The volcanic rocks of the Kaban dacite, which is subject study, are located in Olur (Erzurum) region eastern Sakarya zone. This zone divided into four tectonic slices as Hopa-Borçka zone, Artvin Yusufeli Tortum and Erzurum Kars Ophiolite from north to south, east Eastern pontides, investigated within Olur-Tortum These represented by dacites rhyolites study area. Petrographically, it observed fi...