Ghölzwald-Member

Torna a Elvetico centrale

Rappresentazione e statuto

Colore CMYK
(0%,8%,51%,4%)
Colore RGB
R: 245 G: 225 B: 120
Rango
Membro litostratigrafico (Sotto-formazione)
Uso
Unità in uso.
Status
termine formale valido

Nomenclatura

Deutsch
Ghölzwald-Member
Français
Membre du Ghölzwald
Italiano
Membro del Ghölzwald
English
Ghölzwald Member
Origine del nome

Ghölzwald (GL), N Stelli

Varianti storiche
Ghölzwaldschichten (Frey 1965), Ghölzwald Member (Menkveld-Gfeller et al. 2016)

Descrizione

Descrizione
Das Ghölzwald-Member besteht aus einem glimmerreichen, sandigen Kalk und einem kalkigen, glimmerreichen Sandstein.
Potenza
Ein paar Meter (Menkveld-Gfeller et al. 2016).

Età

Geomorfologia
  • Priaboniano

Età alla base
  • Priaboniano

Geografia

Estensione geografica
Zentralschweiz (Linthtal).
Località-tipo

Paleogeografia e tettonica

  • Terziario
Termini generici
Tipo di origine
  • sedimentaria
Metamorfismo
non metamorfo

Referenze

Revisione
Menkveld-Gfeller Ursula, Kempf Oliver, Funk Hanspeter (2016) : Lithostratigraphic units of the Helvetic Palaeogene: review, new definition, new classification. Swiss J. Geosc. 109/2, 171-199

p.188: The Ghölzwald Member was described by Frey (1965; ‘‘Ghölzwald-Schichten’’), the type locality is at Ghölzwald, Stelli (2717.430/1194.250). Lithology: Above the slaty marlstone of the Stad Formation follow few dm- thick beds of micaceous sandy limestone and calcareous, mica-rich sandstone. Occasionally, a weak gradation can be observed. The overall thickness of the sandy part sums up to only a few meters. Overlying strata: tectonic boundary; underlying strata: Stad Formation. Biostratigraphy: Priabonian, Larger foraminifera. Current geographical extent: Central Switzerland: Linth valley. Tectonic unit: Central Switzerland: Lower Helvetic.

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