«Dolomitische Einheit» (der Camosci-Decke)

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Representation and status

Color RGB
R: 250 G: 180 B: 90
Rank
lithostratigraphic Formation
Validity
Unit is in Use
Status
incorrect name (though informally used)

Nomenclature

Deutsch
«Dolomitische Einheit» (der Camosci-Decke)
Français
«Unité dolomitique» (de la nappe de Camosci)
Italiano
«Unità dolomitica» (della falda di Camosci)
English
«Dolomitic unit» (of the Camosci nappe)
Historical Variants

Dolomitic unit = Triassic (Carrupt 2003)

Description

Thickness
1-100 m (Carrupt 2003)

Hierarchy and sequence

Upper boundary

passage graduel ou tranché à l'"unité calcaire"

Lower boundary

chevauchement

Age

Age at top
  • Triassic
Age at base
  • Triassic
Dating Method

Analogies de faciès : Formations des Arandellys (Norien) et des Besoëns (Rhétien) (Carrupt 2003).

Palaenography and tectonic

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

References

Definition
Carrupt Elisabeth (2003) : New stratigraphic, structural and geochemical data from the Val Formazza - Binntal area (Central Alps). Mémoires de Géologie (Lausanne) 41, 103 p.

p.17: Dolomitic unit: a dolomitic marble that may contain a few phyllosilicates (up to 10%) outcrops above the basal discontinuous cornieule. The dolomitic marble is locally mineralised (sulphides). Up sequence the proportion of detrital quartz increases to reach 10%. This succession either continues with the progressive interfingering of a lustrous black micaschist or is capped by a quartzitic to arkosic metasandstone, which is locally conglomeratic. The latter is light yellowish and can locally record (e.g. in the "ghiacciao dei Camosci" area) as much as three superposed schistosities (Fig.3.1A). Its thickness varies from ~1m to ~100m, mainly due to alpine folding.

  • «sandige Trias» der Camosci-Decke

    Rank
    chronostratigraphic Subperiod
    Status
    local name (informal)
    In short

    Metasandstein.

  • «karbonatische Trias» der Camosci-Decke

    Rank
    petrographic facies
    Status
    informal term
    In short

    Rauwacke und dolomitischer Marmor.

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