Postvariszische Diabasgänge der Silvretta-Decke

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Representation and status

Color CMYK
(50%,0%,25%,37%)
Color RGB
R: 80 G: 160 B: 120
Rank
lithostratigraphic unit
Validity
Unit is in Use
Status
informal term

Nomenclature

Deutsch
Postvariszische Diabasgänge der Silvretta-Decke
Historical Variants

--- (Escher 1921, Eugster 1923, Blumenthal 1926), Diabasgänge der Silvretta (Bearth 1932), diabase dikes of the Silvretta (Hellermann 1990), Diabase dykes = Silvretta dikes (Hellermann Furrer 1992)

Components

Mineral Content
  • augite
  • plagioclase
  • hornblende

Hierarchy and sequence

Lower boundary

Intrusiv, diskordant durch alle ältere Einheiten.

Age

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

Jünger als 310 Ma (nur alpin deformiert ; Hellermann Furrer 1984)

Geography

Point of interest
  • Macun (GR)
    Site particularities
    • typische Fazies
    Coordinates
    • (2806340 / 1178800)
    Note
    • Michael 1985. von der Crone 1989
  • Val Barlas-ch (GR)
    Site particularities
    • typische Fazies
    Coordinates
    • (2797000 / 1172350)
    Note
    • Michael 1985, van der Crone 1989
  • Rotbüelspitz (GR)
    Site particularities
    • typische Fazies
    Site accessibility
    • Grat
    Coordinates
    • (2791960 / 1199180)
    Note
    • Flisch 1981

References

Definition
Hellermann Furrer, Barbara Elisabeth (1992) : Petrographic, geochemical and isotopid studies of diabase dykes of the Swiss Silvretta nappe. Diss. Univ. Fribourg, 155 S.
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