Aral I. Okay

 

Scientific Papers

in Chronological Order

 

1. Okay, A.I., 1978. Sodic pyroxenes from metabasites in the eastern Mediterranean.  Contributions to Mineralogy and Petrology, 68, 7-11.

2. Carpenter, M.A. & Okay, A.I., 1978.  Topotactic replacement of augite by omphacite in a blueschist rock from northwest Turkey.  Mineralogical Magazine, 42, 435-438.  

3. Okay, A.I., 1980.  Mineralogy, petrology and phase relations of glaucophane-lawsonite zone blueschists from the Tavşanlı  region, northwest Turkey.  Contributions to Mineralogy and Petrology, 72, 243-255.

4. Okay, A.I., 1980, Lawsonite zone blueschists and a sodic amphibole producing reaction in the Tavşanlı region, northwest Turkey.  Contributions to Mineralogy and Petrology, 75, 179-186.

5. Okay. A.I., 1980, Sodic amphiboles as oxygen fugacity indicators in metamorphism. Journal of Geology, 88, 225-232.

6. Okay, A.I., 1981, Geology and blueschist metamorphism of ophiolites in northwest Anatolia (Tavşanlı-Kütahya) (in Turkish).  Türkiye Jeoloji Kurumu Bülteni, 24, 85-95.

7. Okay, A.I., 1982, Incipient blueschist metamorphism and metasomatism in the Tavşanlı region, northwest Turkey.  Contributions to Mineralogy and Petrology, 79, 361-367.

8a. . Şentürk, K. ve Okay, A.I., 1984, Saros Körfezi doğusunda yüksek basınç metamorfizması.  Maden Tetkik ve Arama Enstitüsü Dergisi, 97/98, 152-155.

8b. Şentürk, K. & Okay, A.I., 1984, Blueschists discovered east of Saros Bay in Thrace.  Bulletin of the Mineral Research  and Exploration Institute of Turkey, 97/98, 72-75.

9. Okay, A.I. & Özgül, N., 1984, HP/LT metamorphism and the structure of the Alanya Massif, Southern Turkey: an allochthonous composite tectonic sheet.  In: The Geological Evolution of the Eastern Mediterranean  (ed. J.E. Dixon & A.H.F. Robertson), Geological Society Special Publication No. 17, 429-439.

10. Okay, A.I., 1984, Distribution and characteristics of the northwest Turkish blueschists.  In: The Geological Evolution of the Eastern Mediterranean (ed. J.E. Dixon & A.H.F. Robertson),  Geological Society Special Publication No. 17, 455-466.

11a. Okay, A.I., 1984, Ağvanis metamorfitleri ve çevre kayalarının jeolojisi.  Maden Tetkik ve Arama Enstitüsü Dergisi, 99/100, 51-71.

11b. Okay, A.I., 1984, The geology of the Ağvanis metamorphic rocks and neighbouring formations.  Bulletin of the Mineral Research and Exploration Institute of Turkey, 99/100, 16-36.

12. Okay, A.I., 1985, Metamorphic belts in northwest Anatolia (in Turkish). In: Ketin Symposium Book, Publication of the Geological Society of Turkey, Ankara, 83-92.

13. Okay, A.I., Arman, M.B. & Göncüoğlu, M.C., 1985, Petrology and phase relations of the kyanite-eclogites from eastern Turkey.  Contributions to Mineralogy and Petrology, 91, 196-204.

14. Okay, A.I., 1986, High pressure/low temperature metamorphic rocks of Turkey.  In: Blueschists and Eclogites  (ed. B.W. Evans and E.H. Brown), Geological Society of America Memoir No. 164, 333-348.

15. Okay, A.I., 1987, The oxygen fugacity stability of deerite: an alternative view. Journal of Metamorphic Geology, 5, 553-555.

