Sandhubel-Member

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Representation and status

Index
-
CMYK Color
-
RGB color
R: 185 G: 50 B: 35
Rank
lithostratigraphic Member
Validity
Unit is in Use
Status
informal term
SCS note
-
SCS date
-
Comment
-

Nomenclature

German

Sandhubel-Member

French
Membre du Sandhubel
Italian
Membro dell Sandhubel
English

Sandhubel Member

Origin of the Name

Sandhubel (GR), 4 km S Arosa

Historical Variants
«Quarzporphyr(tuffe)» auct., Sandhubelporphyr (Studer 1837, Rutsch et al. 1966), Feldsteinporphyr (Theobald 1864 S.50), Sandhubel Member (Furrer et al. 1985)
Nomenclatorial Remarks
-

Synonyms

Synonyms
Non-synonyms
Possible confusion

Description

Description
Quarzporphyr, von blassgrüner bis braunvioletter Farbe, mit Einsprengungen von Quarz, Feldspat und Glimmer (Biotit), bald massig bald verschiefert; bisweilen vergesellschaftet mit Quarzporphyrtuffen.
Geomorphology
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Thickness
300−540 m (Furrer et al. 1985)

Components

Lithological content
-
Mineral content
-
Fossil content
-

Hierarchy and succession

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

Age at top
Early Permian
Note about top
-
Age at base
Early Permian
Note about base
-
Dating method
-

Geography

Geographical extent
Nur im Landwassergebiet: von der Alp Ramoz (E Aroser Rothorn) über den Sandhubel zur Maienfelder Furka und zum Kummerhubel.
Type area
Type locality
  • Sandhubel (GR)
    Site particularities
    • typical facies
    Site accessibility
    • mountain ridge
    Coordinates
    • (2771600 / 1179000)
    Note
    • Rutsch et al. 1966
Type profile
-
Reference profiles
-
Point of interest
-

Paleogeography and tectonic

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

References

Definition
Studer B. (1837): Die Gebirgsmasse von Davos. , Neue Denkschr. allg. Schweiz. Ges. f. ges. Natw. 1 (1836)
Revision
Furrer Heinz (Ed.) (1985): Field workshop on Triassic and Jurassic sediments in the Eastern Alps of Switzerland. , Mitt. geol. Inst. ETH und Univ. Zürich (N.F.) 248, 81 S.

p.16: The Sandhubel Mb. of the Landwasser area (300 to 540 m) mainly consists of volcanoclastics, ignimbrites, tuffs and layered light to green ashtuffs, ...
Important publications
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Material and varia

Applications
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