my family (my wife Fatma, me and our son Alaz)

Middle East Technical University

Central Laboratory

R&D Training and Measurement Center

Radiogenic Isotope Laboratory

e-mail: skoksal@metu.edu.tr

  Research interests

  - Geochronology, isotope geochemistry, mineralogy, granitoids, zircon (typology, chemistry).  

  links: zircon "the key mineral"

             METU Central Laboratory / TIMS

Education

PhD, 2005. Middle East Technical University,  Graduate School of Natural and Applied Sciences, Department of Geological Engineering-Ph.D. Program of Mineralogy and Petrography (10 months studentship in the Potsdam University, and research study in GFZ-Potsdam -Germany in 2002-2003) 

Thesis Title: Zircon Typology and Chemistry of the Granitoids from Central Anatolia, Turkey 

MS, 1996. Middle East Technical University,  Graduate School of Natural and Applied Sciences, Department of Geological Engineering-Ph.D. Program of Mineralogy and Petrography

Thesis Title: Geological and Petrological Characteristics of The Idis Dagi Avanos Area, Nevsehir-Central Anatolia

BS, 1992. Middle East Technical University, Department of Geological Engineering

Publications

SCI papers

 Köksal, S., Toksoy-Köksal, F., Göncüoglu, M. C., Möller, A., Gerdes, A. and Frei, D. (submitted to Journal of Geodynamics). Crustal source of the Late Cretaceous Satansari monzonite (central Anatolia/Turkey) and its significance for the Alpine geodynamic evolution.

 Köksal, S., Möller, A., Göncüoglu, M. C., Frei, D. and Gerdes, A., 2012 (in press). Crustal homogenization revealed by U-Pb zircon ages and Hf isotope evidence from the Late Cretaceous granitoids of the Agaçören intrusive suite (Central Anatolia/Turkey). Contributions to Mineralogy and Petrology. doi: 10.1007/s00410-011-0696-2.(article link).  

 Köksal, S., Göncüoglu, M. C., Toksoy-Köksal, F., Möller, A. and Kemnitz, H., 2008. Zircon typologies and internal  structures as petrogenetic indicators in contrasting granitoid types from central Anatolia. Mineralogy and Petrology v: 93, p. 185-211 (article link) (SCI Times cited: 3).

  Köksal, S., Romer, R. L., Göncüoglu, M. C., and Toksoy-Köksal, F., 2004. Timing of post-collisional H-type to A-type granitic magmatism: U-Pb titanite ages from Alpine central Anatolian Granitoids (Turkey). Int J Earth Sci, v: 93, p. 974-989 (article pdf) (SCI Times cited: 40).  

SCI-expanded papers

  Aysal, N., Ustaömer, T., Öngen, S., Keskin, M., Köksal, S., Peytcheva, I. and Fanning, M., 2012. Origin of the Early-Midlle Devonian Magmatism in the Sakarya Zone, NW Turkey: Geochronology, geochemistry and isotope systematics. Journal of Asian Earth Sciences, v: 45, p. 201-222. doi: 10.1016/j.jseaes.2011.10.011.

  Göncüoglu, M. C., Gürsu, S., Tekin, U.K., Köksal, S., 2008. New data on the evolution of the Neotethyan oceanic branches in Turkey: Late Jurassic Ridge Spreading in the Intra-Pontide branch. Ofioliti, v: 33 (2), p. 153-164 (SCI Times cited: 1).  

  Köksal, S., and Göncüoglu, M. C., 2008. Sr and Nd isotopic characteristics of some S-, I, and A-type granitoids from Central Anatolia. Turkish Journal of Earth Sciences, v: 17, p. 111-127 (article link) (SCI Times cited: 8). 

  Köksal, S., Göncüoglu, M.C. and Floyd, P. A., 2001. Extrusive members of postcollisional A-type magmatism in Central Anatolia: Karahidir Volcanics, Idis Dagi-Avanos Area, Turkey. International Geology Review, v: 43, p. 683-694 (article pdf) (SCI Times cited: 17).

Other papers

  Göncüoglu, M.C., Köksal, S. and Floyd, P. A., 1997, Post-collisional A-Type magmatism in the Central Anatolian Crystalline Complex: petrology of the Idis Dagi intrusives (Avanos, Turkey). Turkish Journal of Earth Sciences, v: 6, no.2, p. 65-76 (abstract pdf) (SCI Times cited: 14).

