Kekelia S, Kekelia M, Popkhadze N, Gagnidze N. THE VOLCANOGENIC DEPOSITS OF NON-FERROUS METALS OF PALEOISLAND ARC ENVIRONMENT ASSOCIATED WITH WALL ROCK ALTERATIONS OF HOST ROCKS AND PROBLEMS OF ORE GENESIS (on the example of ore districts in Georgia, Armenia and Turkey). Вісник: Геологія. 2025;4(79):46-52. doi:10.17721/17282713.79.07