Mineralogical and geochemical features of bismuth in Proterozoic ore-bearing structures of west part of the Ingul megablok (Ukrainian shield) - S. M. Bondarenko; V. O. Somka; L. M. Stepaniuk; O. V. Hrinchenko; B. N. Ivanov; V. M. Belskyi (Geochemistry and ore formation, 2019)