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Zona dell'Isorno
- Origin of the Name
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Bassa Valle dell'Isorno (Italia), Crevadossola [non: Fiume Isorno (TI), Valle Onsernone]
- Rank
- tectonic zone
- Status
- local name (informal)
- In short
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The Isorno Zone (Western Lepontic) corresponds to the Bosco and Bombogno zones in the southern part of the eastern (upper) limb of the large polyphase Alpe Bosa-Wandfluhhorn Fold (located between the Maggia and Antigorio valleys), where these two zones cannot be distinguished. It consists of a very heterogeneous series of para- and orthogneisses, amphibolites, meta-gabbros, ultramafites, calc-schists and marbles that underwent an Oligocene amphibolite facies metamorphism.
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Peridotite della Cima d'Agaro
- Origin of the Name
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Cima d'Agaro (Italia), Valle dell'Isorno
- Rank
- lithostratigraphic unit
- Status
- local name (informal)
- In short
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Corps ultramafique de la Zone de l'Isorno, resp. de la Zone du Bombogno.