Term for a reddish-colored rock that originated in the Rotliegend geological period. The striking red color is caused by finely divided hematite flakes (red iron stone) and refers to the deposits in the hot climate, Rotliegendes is an old miner's expression. The floor is made of lime-rich clay, silt and sandstones. He has only a limited one Water storage capacity, but has good ventilation. It is difficult to root the deeper rock. The term is particularly common in the German growing areas palatinate and Rheinhessen and also Near common for the vineyard soils found there. These come in the form of red slate, especially in the "red slope" within the als Rhine front designated area. Another ferrous soil type is called Terra Rossa designated.