FIG. 1. — A in Mammal bearing late Miocene tuffs of the Akkaşdağı region; distribution, age, petrographical and geochemical characteristics

FIG. 1. — A, location map and major structural features of Turkey with location of Oligocene to Quarternary volcanism; B, map of the area SW of Çankırı-Çorum Basin (modified from Bilgin et al. 1986). Abbreviations: CAVP, Central Anatolian Volcanic Province; WAVP, West Anatolian Volcanic Province; EAVP, East Anatolian Volcanic Province; GVC, Galatia Volcanic Complex; NAFZ, North Anatolian Fault Zone; EAFZ, East Anatolian Fault Zone; BSZ, Bitlis Suture Zone; EFZ, Ecemis Fault Zone; KEF, Kırıkkale Erbaa Fault.