Mélanges
Deutsch: Infra-Niesen-Melange
Français: Mélange Infra-Niesen
Italiano: Mélange Infra-Niesen
English: Infra-Niesen Mélange
The Infra-Niesen Mélange, forming the base of the Niesen Nappe, is composed of slivers of pre-flysch series within a mainly gypsum-anhydrite and rarely “wildflysch” matrix. These slivers consist of rare gneiss, Triassic to Late Jurassic sedimentary rocks as well as Niesen Flysch.
Subniesenzone (Zingg 1983 und 1984), zone infra-Niesen = mélange infra-Niesen (Escher et al. 1987), Infra-Niesen-Formation, Formation de l'Infra-Nisen, mélange infr-Niesen = Sub-Niesen mélanges (Jeanbourquin 1991), série détritique anté-flysch = écailles Infra-Niesen (Ackermann et al. 1991)