Liechtenstein-Flysch

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Representation and status

Index
FL
Color CMYK
(5%,0%,20%,14%)
Color RGB
R: 210 G: 220 B: 175
Rank
tectonically bounded lithostratigraphic unit
Validity
Unit is in Use
Status
informal term

Nomenclature

Deutsch
Liechtenstein-Flysch
Français
Flysch du Liechtenstein
Italiano
Flysch del Liechtenstein
English
Liechtenstein Flysch
Origin of the Name

Fürstentum Liechtenstein (LI)

Historical Variants

Triesnerflysch (Trümpy in: Allemann & Blaser 1951), Liechtenstein-Flysch (Bl. Buchs)

Hierarchy and sequence

Age

Age at top
  • Palaeogene
Age at base
  • Early Cretaceous

Geography

Type area
Liechstenstein (FL)

References

Definition
Gouffon Yves (Editor) (2024) : Tectonic Map of Switzerland 1:500000, Explanatory notes. Federal Office of Topography swisstopo, Wabern

p.72: In Liechtenstein, the small Triesenberg Slice Complex (formerly “Liechtenstein Flysch”) probably represents the transition zone between the Üntschen Nappe to the northeast and the more southerly Prättigau Flysch, which belongs to the Tomül Nappe (see next §) and is exposed in the Prättigau Half-Window. This slice complex is located at the base of the Austroalpine units, the Arosa Nappe or the Falknis Nappe. It comprises two slices (Allemann 2002), the northern one composed of the Vaduz Flysch (Late Cretaceous), more or less equivalent to that of the Oberstdorf Nappe, and the southern one of the Triesen Flysch (Late Cretaceous to Paleogene), which has an affinity with the Prättigau Flysch.

  • Triesen-Flysch

    Name Origin

    Triesen (LI)

    Rank
    tectonically bounded lithostratigraphic unit
    Status
    informal term
    In short

    Wechselfolge von kieseligem und tonigem Kalk, Mergel und Tonstein, sowie gradierten polymikten Brekzienlagen im oberen Teil des Liechtenstein-Flyschs.

    Southern slice of the Triesenberg Slice Complex, consisting of a flysch of Late Cretaceous to Paleogene age, which has an affinity with the Prättigau Flysch.

    Age
    Maastrichtien
  • Vaduz-Flysch

    Name Origin

    Vaduz (LI)

    Rank
    tectonically bounded lithostratigraphic unit
    Status
    informal term
    In short

    ... im unteren Teil des Liechtenstein-Flyschs.

    Northern slice of the Triesenberg Slice Complex, consisting of a flysch of Late Cretaceous age, more or less equivalent to that of the Oberstdorf Nappe.

    • Eichholztobel-Formation

      Name Origin

      Eichholztobel (LI), südlich Vaduz

      Rank
      lithostratigraphic Formation
      Status
      informal term
      In short
      Wechsellagerung von grauem, glaukonithaltigem Kieselkalk und Mergel im oberen Teil des Vaduz-Flysches, selten auch Kalk und Tonstein.
      Age
      Coniacian
    • Schloss-Formation

      Name Origin

      Wildschloss = Burgruine Schalun (LI), zwischen Schaan und Vaduz

      Rank
      lithostratigraphic Formation
      Status
      informal term
      In short

      Monotone Abfolge von feinkörnigen, glaukonithaltigen, grauen Sandstein- und Kieselkalkbänke im unteren Teil des Vaduz-Flyschs. Im oberen Abschnitt gelegentlich mit dünnen Mergellagen.

      Age
      Turonian
    • Gaschló-Formation

      Name Origin

      Gaschló = Gaschlo (LI), ENE Schaan

      Rank
      lithostratigraphic Formation
      Status
      informal term
      In short
      Wechselfolge von Feinsandstein, glaukonithaltigem Kieselkalk, Quarzit und wenig Mergel die zwischen Vorarlberg-Flysch und Lechtal-Decke eingeschaltet ist.
      Age
      Late Cretaceous
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