 Köksal, S. and Göncüoglu, M.C., 1997, Geology of the Idis Dagi-Avanos area (Nevsehir-Central Anatolia). Mineral Res. Explor. Bull., v: 119, p. 41-58 (article pdf) (SCI Times cited: 2).

SCI abstracts

  Toksoy-Köksal, F., Gerdes, A., Göncüoglu, M.C., Möller, A., Frei, D. and Köksal, S., 2009. U-Pb age and isotope data from the S- and I-type syn-collisional granites in Ekecikdag area, central Anatolia. Geochimica et Cosmochmica Acta, 73 (13), A1335-A1335 Supplement Suppl. S, Goldschmidt Conference Abstracts 2009.

  Köksal, S., Möller, A. Frei, D., Göncüoglu, M. C., Toksoy-Köksal, F., 2007.Petrological Characteristics and LA-SF-ICP-MS U-Pb ages of S-type Granitoids from Central Turkey. Geochimica et Cosmochmica Acta, 71 (15), A505-A505 Supplement 1, Goldschmidt Conference Abstracts 2007 (abstract pdf) (SCI Times cited: 1).  

Other abstracts

  Aysal, N., Ustaömer, T., Öngen, S., Keskin, M., Köksal, S., Peytcheva, I., Fanning, M., 2011. Origin of the lower-middle Devonian magmatism in the Sakarya zone, NW Turkey: geochronology, geochemistry and isotope systematic. 64. Geological Congress of Turkey, MTA, Ankara.

   Göncüoglu, M.C., Köksal, S., Frei, D., Toksoy-Köksal, F., Möller, A. and Gerdes, A., 2010. Sr, Nd and Hf isotopic signatures and LA-SF-ICP-MS U-Pb zircon ages from the Satansarı Granitoid (Aksaray), Central Anatolian Crystalline Complex. 63rd Geological Congress of Turkey, MTA-Ankara.

   Köksal, S., Möller, A., Göncüoglu, M.C., Frei, D., Gerdes, A. and Toksoy-Köksal, F., 2009. Homogenization of the central anatolian crust in the Late Cretaceous: zircon U-Pb ages and Lu-Hf isotop data from the granitoids of the western margin of the Central Anatolian Crystalline Complex (Turkey). 62nd Geological Kurultai of Turkey, 13-17 April 2009. MTA-Ankara, p. 601.

  Toksoy-Köksal, F., Köksal, S., Göncüoğlu, M.C., and Romer. R.L., 2008.  An Approach to the Central Anatolian (Avanos) Late Mesozoic Magmatism: Petrology of Cogenetic Granitic and Volcanic Rocks. 61st Geological Congress of Turkey, Ankara, Abstr,  p. 247-248.  

  Köksal, S., Göncüoğlu, M.C., and Tokmakkaya, P., 2008. A New Laboratory for Investigation on Isotope Geochemistry in Turkey. 61st Geological Congress of Turkey, Ankara, Abstr,  p. 116-119.  

  Köksal, S., Gürsu, S., Göncüoglu, M. C. and Toksoy-Köksal, F., 2007. Comparion of Zircon/Apatite Geothermometry Methods and Zircon Typology Data of the Central Anatolian Granitoids. 60th Geological Congress of Turkey, Ankara, Abstr,  p. 250-255 (abstract pdf).

  Köksal, S., Toksoy-Köksal, F. ve Göncüoglu, M. C., 2006. Zircon Growth in Distinct Granitoid Types: Examples from Central Anatolian Granitoids. 59th Geological Congress of Turkey, Ankara, Abstr,  p. 271-272 (in Turkish) (abstract pdf) (SCI Times cited: 1).  

  Köksal, S., Toksoy-Köksal, F., Göncüoglu, M.C. and Möller, A., 2005. Tracing magmatic history from zircons of the S- and H-type granitoids in the Ekecikdag Intrusive Suite (Central Anatolia-Turkey). International Earth Sciences Colloquium on the Aegean Region, IESCA-2005, Izmir-Turkey, Program and Abstracts, p. 71-72 (abstract pdf). 

