Abstract
The same Cenomanian (96.91 ± 0.88 and 96.5 ± 1.2 Ma) age of amphibole granodiorites of the magnetite and ilmenite series in the southern part of the Priiskovy massif has been established. Among the relatively homogeneous central ilmenite zone of the Sikhote-Alin orogenic belt, the local occurrence of magnetite rocks of the Priiskovy massif explains the distribution of deposits and ore occurrences of the studied site. All deposits and ore occurrences of tin within the boundaries of the Priiskovy massif are located in the zone of distribution of rocks of the ilmenite series (reducing conditions), and deposits and placers of gold and manifestations of polymetallic mineralization are located in the zone of rocks of the magnetite series (oxidizing conditions)
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