16. Okay, A.I., 1989, Alpine-Himalayan blueschists. Annual Reviews of the Earth and Planetary Sciences, 17, 55-87.

17. Okay. A.I., 1989, An exotic eclogite/blueschist slice in a Barrovian-style metamorphic terrain, Alanya Nappes, southern Turkey. Journal of Petrology, 30, 107-132.

18. Okay, A.I., 1989, Tectonic units and sutures in the Pontides, northern Turkey.  In:  Tectonic Evolution of the Tethyan Region (ed. A.M.C. Şengör), NATO Advanced ASI Series, Kluwer Academic Publications, Dordrecht, 109-116.

19a. Okay, A.I., 1989, Denizli'nin güneyinde Menderes Masifi ve Likya Napları'nın jeolojisi.  Maden Tetkik ve Arama Dergisi, 109, 45-58.

19b. Okay, A.I., 1989, Geology of the Menderes Massif and the Lycian nappes south of Denizli, western Taurides.  Bulletin of the Mineral Research and Exploration, 109, 37-51.

20. Okay, A.I., Xu Shutong & A.M.C. Şengör, 1989, Coesite from the Dabie Shan eclogites, central China.  European Journal of Mineralogy, 1, 595-598.

21. Okay, A.I., Şengör, A.M.C. & Xu Shutong, 1989, Metamorphic and tectonic evolution of the Dabie Shan region in central China (in Turkish).  Symposium book for the 35th Anniversary of the İTÜ  Faculty of Mines  (ed. O. Kural & S. Kırıkoğlu), İstanbul Teknik Üniversitesi, İstanbul 158-165.

22. Siyako, M., Bürkan, K.A. & Okay, A.I., 1989, Tertiary geology and hydrocarbon potential of the Biga and Gelibolu peninsulas (in Turkish).  Bulletin of the Turkish Association of Petroleum Geologists, 1, 183-199.

23a.  Okay, A.I., Siyako, M. & Bürkan, K.A., 1991, Geology and tectonic evolution of the Biga Peninsula.  Special Issue on Tectonics (ed. J.F. Dewey), Bulletin of the Technical University of Istanbul, 44, 191-255.

    b.Okay, A.I., Siyako, M. & Bürkan, K.A., 1990,Geology and tectonic evolution of the Biga Peninsula (in Turkish).  Bulletin of the Turkish Association of Petroleum Geologists, 2, 83-121.

24. Xu, S.T., Su, W., Liu, Y., Jiang, L., Ji, S., Okay, A.I. & Şengör, A.M.C., 1991, Diamond in the high-pressure metamorphic rocks in the eastern part of the Dabie Mountains.  Kexue Tongbao (Chinese Science Bulletin), 17, 1318-1321.

25. Xu, S.T., Okay, A.I., Ji, S.Y., Şengör, A.M.C., Su, W., Liu, Y.C. & Jiang, L.L., 1992, Diamond from the Dabie Shan metamorphic rocks and its implication for tectonic setting.  Science, 256, 80-82.

26. Okay, A.I. & Şengör, A.M.C., 1992, Evidence for intracontinental thrust-related exhumation of the ultra-high-pressure rocks in China.  Geology, 20, 411-414. 

27. Okay, A. & Siyako, M., 1993, The revised location of the İzmir-Ankara Suture in the region between Balıkesir and İzmir (in Turkish).  In: Ozan Sungurlu Symposium Proceedings, Tectonics and Hydrocarbon Potential of Anatolia and Surrounding Regions (ed. S. Turgut) , Ankara, 333-355.

28. Okay, A.I., 1993, Petrology of a diamond and coesite-bearing metamorphic terrain: Dabie Shan, China.  European Journal of Mineralogy , 5, 659-675.

29. Okay, A.I., Şengör, A.M.C. &  Satır, M., 1993, Tectonics of an ultra-high pressure metamorphic terrane: the Dabie Shan/Tongbai Shan orogen, China. Tectonics, 12, 1320-1334.

