«Schönbühl-Quarzit»

Zurück zu Glarner Deckenkomplex

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
Letsch Dominik, Winkler Wilfried, von Quadt Albrecht, Gallhofer Daniela (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.

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