Sowerbyi-Schichten

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Representation and status

Index
i1S
Color CMYK
N/A
Color RGB
R: 125 G: 125 B: 125
Rank
lithostratigraphic unit
Validity
Unit is not in Use
Status
obsolete term (disused)

Nomenclature

Deutsch
Sowerbyi-Schichten
Français
Couches à Sowerbyi
Italiano
Strati a Sowerbyi
English
Sowerbyi Beds
Origin of the Name

Namengebendes Fossil: Ammonitenart Sonninia sowerbyi Mill.

Historical Variants
Couches à Ammonites Sowerby et Cidaris Courteaudina (Greppin 1866), Sowerbyi-Schichten (Mühlberg 1900), Sowerbyischichten (Tobler 1905 Tab.7a-b, Disler 1941), Couches à Sonninia Sowerbyi (Rollier 1910), Sonninien-Schichten (Fischer et al. 1971)

Description

Description
siehe Hirnichopf-Member und Waldenburg-Member

Hierarchy and sequence

Units at roof
Units at floor
Upper boundary
Neutrale Zone bzw. Humphriesi-Schichten
Lower boundary
Murchisonae-Schichten

Age

Age at top
  • early Bajocian
Age at base
  • late Aalenian
Dating Method
Ammoniten

Geography

Geographical extent
s. Hirnichopf- und Waldenburg-Mb.

Palaenography and tectonic

Tectonic unit (resp. main category)
Kind of protolith
  • sedimentary
Metamorphism
non metamorphic
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