30. Okay, A.I., 1994, Sapphirine and Ti-clinohumite in ultra-high-pressure garnet-pyroxenite and eclogite from Dabie Shan, China.  Contributions to Mineralogy and Petrology, 116, 145-155.

31a. Okay, A.I., ve Tansel, İ., 1994, Pontid-İçi okyanusunun üst yaşı hakkında Şarköy kuzeyinden (Trakya) yeni bir bulgu.  Maden Tetkik ve Arama Dergisi, 114, 21-24.

31b. Okay, A.I. & Tansel, İ., 1994, New data on the upper age of the Intra-Pontide ocean  from north of Şarköy (Thrace).  Bulletin of the Mineral Research and Exploration, 114, 23-26.

32. Okay A.I. & Kelley, S.P, 1994, Tectonic setting, petrology and geochronology of jadeite + glaucophane and chloritoid + glaucophane schists from northwest Turkey.  Journal of Metamorphic Geology, 12, 455-466.

33. Harris, N.B.W., Kelley, S. & Okay, A.I., 1994, Post-collision magmatism and tectonics in northwest Anatolia.  Contributions to Mineralogy and Petrology, 117, 241-252.

34. Okay, A.I., Şengör, A.M.C. & Görür, N., 1994, Kinematic history of the opening of the Black Sea and its effect on the surrounding regions.  Geology, 22, 267-270 .

35. Okay, A.I. & Mostler, H., 1994, Carboniferous and Permian radiolarite blocks from the Karakaya Complex in northwest Turkey.  Turkish Journal of Earth Sciences, 3, 23-28.

36. Schertl, H-P. & Okay, A.I., 1994, Coesite inclusion in dolomite in Dabie Shan, China: Petrological and rheological significance.  European Journal of Mineralogy, 6, 995-1000.

37. Okay, A.I., Siyako, M. & Bürkan, K.A., 1994, Reply to the Discussion on the Geology and tectonic evolution of the Biga peninsula (in Turkish). Bulletin of the Turkish Association of Petroleum Geologists, 5, 117-119.

38. Görür, N., Okay, A.I., Tüysüz, O., Yiğitbaş, E. & Akkök, R., 1995, Paleogeographic and tectonic position of the İstanbul-Zonguldak Paleozoic sequence (in Turkish).  M.N. Yalçın and G. Gürdal (eds.) ,Zonguldak Basin Research Wells. I, Kozlu K20/G.  Special Publication of TÜBİTAK, Marmara Research Centre, p.27-43.

39. Okay, A.I., 1995, Paragonite eclogites from Dabie Shan, China: Reequilibration during exhumation ?.  Journal of Metamorphic Geology, 13, 449-460.

40. Perchuk, L.L., Yapaskurt, V.O. & Okay, A.I., 1995, Comparative petrology of diamond-bearing complexes. Petrology, 3, 267-309.

41. Okay, A.I., Satır, M., Maluski, H., Siyako, M., Monie, P., Metzger, R. & Akyüz S., 1996, Paleo- and Neo-Tethyan events in northwest Turkey: geological and geochronological constraints. in Tectonics of Asia (ed. A. Yin & M. Harrison), Cambridge University Press, 420-441.

42. Leven, E.Ja. & Okay, A.I., 1996, Foraminifera from the exotic Permo-Carboniferous limestone blocks in the Karakaya Complex, northwest Turkey.  Rivista Italiana Paleontologia e Stratigrafia, 102, 139-174.

43. Okay, A.I., 1996, Granulite facies gneisses from the Pulur region, Eastern Pontides.  Turkish Journal of Earth Sciences, 5, 55-61.

44. Okay, A.I. & Leven, E.Ja., 1996, Stratigraphy and paleontology of the Upper Paleozoic sequence in the Pulur (Bayburt) region, Eastern Pontides.  Turkish Journal of Earth Sciences, 5, 145-155.

45. Görür, N. & Okay, A.I., 1996, Fore-arc origin of the Thrace basin, northwest Turkey.  Geologische Rundschau 85, 662-668.

