Blatten-Muschelsandstein («Obere Seelaffe»)

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Representation and status

Index
-
CMYK Color
-
RGB color
R: 205 G: 210 B: 140
Rank
lithostratigraphic Bed
Validity
Unit is in Use
Status
local name (informal)
SCS note
-
SCS date
-
Comment
-

Nomenclature

German
Blatten-Muschelsandstein («Obere Seelaffe»)
French
Grès coquillier du Blatten («Obere Seelaffe»)
Italian
Arenaria a conchiglia di Blatten («Obere Seelaffe»)
English
Blatten Shelly Sandstone («Obere Seelaffe»)
Origin of the Name

Blatten (SG), östlich Rorschach

Historical Variants
Obere Seelaffe (Studer 1853 S.446, Früh 1904), Seelaffe von Rohrschach (Rollier 1903), Seelaffe Martinstobel-Blatten/Staad (Büchi & Hofmann 1945), Obere Seelaffe von Blatten-Staad (Büchi 1955, Eugster et al. 1960), Obere Seelaffe von Blatten-Martinsbrücke (Hofmann 1949), obere Seelaffe von St. Gallen = Hauptmuschelsandsteinhorizont (Büchi et al. 1965), Obere Seelaffe von Blatten (Hantke 2004).
Nomenclatorial Remarks
-

Synonyms

Synonyms
Non-synonyms
Possible confusion

Description

Description
Sandstein, kreuzgeschichtet und voller Muscheltrümmer.
Geomorphology
-
Thickness
-

Components

Lithological content
  • sandstone (psammite, arenite) : grains 1/16 mm - 2 mm
Mineral content
-
Fossil content
  • wood
  • shark teeth
  • bivalves

Hierarchy and succession

Superordinate unit
Subordinate units
Units at roof
    -
Units at floor
Lateral equivalents
Upper boundary
-
Lower boundary
Liegt mit ebenem Kontakt den Unteren Plattensandsteinen auf.
Stratigraphic discussion
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Age

Age at top
Burdigalian
Note about top
-
Age at base
Burdigalian
Note about base
-
Dating method
-

Geography

Geographical extent
In veränderter Fazies bis an die Urnäsch.
Type area
-
Type locality
  • Alter Steinbruch bei Blatten (SG)
    Site particularities
    • fossil site
    Site accessibility
    • vanished outcrop
    • quarry
    Coordinates
    • (2759220 / 1261030)
    Note
    • Renz 1938, Hantke 2004
Type profile
-
Reference profiles
-
Point of interest
-

Paleogeography and tectonic

Paleogeography
North Alpine Foreland Basin,
Kind of protolith
  • sedimentary
Conditions of formation
-
Sequence
-
Tectonic Unit (resp. main category)
Plateau Molasse
Metamorphism
-
Metamorphic facies
-
Note on metamorphism
-

References

Definition
-
Revision
-
Important publications
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Material and varia

Applications
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