Silver-white, shiny, medium-soft metal (Fe = ferrum), which is the fourth most common element in the earth's crust with a share of just under 5%. It is very rarely found in the ground in its pure form, but mostly in the bound form of sulphide and oxide iron minerals. These include magnetic ironstone, red ironstone, brown ironstone and spar ironstone. Iron is present in large quantities in many soils. The frequently occurring iron oxides give soils their characteristic reddish colour. Such soil types are known in viticulture as Rotliegendes (Rotliegend) or Terra Rossa. The Australian wine-growing region of Coonawarra is characterised by this type of soil. The single vineyard Scharlachberg in the German wine-growing region of Rheinhessen was also given its name due to its scarlet red colour.
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Thorsten Rahn
Restaurantleiter, Sommelier, Weindozent und Autor; Dresden