46. Akyüz, S. & Okay, A.I., 1996, A section across a Tethyan suture in northwest Turkey.  International Geological Review, 38, 405-418.

47. Görür, N., Monod, O., Okay, A.I., Şengör, A.M.C., Tüysüz, O., Yiğitbaş, E., Sakınç, M. & Akkök, R., 1997, Palaeogeographic and tectonic position of the Carboniferous rocks of the western Pontides (Turkey) in the frame of the Variscan belt.  Bulletin de la Société Géologique de France, 168, 197-205.

48. Okay, A.I. & Monié, P., 1997, Early Mesozoic subduction in the Eastern Mediterranean: Evidence from Triassic eclogite in northwest Turkey.  Geology, 25, 595-598.

49a. Okay, A.I., Şahintürk, Ö. & Yakar, H., 1997, Doğu Pontidlerde Pulur (Bayburt) bölgesinin stratigrafisi ve tektoniği. Maden Tetkik ve Arama Dergisi, 119, 1-22.

49b. Okay, A.I., Şahintürk, Ö. & Yakar, H., 1997, Stratigraphy and tectonics of the Pulur (Bayburt) region in the Eastern Pontides. Bulletin of the Mineral Research and Exploration Institute, 119, 1-24.

50. Okay, A.I., 1997, Jadeite-K-feldspar rocks and jadeitites from northwest Turkey.  Mineralogical Magazine, 61, 835-843.

51. Okay, A.I. & Şahintürk, Ö., 1997 Geology of the Eastern Pontides. In "Regional and Petroleum Geology of the Black Sea and Surrounding Region" (ed. A.G. Robinson), American Association of Petroleum Geologists (AAPG) Memoir No. 68, 291-311.

52. Okay, A.I., Harris, N.B.W. & Kelley, S.P., 1998, Exhumation of blueschists along a Tethyan suture in northwest Turkey.  Tectonophysics, 285, 275-299.

53. Okay, A.I., Demirbağ, E., Kurt, H., Okay, N. & Kuşçu, İ., 1999, An active, deep marine strike-slip basin along the North Anatolian fault in Turkey.  Tectonics, 18, 129-148.

54. Okay, A.I. & Tüysüz, O., 1999, Tethyan sutures of northern Turkey.  In "The Mediterranean Basins: Tertiary extension within the Alpine orogen" (eds. B. Durand, L. Jolivet, F. Horváth and M. Séranne), Geological Society, London, Special Publication 156, 475-515.

55. Sherlock, S.C. & Okay, A.I., 1999, Oscillatory zoned chrome lawsonite in the Tavsanli Zone, northwest Turkey.  Mineralogical Magazine, 63, 687-692.

56. Sherlock, S., Kelley, S.P., Inger, S., Harris N. & Okay, A.I., 1999, 40Ar-39Ar and Rb-Sr geochronology of high-pressure metamorphism and exhumation history of the Tavsanli Zone, NW Turkey. Contributions to Mineralogy and Petrology, 137, 46-58.

57a. Akyüz, H.S. ve Okay, A.I., 1999, Manyas güneyinin jeolojisi (Balıkesir) ve mavişistlerin tektonik konumu.  Maden Tetkik ve Arama Dergisi, 120, 105-120.

57b. Akyüz, H.S. & Okay, A.I., 1999, The geology of the south of Manyas (Balıkesir) and the tectonic significance of blueschists.  Bulletin of the Mineral Research and Exploration, 120, 81-95.

58. Okay, A.I., 2000, Was the Late Triassic orogeny in Turkey caused by the collision of an  oceanic plateau ?  In "Tectonics and Magmatism in Turkey and Surrounding Area" (eds. E. Bozkurt, J.A. Winchester and J.A.D. Piper), Geological Society, London, Special Publication, 173, 25-41.

