(Year: 1985, Number: 12)

• Abdürrahim Şahbaz, Mümin Köksoy. "Stratigraphic and tectonic study of the Paleogene sedimantary sequence of the Paşadağ (N of Tuzgölü)", 1-19.
• Cemal Tunoğlu, Nuran Gökçen. "A new ostracode fauna from the Upper Miocene sequence of İncipınarı-Kurtkuyusu (West of Sinop)", 19-39.
• Hüseyin Yalçın, Bruno Semelin, M. Niyazi Gündoğdu. "Geological investigation of Emet lacustrine basin of Neogene age (South of Hisarcık)", 39-53.
• M.Nuri Terzioğlu. "Petrology and the Genetic implication of Upper Miocene Kuyucak basalt, west of Mesudiye (Ordu, Nourthen Turkey)", 53-69
• Kemal Gürbüz, Sungu L. Gökçen. "Sedimentary geological examinations of the Karaömerli- Akkuyu -Balcalı Neogene sequence (Northern Adana- Turkey)", 69-81
• Mesut Anıl, Servet Yaman. "Fluid inclusion on the Arapucandere (Yenice- Çanakkale) Pb – Zn mineralisations", 81-93
• Orhan Cerit. "Geological investigation of Mengen (Bolu) region II: Tectonic and geological evolution", 93-100