Blattengrat-Schichten

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Representation and status

Color CMYK
(0%,0%,0%,100%)
Rank
tectonically bounded lithostratigraphic unit
Validity
Unit is not in Use
Status
informal term
Status discussion

Nomenclature

Deutsch
Blattengrat-Schichten
Français
Couches du Blattengrat
Italiano
Complesso del Blattengrat
English
Blattengrat Complex
Origin of the Name

Blattengrat (GL)

Historical Variants
Mittlerer Teil des Glarner Flysches = Flyschabteilung des Blattengrates (Heim 1908), Blattengratschichten (Oberholzer & Heim 1910), Blattengratflysch (Leupold 1942), Blattengratserie (Leupold 1943), Blattengratflysch (Bisig 1957, Rüefli 1959), Blattengrat-Komplex = Blattengratschichten = Blattengratflysch (Leupold in: Rutsch et al. 1966), Blattengrat unit = Blattengrat Schichtfolge (Lihou 1995)

Description

Description
The Blattengrat unit has a WSW-ENE structural grain, is bounded by thrusts, and forms part of the Infrahelvetic nappe pile, separated from the Helvetic nappes by the Glarus Overthrust ....whilst it is underlain by the parautochthonous North Helvetic Flysch (NHF) unit....

Hierarchy and sequence

Subordinate units
Upper boundary
Parautochtone Nordhelvetische Flysch-Gruppe
Lower boundary
Glarner Hauptüberschiebung

Palaenography and tectonic

Tectonic unit (resp. main category)
Conditions of formation
wildflysch

  • Lavtina-Sandstein

    Name Origin

    Unterlavtina (SG)

    Rank
    lithostratigraphic Formation
    Status
    informal term
    In short

    Sandsteinkomplex das lokal zwischen Blattengrat-Flysch und Sardona-Flysch vorkommt.

    Age
    middle Eocene
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  • «Blattengrat-Mergel»

    Rank
    tectonically bounded lithostratigraphic unit
    Status
    informal term
    In short

    Dunkelgraue, siltige oder sandige Mergel mit vereinzelten Fukoiden und geringmächtige Bänke von feinkörnigen, kalkigen Sandsteine.

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