Postvariszische Intrusiva des Bernina-Deckenkomplexes

Back to Bernina Nappe Complex

Representation and status

Color CMYK
(0%,42%,51%,12%)
Color RGB
R: 225 G: 130 B: 110
Rank
lithostratigraphic unit
Validity
Unit is in Use
Status
informal term

Nomenclature

Deutsch
Postvariszische Intrusiva des Bernina-Deckenkomplexes
Français
roches plutoniques postvarisques du Complexe de nappes du Bernina
English
Postvariscan plutonic rocks of the Bernina Nappe Complex
Historical Variants

jüngere Quarzsyenit-Alkalifeldspat-Granit-Reihe = younger quartz-syenite-alkali feldspar granite trend (Rageth 1984), Alkaliserie (Büchi 1994), group B = alkaline syenite-alkaligranite-leucogranite suite (von Quadt et al. 1994)

Hierarchy and sequence

Subordinate units

Age

Age at top
  • Early Permian
Age at base
  • Late Carboniferous (= Pennsylvanian)
Dating Method

295 +/-12 Ma und 292 +/-6 Ma (U/Pb auf Zirkon, von Quadt et al. 1994)

Palaenography and tectonic

Tectonic unit (resp. main category)
Kind of protolith
  • plutonic

  • Piz-Chalchagn-Granit

    Name Origin

    Piz Chalchagn (GR)

    Rank
    lithostratigraphic unit
    In short
    Alkalifeldspatgranit und Syenit.
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  • Munt-Pers-Granodiorit

    Name Origin

    Munt Pers (GR)

    Rank
    lithostratigraphic unit
    Status
    informal term
    Nomenclatorial Remarks
    <p>? Pegmatitlager der Crast'agüzza und des Munt Pers (Staub 1946)</p>
    In short

    Postvariszischer, alkalischer Granodiorit, mit kleineren lokalen syenitischen Vorkommen.

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