Formation de Grandson

Representation and status

Index
qG
Color CMYK
(11%,0%,16%,14%)
Color RGB
R: 195 G: 220 B: 185
Rank
lithostratigraphic Formation
Validity
Unit is in Use
Status
informal term
Status discussion

Nomenclature

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

Grandson (VD)

Historical Variants
charbons feuilletés ou lignites (Portmann 1974), Lignites de Grandson (Arn 1984), Lignites et sédiments fins lacustres de Grandson (Arn 1992), Formation de Grandson = Sédiments lacustres interglaciaires (Rigassi et al. 2006)

Components

Fossil Content
  • mammals
Cerf, élan, castor, bison, sanglier, cheval (Weidmann 1974, Arn 1992).

Hierarchy and sequence

Units at roof

Age

Age at top
  • Middle Pleistocene
Age at base
  • Middle Pleistocene
Dating Method
> 35'000 BP (Arn 1984)

Palaenography and tectonic

  • Hochterrasse
Kind of protolith
  • sedimentary
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