59. Okay, A. I.,  Kaşlılar-Özcan, A., İmren, C., Boztepe-Güney, A., Demirbağ, E. & Kuşçu, İ. 2000, Active faults and evolving strike slip basins in the Marmara Sea, northwest Turkey: a multi-channel seismic reflection study.  Tectonophysics, 321, 189-218.

60. Okay, A.I. & Satır, M., 2000, Coeval plutonism and metamorphism in a latest Oligocene metamorphic core complex in northwest Turkey.  Geological Magazine, 137, 495-516.

61. Okay, A.I. & Satır, M., 2000, Upper Cretaceous eclogite facies metamorphic rocks from the Biga Peninsula, northwest Turkey.  Turkish Journal of Earth Sciences, 9, 47-56.

62. Okay, A.I., 2001, Stratigraphic and metamorphic inversions in the central Menderes Massif: a new structural model.  International Journal of Earth Sciences (Geologische Rundschau), 89, 709-727.

63. Okay A.I., Tansel, İ. & Tüysüz, O., 2001, Obduction, subduction and collision as reflected in the Upper Cretaceous-Lower Eocene sedimentary record of western Turkey.  Geological Magazine, 138, 117-142.

64. Okay, A.I., Satır, M., Tüysüz, O., Akyüz, S. & Chen, F., 2001, The tectonics of the Strandja Massif: Variscan and mid-Mesozoic deformation and metamorphism in the northern Aegean.  International Journal of Earth Sciences (Geologische Rundschau), 90, 217-233.

65. Okay, A.I., 2002, Reply: Stratigraphic and metamorphic inversions in the central Menderes Massif: a new structural model.  International Journal of Earth Sciences (Geologische Rundschau), 91, 173-178.

66a. Yıkılmaz, M.B., Okay, A.I., ve Tansel, İ., 2002, Biga yarımadasında pelajik bir Paleosen istifi. Maden Tetkik ve Arama Dergisi, 123/124, 21-26.

66b. Yıkılmaz, M.B., Okay, A.I. & Tansel, İ., 2002, A pelagic Palaeocene sequence in the Biga Peninsula, northwest Turkey.  Bulletin of the Mineral Research and Exploration, 123/124, 21-26.

67. Okay, N. & Okay, A.I., 2002, Tectonically induced Quaternary drainage diversion in northeastern Aegean. Journal of the Geological Society, London, 159, 393-400.

68. Okay, A.I., Monod, O. & Monié, P., 2002, Triassic blueschists and eclogites from northwest Turkey: vestiges of the Paleo-Tethyan subduction.  Lithos, 64, 155-178.

69. Okay, A.I., 2002, Jadeite-chloritoid-glaucophane-lawsonite schists from northwest Turkey: unusually high P/T ratios in continental crust.  Journal of Metamorphic Geology, 20, 757-768.

70. Yaltırak, C. & Okay, A.I., 2004, Geology of the Paleo-Tethyan units at the northern part of Edremit Bay. (in Turkish). İTÜ Dergisi, seri D, 3, 67-79. Edremit Körfezi kuzeyi Paleotetis birimlerinin jeolojisi

71. Okay, A.I. & Göncüoğlu,M.C., 2004, Karakaya Complex: a review of data and concepts. Turkish Journal of Earth Sciences, 13, 77-95.

72. Okay, A.I. & Altıner, D., 2004, Uppermost Triassic limestone in the Karakaya Complex - stratigraphic and tectonic significance. Turkish Journal of Earth Sciences, 13, 187-199.

73. Stephenson, R., Mart, Y., Okay, A., Robertson, A., Saintot, A., Stovba, S., Khriachtchevskaia, O., 2004, TRANSMED transect VIII: East European Craton, Crimea, Black Sea, Anatolia, Cyprus, levant Sea, Sinai, Red Sea.  In "The TRANSMED Atlas - The Mediterranean Region from crust to mantle" (eds. W. Cavazza, F.M. Roure, W. Spakman, G.M. Stampfli, P.A. Ziegler). Book with CD-ROM, 141 pp., Springer, Heidelberg, Germany.

