Formazione di Morbio

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Representation and status

Index
l5-6
Color CMYK
20 / 25 / 0 / 0
Color RGB
R: 200 G: 185 B: 220
Rank
lithostratigraphic Formation
Validity
Unit is in Use
Status
valid formal name

Nomenclature

Deutsch
Morbio-Formation
Français
Formation de Morbio
Italiano
Formazione di Morbio
English
Morbio Formation
Origin of the Name

Morbio Inferiore/Superiore (TI), nelle Gole della Breggia

Historical Variants

rosso marnoso auct., Orizzonte Domeriano (Bonarelli 1894), Ammonitico rosso p.p. (Frauenfelder 1916), Schicht 2o (Renz 1920), Domérien p.p. = Domérienmergelkalke = Domérienkalk (Senn 1924, Vonderschmitt 1940), Domérien = Domeriano (Vonderschmitt 1941), Cephalopodenkalke des Domérien (Bernoulli 1964), Morbio-Subformation (Wiedenmayer 1980 S.20), Calcari a cefalopodi = formazione di Morbio (Oppizzi & Spinedi 2007), Calcare di Morbio (Stockar 2003), Morbio Formation (Gaetani & Erba 1990, Erba et al. 2019)

Description

Description

Zuoberst geht die Formazione di Moltrasio allmählich in hellgraue, gelblichen oder bläulichen Hornstein führende, glimmerreiche Kalke mit pyritisierten (resp. limonitisierten) Ammoniten des Pliensbachien (unteres Pliensbachien/Carixien) und des Domerien (oberes Pliensbachien) über (Renz 1920, Venzo 1952).

Thickness
Ca. 30 m (Senn 1924)

Components

Fossil Content
  • ammonites

Hierarchy and sequence

Units at roof
Units at floor

Age

Age at top
  • earliest Toarcian
Note about top

Tenuicostatum-Z.

Age at base
  • late Pliensbachian (= Domerian)
Note about base

Domerian (Early), Stokesi-Sz.

Geography

Geographical extent
Bacino del Nudo, Soglia di Lugano, Bacino del Monte Generoso.

Palaenography and tectonic

  • Liassic
Paleogeography
Lombardy Basin
Tectonic unit (resp. main category)
Kind of protolith
  • sedimentary
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