenatsch, Piz Lavinér.
  • Err-Decke

    Name Origin

    Piz d'Err (GR)

    Rank
    nappe
    Status
    valid
    In short

    The Err Nappe is a Lower Austroalpine tectonic unit confined to an area northwest of the Engadine Fault between Albulapass and Julierpass where it overlies the Carungas Slice. Towards the south it is separated from the Julier Nappe (Bernina Nappe Complex) by a multiply deformed synclinorium, the so-called “Samedan Zone”.

  • Grevasalvas-Einheit

    Name Origin

    Grevasalvas (GR)

    Rank
    tectonic unit
    Status
    local name (informal)
    Valid term
    Corvatsch-Schuppe
    In short

    Äquivalent der Corvatsch-Schuppe nordwestlisch der Engadiner Linie.

  • Corvatsch-Schuppe

    Name Origin

    Piz Corvatsch (GR)

    Rank
    tectonic slice
    Status
    informal term
    In short

    The Corvatsch Slice, located southeast of the Engadine Fault, can be seen as the equivalent of the Err Nappe. It is predominantly made up of intensely deformed pre-Mesozoic basement. Its Mesozoic cover is only rarely preserved just below the overlying Bernina Nappe (e.g., at Fuorcla Surlej).

    • Fuorcla-Surlej-Sedimente

      Rank
      tectonically bounded lithostratigraphic unit
      Status
      informal term
      In short
      Geringmächtige normalliegende Sedimentbedeckung des Corvatsch-Kristallins und Deckentrenner mit der hangende Bernina-Decke s.s.
    • Corvatsch-Granitkomplex

      Name Origin

      Piz Corvatsch (GR)

      Rank
      lithostratigraphic Superformation
      Status
      informal term
      In short

      Porphyrischer bis gleichkörniger, grobkörniger (Hornblende)-Biotit-Granodiorit.

      Age
      Carboniferous
      • Corvatsch-Granodiorit

        Name Origin

        Piz Corvatsch (GR)

        Rank
        lithostratigraphic unit
        Status
        incorrect name (though informally used)
        In short

        Schwach hellgrünlich-grauer, biotitarmer Granit.

        • Ota-Porphyr

          Name Origin

          Alp Ota (GR) am Piz Corvatsch (Oberengadin)

          Rank
          lithostratigraphic unit
          Status
          local name (informal)
          In short

          Porphyrige Varietät des Corvatsch-Granodiorites.

          Age
          Carboniferous
      • Crap-Margun-Granit

        Name Origin

        Crap Margun (GR), NW-Grat des Piz Mortèl

        Rank
        lithostratigraphic unit
        Status
        local name (informal)
        In short

        Hellgrauer porphyroklastischer Granit.

      • Ota-Porphyr

        Name Origin

        Alp Ota (GR) am Piz Corvatsch (Oberengadin)

        Rank
        lithostratigraphic unit
        Status
        local name (informal)
        In short

        Porphyrige Varietät des Corvatsch-Granodiorites.

        Age
        Carboniferous
      • Chastelets-Granit

        Name Origin

        Chastelets (GR)

        Rank
        lithostratigraphic unit
        Status
        local name (informal)
        Valid term
        Corvatsch-Granodiorit
        In short

        Porphyrartiger Granit.

      • Crap-Alp-Ota-Granit

        Rank
        lithostratigraphic unit
        Status
        local name (informal)
        In short

        Graugrüner feinkörniger Granit.

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