Membre de Salvan

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Representation and status

Color CMYK
(11%,0%,17%,31%)
Color RGB
R: 155 G: 175 B: 145
Rank
lithostratigraphic Member (Subformation)
Validity
Unit is in Use
Status discussion

Nomenclature

Deutsch
Salvan-Member
Français
Membre de Salvan
Italiano
Membro di Salvan
English
Salvan Member
Origin of the Name

Carrière de Salvan (VS)

Historical Variants
Carbonifère (Sublet 1962), Grès de Salvan, Stéphanien inférieur: Série lacustre détritique, Unit II (Niklaus & Wetzel 1996, Capuzzo & Wetzel 2003, Capuzzo et al. 2003)

Hierarchy and sequence

Superordinate unit
Subordinate units

Age

Age at top
  • Early Permian
Age at base
  • Late Carboniferous (= Pennsylvanian)

Palaenography and tectonic

Tectonic unit (resp. main category)
Kind of protolith
  • sedimentary
Conditions of formation
Deposition in an intramountain setting affected by active faulting and probably rapid uplift in the catchment areas. Mass flows and debris flows dominate the proximal areas of the alluvial fan systems close to the footwall slope, whereas the distal parts are characterised by braided distributary channels. (Bussy et al. 2001)
Metamorphism
monocyclic

  • Poudingue de Dorénaz

    Name Origin

    Dorénaz (VS)

     

     

    Rank
    lithostratigraphic Member (Subformation)
    Status
    informal term
    In short
    Poudingue polymicte très grossier (blocs pouvant atteindre 80 cm), généralement de couleur verte, de la base de la Formation de Salvan-Dorénaz.
    Age
    Late Carboniferous (= Pennsylvanian)
    Show details
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