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Ferrera Valley, Hinterrhein Valley, Grischun (Grisons; Graubünden), Switzerland

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Other regions containing this locality:The Alps, Europe
Neighbouring regions:
Locality type:Valley
Name(s) in local language(s):Val Ferrera (Ferreratal), Hinterrheintal, Graubünden (Grisons; Grischun; Grigioni), Schweiz (Suisse; Svizzera)


Ferrera Valley is a 10-km-long valley, between Schams and Avers, drained by the Avers Rhine (Averser Rhein or Averserrhein in German, Ragn da Ferrera in Romansh), the major southern affluent of the Hinterrhein (Posterior Rhine). The municipality of Ferrera coincides with the valley. It was formed on 1 January 2008 through the merger of the former municipalities of Ausserferrera (Farera in Romansh) and Innerferrea (Calantgil in Romansh).

Some metamorphosed Fe-Mn deposits are located in the valley, which name is due to its iron ore, mined in the Early Modern period. Iron smelters were erected near the villages of Ausserferrera and Innerfererra, and two roasting furnaces at Alp Sut Fuina. The "Schmelzra" (smelter) at the entrance of the valley, ca. 1.4 km from Ausserferrera, is now a cultural heritage site of the Canton of Graubünden.



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77 valid minerals. 7 (TL) - type locality of valid minerals.

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Switzerland

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

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- Brugger, J. and Gieré, R. (1999) As, Sb, and Ce enrichment in minerals from a metamorphosed Fe-Mn deposit (Val Ferrera, Eastern Swiss Alps). Canadian Mineralogist: 37: 37-52.
- Brugger, J. and Gieré, R. (2000) Origin and distribution of some trace elements in metamorphosed Fe-Mn deposits, Val Ferrera, Eastern Swiss Alps. Canadian Mineralogist: 38: 1075-1101.

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