Postvariszische Diabasgänge der Silvretta-Decke

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Representation and status

Index
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CMYK Color
-
RGB color
R: 80 G: 160 B: 120
Rank
lithostratigraphic unit
Validity
Unit is in Use
Status
informal term
SCS note
-
SCS date
-
Comment
-

Nomenclature

German
Postvariszische Diabasgänge der Silvretta-Decke
French
-
Italian
-
English
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Origin of the Name
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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)
Nomenclatorial Remarks
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Synonyms

Synonyms
Non-synonyms
Possible confusion

Description

Description
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Geomorphology
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Thickness
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Components

Lithological content
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Mineral content
  • augite
  • plagioclase
  • hornblende
Fossil content
-

Hierarchy and succession

Superordinate unit
Subordinate units
Units at roof
    -
Units at floor
Lateral equivalents
Upper boundary
-
Lower boundary
Intrusiv, diskordant durch alle ältere Einheiten.
Stratigraphic discussion
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Age

Age at top
Late Carboniferous (= Pennsylvanian)
Note about top
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Age at base
Late Carboniferous (= Pennsylvanian)
Note about base
-
Dating method
Jünger als 310 Ma (nur alpin deformiert ; Hellermann Furrer 1984)

Geography

Geographical extent
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Type area
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Type locality
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Type profile
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Reference profiles
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Point of interest
  • Macun (GR)
    Site particularities
    • typical facies
    Coordinates
    • (2806340 / 1178800)
    Note
    • Michael 1985. von der Crone 1989
  • Val Barlas-ch (GR)
    Site particularities
    • typical facies
    Coordinates
    • (2797000 / 1172350)
    Note
    • Michael 1985, van der Crone 1989
  • Rotbüelspitz (GR)
    Site particularities
    • typical facies
    Site accessibility
    • mountain ridge
    Coordinates
    • (2791960 / 1199180)
    Note
    • Flisch 1981

Paleogeography and tectonic

Paleogeography
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Kind of protolith
-
Conditions of formation
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Sequence
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Tectonic Unit (resp. main category)
Silvretta
  • S-chanf :
    inkl. Suvsilvrettide Linsen
Metamorphism
-
Metamorphic facies
-
Note on metamorphism
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References

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

Applications
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