Calmut-Gneiskomplex

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Representation and status

Index
GM-T
Color CMYK
(0%,24%,30%,2%)
Color RGB
R: 250 G: 190 B: 175
Rank
lithostratigraphic Formation
Validity
Unit is in Use
Status
informal term

Nomenclature

Deutsch
Calmut-Gneiskomplex
Français
Complexe gneissique du Calmut
Italiano
Complesso gneissico del Calmut
English
Calmut Gneiss Complex
Origin of the Name

Gipfel Calmut (GR), Tujetsch

Historical Variants

Injektions- und Mischgneise (Niggli 1944), Calmut Gneiss Complex (Berger et al. 2017), Calmut-Gneiskomplex (Gisler 2018)

Age

Age at top
  • Paleozoic
Age at base
  • Precambrian

Geography

Type area
Oberalppass/Tujetsch (GR)

References

Definition
Berger Alfons, Mercolli Ivan, Herwegh Marco, Gnos Edwin (2017) : Geological Map of the Aar Massif, Tavetsch and Gotthard Nappes. Geological Special Map 1:100'000, Explanatory Notes 129

p.61: The migmatitic Calmut Gneiss Complex (GMT) is equivalent to the “ Injektions- und Mischgneise” of NIGGLI (1944). It consist of a two-mica plagioclase K-feldspar gneiss with strongly heterogeneous microstructures (psephitic, chorismatic) characteristic for migmatites.
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