Zona dell'Isorno

Torna a Zona dell'Isorno

Rappresentazione e statuto

Colore CMYK
N/A
Colore RGB
R: 241 G: 239 B: 237
Rango
zona tettonica
Uso
Unità in uso.
Status
termine locale (informale)

Nomenclatura

Deutsch
Isorno-Zone
Français
Zone de l'Isorno
Italiano
Zona dell'Isorno
English
Isorno Zone
Origine del nome

Bassa Valle dell'Isorno (Italia), Crevadossola [non: Fiume Isorno (TI), Valle Onsernone]

Varianti storiche

Isorno-Mulde (Bearth 1956), Isorno-Serie (Wieland 1966), Isorno zone (Steck et al. 2013)

Descrizione

Descrizione

very heterogeneous zone of para- and orthogneisses, amphibolites, meta-gabbros, ultramafites, calc-schists and marbles (Steck et al. 2013)

Potenza
800-1000 m (Wieland 1966)

Gerarchia e successione

Limite superiore

Lago-Gelato-Zone bzw. Pioda-di-Crana-Einheit

Limite inferiore

Monte-Leone-Decke

Geografia

Estensione geografica
Bosco, Alpe Agarina, Masera.

Referenze

Revisione
Steck Albrecht, Della Torre F., Keller Franz, Pfeifer Hans-Rudolf, Hunziker Johannes, Masson Henri (2013) : Tectonics of the Lepontine Alps : ductile thrusting and folding in the deepest tetonic levels of the Central Alps. Swiss Journal of Geosciences, 106/3, 427-450

p.433: The very heterogeneous zone of para- and orthogneisses, amphibolites, meta-gabbros, ultramafites, calcschists and marbles of the Bombogno unit continue to the south into the similar Isorno zone. Wieland (1966) observed the continuity between the Isorno and Orselina zones across the Masera syncline, an observation that has been confirmed by Bigioggero et al. (1981a, b) and Steck (2008).

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