Boztug, D., Wagner, G. A., Ercin, A.I., Göc, D.,Yegingil, Z., Iskenderoglu, A., Kurucelik, M.K., Kömür, I., and Güngör,Y., 2002. Sphene and zircon fission-track geochronology unravelling subduction- and collision-related magma surges in the composite Kackar batholith, Eastern Black Sea region, Turkey (1. International Symposium of the Facülty of Mines ITU on Earth Sciences and Engineering, 16-18 may 2002, İstanbul- Turkey) SS-E Petrogenesis of Granitoid Rocks, p., 121