  Köksal, S., Toksoy-Köksal, F., and Göncüoglu, M. C., 2004. An example to coeval H- and A-type granitoids: Comparison of the Baranadag and Çamsari granitoids (Kaman, Kirsehir) based on zircon typology method and geochemical studies. I. National Geochemistry Symposium, TUBITAK-BUTAL, Bursa-Turkey, Abstr, p. 40 (in Turkish) (abstract pdf).

  Köksal, S., Göncüoglu, M.C. and Toksoy-Köksal, F., 2001, The geological and petrographical characteristics of the magmatic rocks and their contact zones in the Hacimahmutusagi (Ortaköy-Aksaray) area, Central Anatolian Crystalline Complex, Turkey. Fourth International Turkish Geology Symposium, Work in Progress on the Geology of Turkey and Its Surroundings, Abstr, p. 216, Çukurova University, Adana-Turkey.

 Köksal, S., Göncüoglu, M.C. and Floyd, P. A., 1998, Petrology of volcanic rocks and their genetic relationship with post-collisional A-type syenitoids and in the Central Anatolian Crystalline Complex, Turkey. Third International Turkish Geology Symposium, Work in Progress on the Geology of Turkey and Its Surroundings, Abstr, p.165, M.E.T.U., Ankara-Turkey.

 Göncüoglu, M.C., Köksal, S. and Floyd, P.A., 1995. Post-collisional magmatism in the Central Anatolian Crystalline Complex: Geochemical features of Idisdağı alkaline intrusives (Avanos, Central Anatolia) as a case study. International Earth Sciences Colloquium on the Aegean Region, IESCA-1995, İzmir-Güllük, Turkey, 9-14 October 1995, Program and Abstr, p. 21.  

Thesis

  Köksal, S., 2005, Zircon typology and chemistry of the granitoids from central Anatolia, Turkey. M.E.T.U., PhD Thesis, 314 p. (Unpublished).  

  Köksal, S., 1996, The geological and petrological characteristics of the Idis Dagi-Avanos Area (Nevsehir -Central Anatolia). M.E.T.U., M Sc Thesis, 141 p. (Unpublished).

 Köksal, S., 1992, Geology and Petrography of Hacimahmutusagi Region (Ortaköy-Aksaray). M.E.T.U., B Sc Thesis, 54 p. (Unpublished).  

Projects

Reports of the completed projects  

  Toksoy-Köksal, F., Köksal, S. and Goncuoglu, M.C., 2008. An investigation of the age, petrogenesis and geodynamic conditions of the Ekecikdag Igneous Association (central Anatolia ) granitoids by using zircon geochronology and mineral chemistry studies. Project of Scientific and Technical Research Council of Turkey, no: 106Y066 (in Turkish).

  Goncuoglu, M.C., Köksal, S. and Toksoy-Köksal, F.,  2004. Application of Granite Petrogenesis Investigation by Zircon Typology Method on Central Anatolian Granitoids. Project of Scientific and Technical Research Council of Turkey, no: 101Y051 (in Turkish).    

  Goncuoglu, M.C., Toksoy-Köksal, F., Köksal, S., 2001. Mineralogy and mineral chemistry of the ultramafic, mafic and granitic rocks in the Central Anatolian Crystalline Complex. Middle East Technical University AFP Project no: AFP 99.03.09.01 (in Turkish).  

  Goncuoglu, M. C., Erler, A., Toprak, V., Olgun, E., Yaliniz, K., Kuscu, I., Köksal, S., and Dirik, K., 1993. Geology of the central part of the Central Anatolian Crystalline Complex: part III geological evolution of the Tertiary Basin of the Central Kizilirmak: Unpubl. Report No: 3313, Turkish Petroleum Company, (in Turkish).

Honors and fellowships

2006 Altin Çekiç Research Awardee of (Turkish Chamber of Geological Engineers )

2006 TUBITAK-Deutsche Forschungs Gemeinschaft (DFG-Germany) Scientific Exchange Fellowship

Professional employment

Middle East Technical University, 2004-recent 

Turkish Ministry of Energy and Natural Resources, 1997-2004

General Directorate of Bank of Provinces (Iller Bankasi), 1995-1997

Turkish Ministry of Energy and Natural Resources, 1993-1995