Rosso Ammonitico Lombardo

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Representation and status

Index
l6-a
CMYK Color
40 / 55 / 30 / 0
RGB color
R: 160 G: 125 B: 145
Rank
lithostratigraphic Formation
Validity
Unit is in Use
Status
informal term
SCS note
-
SCS date
-
Comment
-

Nomenclature

German

Rosso Ammonitico Lombardo

French

Rosso Ammonitico Lombardo

Italian

Rosso Ammonitico Lombardo

English

Rosso Ammonitico Lombardo

Origin of the Name
Calcari e marne di colore rosso, ricchi di ammoniti.
Historical Variants
(Calcari marnosi dell') Ammonitico Rosso (Oppizzi & Spinedi 2007), Rosso Ammonitico (Stoppani 1857), Oberer Lias = Lias supérieur = Calcaire rouge à ammonites (GK100), Calcare ammonitico rosso = Knollenmergelfazies (Senn 1924), Rosso Ammonitico Lombardo (Desio 1929, Gaetani 1975, Stockar 2003, Bernoulli et al. 2018, Erba et al. 2019)
Nomenclatorial Remarks
-

Synonyms

Synonyms
Non-synonyms
Possible confusion

Description

Description
-
Geomorphology
-
Thickness
15-25 m (Senn 1924)

Components

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

Hierarchy and succession

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

Age

Age at top
late Aalenian
Note about top
-
Age at base
early Toarcian
Note about base
-
Dating method
-

Geography

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

Paleogeography and tectonic

Paleogeography
Lombardy Basin,
Kind of protolith
  • sedimentary
Conditions of formation
Sedimenti post-rift di alto fondo marino, spazzato dal correnti.
Sequence
-
Tectonic Unit (resp. main category)
South Alpine
  • Canavese zone
  • Ivrea-Verbano zone
  • Strona-Ceneri Zone
  • Val Colla Zone
  • Tertiary Po Basin
Metamorphism
-
Metamorphic facies
-
Note on metamorphism
-

References

Definition
-
Revision
-
Important publications
-

Material and varia

Applications
-
  • «Grenzposidonienschichten» Show details

    Origin of the Name

    Massenhafte kleine Posidonia, insb. Posidonomya bronni Voltz

    Rank
    lithostratigraphic Formation
    Status
    incorrect name (though informally used)
    Valid name
    In Short
    Horizont, der massenhaft «winzige Mikroposidonien» und spärlich gestreifte Posidonien führt.
    Age
    latest Toarcian - latest Toarcian
    Thickness
    16 cm an der Alpe Turati (Erba et al. 2019)
    Geographical extent
    Lokale Bildung in der Breggia-Schlucht (TI).
    Type area
    -
    Comment
    -