Frauenkirch-Augengneis

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Representation and status

Color CMYK
(0%,31%,29%,4%)
Color RGB
R: 245 G: 170 B: 175
Rank
lithostratigraphic unit
Validity
Unit is in Use
Status
local name (informal)
Status discussion

Nomenclature

Deutsch
Frauenkirch-Augengneis
Français
Gneiss oeillé de Frauenkirch
English
Frauenkirch Augengneiss
Origin of the Name

Frauenkirch (GR), SW Davos

Historical Variants
aplitisch-pegmatitische Gneise (Typ Frauenkirch) (Streckeisen 1986), muscovite-bearing granite-gneisses type "Frauenkirch" (Hellermann Furrer 1992), Frauenkirch-type augengneiss (Maggetti & Flisch 1993), Frauenkirch-Augengneis (Meyer 2017)

Age

Age at top
  • Ordovician
Age at base
  • Ordovician
Dating Method
Ca. 365 Ma (Rtot-Isochron) als Intrusionsalter (Grauert 1967) oder variszische Rejuvenation/Rekristallisation (Flisch 1987).

References

Definition
Streckeisen A., Grauert B. Peters Tj. (1966) : Bericht über die Exkursion der SMPG ins Silvretta-Kristallin un in den Totalp-Serpentin. Schweiz. mineral. petrogr. Mitt. 46/2, 704-722
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