Voronezh Massif (Russian: Воронежская антеклиза) is tectonic anteclise in the south of the Central Russian Upland with a high occurrence of the Precambrian basement. It lies to the southwest of the town of Voronezh.
Covers the area southwest of the European part of Russia, northeast of Ukraine, Belarus goes to the east. Bounded on the northwest of Orsha depression and Zhlobin saddle, south- west and south of the Pripyat-Donetsk aulacogens, the Caspian Basin to the east and northeast of Moscow syncline . It stretches from the northwest to the southeast for 800 km, the width of 300-400 km .
In the vaults of the basement surface usually occurs at a depth of 40-250 m, sometimes coming to the surface of the earth. North-eastern and eastern slopes gently sloping, south steeper. Stand subordinate structures. Platform cover on the wings consists of sedimentary rocks of the Riphean and Vendian (east), and the Devonian and Permian - Triassic (in the south), Mesozoic and Cenozoic. Voronezh Anteclise formed mainly in the Hercynian period. The Voronezh Anteclise confined to the iron ore of the Kursk Magnetic Anomaly.