Hohentwiel-Phonolith

Back to Hegau province

Representation and status

Color CMYK
(0%,0%,0%,100%)
Color RGB
R: 70 G: 175 B: 130
Rank
lithostratigraphic Formation
Validity
Unit is in Use
Status
informal term
Status discussion

Nomenclature

Deutsch
Hohentwiel-Phonolith
Français
Phonolite du Hohentwiel
Italiano
Fonolite del Hohentwiel
English
Hohentwiel Phonolite
Origin of the Name

HohentwieI (Deutschland); siehe auch wikipedia

Historical Variants

Phonolithe des HohentwieI (Heim 1919), , Hohentwieler Phonolith, Hegau-Phonolith

Age

Age at top
  • Tortonian
Age at base
  • Tortonian
Dating Method

9 Ma

Geography

Geographical extent
Östlicher Hegauer Kegelbergland: Mägdeberg, Hohenkrähen, Staufen und Hohentwiel.

Palaenography and tectonic

  • Upper Freshwater Molasse
Tectonic unit (resp. main category)
Kind of protolith
  • volcanic
Back to top