The Mua mine is a large

iron Iron () is a chemical element with symbol Fe (from la, ferrum) and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table. It is, by mass, the most common element on Earth, right in f ...

mine located in central

Portugal Portugal, officially the Portuguese Republic ( pt, República Portuguesa, links=yes ), is a country whose mainland is located on the Iberian Peninsula of Southwestern Europe, and whose territory also includes the Atlantic archipelagos of ...

in the

Bragança District Bragança District ( pt, Distrito de Bragança ; mwl, Çtrito de Bergáncia) is a traditional political division of Portugal, in the northeast corner bordering on Spain (Castile and Leon and Galicia), covering 7.4% of the nation's continental l ...

. Mua represents one of the largest

iron ore Iron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in color from dark grey, bright yellow, or deep purple to rusty red. The iron is usually found in the fo ...

reserves in

and in the world having estimated reserves of 2.56 billion tonnes of ore grading 37% iron metal.

References

{{DEFAULTSORT:Mua Mine Iron mines in Portugal Buildings and structures in Bragança District