Letzi-Member

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Representation and status

Index
-
CMYK Color
siehe Villigen-Formation
RGB color
R: 185 G: 195 B: 215
Rank
lithostratigraphic Member
Validity
Unit is in Use
Status
valid formal name
SCS note
-
SCS date
-
Comment
-

Nomenclature

German
Letzi-Member
French
Membre du Letzi
Italian
Membro del Letzi
English
Letzi Member
Origin of the Name

Hügel Letzi, nord-östlich Effingen (AG)

Historical Variants
Letzi-Schichten (Moesch 1863), Letzischichten (Tobler 1905 Tab.3a/4a, Hantke 1967)
Nomenclatorial Remarks
-

Synonyms

Non-synonyms
Possible confusion

Description

Description
Das Letzi-Member besteht aus gutgeschichteten, mikritischen Kalksteinen mit wenigen Bivalven und Ammoniten im oberen Teil der Villigen-Formation.
Geomorphology
-
Thickness
ca. 20 m

Components

Lithological content
  • micritic limestone
Mineral content
-
Fossil content
  • ammonites
  • bivalves

Hierarchy and succession

Superordinate unit
Villigen-Formation
Subordinate units
Lateral equivalents
Upper boundary
-
Lower boundary
-
Stratigraphic discussion
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Age

Age at top
Early Kimmeridgian
Note about top
-
Age at base
Early Kimmeridgian
Note about base
-
Dating method
Biostratigraphie: Ammoniten der Planula-Zone bis Galar-Zone

Geography

Geographical extent
Aargauer Jura
Type area
Type locality
Type profile
-
Reference profiles
-
Point of interest
-

Paleogeography and tectonic

Paleogeography
Swabian Basin,
Kind of protolith
  • sedimentary
Conditions of formation
"séquanien"
Sequence
-
Tectonic Unit (resp. main category)
Jura
  • Southern Germany
  • Black Forest
Metamorphism
non metamorphic
Metamorphic facies
-
Note on metamorphism
-

References

Definition
-
Revision
-
Important publications
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Material and varia

Applications
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