ISSN 1075-7015, Geology of Ore Deposits, 2016, Vol. 58, No. 5, pp. 361–382. © Pleiades Publishing, Ltd...Mestorozhdenii, 2016, Vol. 58, No. 5, pp. 405–429. Oka Ore District of the Eastern Sayan: Geology, Structural–Metallogenic...Structural–Metallogenic Zonation, Genetic Types of Ore Deposits, Their Geodynamic Formation Conditions, and Outlook...Sciences, Ulan-Ude, 670047 Russia b Riphean ООО, Ulan-Ude, 670047 Russia *e-mail: gord@pres.bscnet.ru...earlier works, it is established that the Oka ore district formed mainly in the Neoproterozoic–Early Paleozoic |