«Schönbühl-Quarzit»
Darstellung und Status
- Farbe CMYK
- (0%,0%,0%,100%)
- Rang
- lithostratigraphisches Member (Subformation)
- Gebrauch
- Element ist in Gebrauch
Nomenklatur
- Deutsch
- «Schönbühl-Quarzit»
- Français
- «Quartzite de Schönbühl»
- Italiano
- «Quarziti di Schönbühl»
- English
- «Schönbühl Quartzite»
- Herkunft des Namens
-
Schönbühl = Schönbüel (GL), Plateau zwischen Spitzmeilen und Rotgandwand
- Historische Varianten
-
Grenzquarzit, Schönbüel-Quarzit, Schönbüel quartzites (Letsch et al. 2015), Schönbühl-Quarzit (Löpfe et al. 2018)
Alter
- Alter Top
-
- Guadalupien (= Mittleres Perm)
- Alter Basis
-
- Guadalupien (= Mittleres Perm)
- Datierungsmethode
-
Ca. 268 Ma (Letsch et al. 2014)
Referenzen
- Neubearbeitung
-
(2015) :
The volcano-sedimentary evolution of a post-variscan intramontane basin in the Swiss Alps (Glarus Verrucano) as revealed by zircon U-Pb age dating and Hf isotope geochemistry. International Journal of Earth Sciences (Geologische Rundschau) 104, 123–145
... three very prominent, reddish-white, feldspar- and quartz-rich layers, each between 0.5 m and 4 m thick which were identified by Ryf (1965) as partly reworked rhyolitic tuff layers.