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. A lot of gold deposits were found on our planet. Over the last 30 – 35 years the large high-grade gold deposits of the world are discovered in the geological formations of the different types such as greenstone, black-shale ones, etc. Of particular interest is the greenstone [Глевасский, 1996] Sorokinskaya grabensyncline structure mapped within the Western Azov geoblock Ukrainian shield (Ush). Within its boundaries, and in close proximity to each other (no more that 1 km) explored two industrial fields – Surozhsky gold and rare metal “Balka Kruta” [Кравченко, 1999; Лисенко та ін., 2005; Розанов, Лавриненко, 1979; Чорнокур, Яськевич, 2010; Шаталов и др., 1982; Шаталов, 1986]. Both deposits are located in rather picturesque place – in the valley Byrd, near Berdyansk reservoir, 30-31 km north of the city of Berdyansk. Deposits of Sourozh and “Balka Kruta” tectonically confined to the eponymous structural and ore sites in the central part of the Precabrian graben-synclinal structure. It is important to note that the unique field “Balka Kruta” – a vivid example of complex rare metal objects. Besides beryllium the industrial contents of tantalum, lithium, and cesium have been found here [Розанов, Лавриненко, 1979; Чорнокур, Яськевич, 2010].

TECTONICS OF THE ORE DEPOSITS AND SOROKINSKAYA GRABEN-SYNCLINE OF THE NEAR-AZOVIAN MEGABLOCK OF THE UKRAINIAN SHIELD