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Concept
Elba
Summary
Elba (isola d'Elba, ˈiːzola ˈdelba; Ilva) is a Mediterranean island in Tuscany, Italy, from the coastal town of Piombino on the Italian mainland, and the largest island of the Tuscan Archipelago. It is also part of the Arcipelago Toscano National Park, and the third largest island in Italy, after Sicily and Sardinia. It is located in the Tyrrhenian Sea about east of the French island of Corsica.
The island is part of the province of Livorno and is divided into seven municipalities, with a total population of about 30,000 inhabitants which increases considerably during the summer. The municipalities are Portoferraio (which is also the island's principal town), Campo nell'Elba, Capoliveri, Marciana, Marciana Marina, Porto Azzurro, and Rio.
Elba was the site of Napoleon's first exile, from 1814 to 1815.
Elba is the largest remaining stretch of land from the ancient tract that once connected the Italian peninsula to Corsica. The northern coast faces the Ligurian Sea, the eastern coast the Piombino Channel, the southern coast the Tyrrhenian Sea, and the Corsica Channel divides the western tip of the island from neighbouring Corsica.
The island itself is made up of slices of rocks which once formed part of the ancient Tethyan seafloor. These rocks have been through at least two orogenies, the Alpine orogeny and the Apennine orogeny. The second of these two events was associated with subduction of the Tethyan oceanic crust underneath Italy and the obduction of parts of the ancient seafloor onto the continents. Later extension within the stretched inner part of the Apennine mountains caused adiabatic melting and the intrusion of the Mount Capanne and the La Serra-Porto Azzuro granitoids. These igneous bodies brought with them skarn fluids which dissolved and replaced some of the carbonate units, precipitating iron-rich minerals in their place. One of the iron-rich minerals, ilvaite, was first identified on the island and takes its name from the Latin word for Elba.
Official source
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