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 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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