Granat-Hornblende-Plagioklas-Orthogneis

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Representation and status

Index
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CMYK Color
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RGB color
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Rank
lithostratigraphic unit
Validity
Unit is in Use
Status
informal term
SCS note
-
SCS date
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Comment
-

Nomenclature

German
Granat-Hornblende-Plagioklas-Orthogneis
French
Orthogneiss à grenat, hornblende et plagioclase
Italian
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English
Garnet-Hornblende-Plagioclase Orthogneiss
Origin of the Name
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Historical Variants
Silvretta garnet-hornblende-plagioclase orthogneisses = Grt-Hbl-Pl Gneisses (Müller et al. 1996)
Nomenclatorial Remarks
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Synonyms

Synonyms
Non-synonyms
Possible confusion

Description

Description
60% unzonierter Plagioklas, 20-25% Hornblende, 15% Quarz, bis 5% Granat, Epidot (sowie bis 1% Zirkon!) (Müller et al. 1996)
Geomorphology
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Thickness
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Components

Lithological content
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Mineral content
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Fossil content
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Hierarchy and succession

Superordinate unit
Subordinate units
Units at roof
    -
Units at floor
Lateral equivalents
Upper boundary
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Lower boundary
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Stratigraphic discussion
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Age

Age at top
Early Cambrian
Note about top
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Age at base
Neoproterozoic (= Late Proterozoic)
Note about base
-
Dating method
532 +/-30 Ma (Müller et al. 1996)

Geography

Geographical extent
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Type area
Type locality
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Type profile
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Reference profiles
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Point of interest
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Paleogeography and tectonic

Paleogeography
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Kind of protolith
  • plutonic
Conditions of formation
protolith = oceanic plagiogranite (Müller et al. 1996)
Sequence
-
Tectonic Unit (resp. main category)
Silvretta
  • S-chanf :
    inkl. Suvsilvrettide Linsen
Metamorphism
polycyclic
Metamorphic facies
-
Note on metamorphism
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References

Definition
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Revision
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Important publications
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Material and varia

Applications
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