74. Okay, A.I., Tüysüz, O. & Kaya, Ş., 2004, From transpression to transtension: Changes in morphology and structure around a bend on the North Anatolian Fault in the Marmara region. Tectonophysics, 391, 259-282.

75. Zattin, M., Okay, A.I., Cavazza, W., 2005.  Fission-track evidence for late Oligocene and mid-Miocene activity along the North Anatolian Fault in south-western Thrace.  Terra Nova, 17,  95-101.

76a. Özgörüş, Z., & Okay, A.I., 2005, Orientation of the Cretaceous dykes in the Istanbul region: an approach to the Cretaceous stress distribution.  Bulletin of the Mineral Research and Exploration.

76b. Özgörüş, Z. & Okay, A.I., 2005, İstanbul bölgesindeki andezitik dayklarının konumları: Kretase’de gerilme dağılımına bir yaklaşım.  Maden Tetkik ve Arama Dergisi, 130,17-27.

77. Monod, O., Kuzucuoğlu, C. & Okay, A.I., 2006, A Miocene paleovalley network in the Western Taurus (Turkey).  Turkish Journal of Earth Sciences, 15, 1-23.

78. Okay, A.I., Tüysüz, O., Satır, M., Özkan-Altıner, S., Altıner, D., Sherlock, S., & Eren, R.H., 2006, Cretaceous and Triassic subduction-accretion, HP/LT metamorphism and continental growth in the Central Pontides, Turkey.  Geological Society of America Bulletin, 118, 1247-1269.

79. Topuz, G., Okay, A.I., Altherr, R., Meyer, H.P. & Nasdala, L., 2006, Partial high-pressure aragonitization of micritic limestones in an accretionary complex, Tavşanlı Zone, NW Turkey.  Journal of Metamorphic Geology, 24, 603-613.

80. Okay, A.I., Satır, M. & Siebel, W., 2006,  Pre-Alpide orogenic events in the Eastern Mediterranean region.  European Lithosphere Dynamics.  Geological Society, London, Memoirs 32, 389-405.

81. Okay, A. & Satır, M., 2006, Geochronology of Eocene plutonism and metamorphism in northwest Turkey: evidence for a possible magmatic arc.  Geodinamica Acta, 19, 251-266.

82. Topuz, G. & Okay, A.I., 2006, Comment on “petrography and petrology of the calc-alkaline Sarıhan Granitoid (NE Turkey): an example of magma mingling and mixing”.  Turkish Journal of Earth Sciences, 15, 373-377.

85. Okay, A.I. & Altıner, D., 2007, A condensed Mesozoic section in the Bornova Flysch Zone: A fragment of the Anatolide-Tauride carbonate platform.  Turkish Journal of Earth Sciences, 16,  257-279.

86. Gökçeoğlu, C., Okay, A.I. & Sezer, E., 2008, International earth science literature from Turkey – 1970-2005: trends and possible causes. Scientometrics, 74, 409-423, doi: 10.1007/s11192-007-1813-x.

87. Okay, A.I., Satır, M., Zattin, M., Cavazza, W. & Topuz, G., 2008, An Oligocene ductile strike-slip shear zone: Uludağ Massif, northwest Turkey – implications for the escape tectonics. Geological Society of America Bulletin, 120, 893–911, doi: 10.1130/B26229.1.

88. Okay, A.I., Satır, M. & Shang, C.K., 2008, Ordovician metagranitoid from the Anatolide-Tauride Block, northwest Turkey -geodynamic implications. Terra Nova, 20, 280–288.

89. Okay, A.I., Bozkurt, E., Satır, M., Yiğitbaş, E., Crowley, Q.G. & Shang, C.K., 2008, Defining the southern margin of Avalonia in the Pontides: geochronological data from the Late Proterozoic and Ordovician granitoids from NW Turkey. Tectonophysics, 461, 252-264.

90. Topuz, G., Okay, A.I., Altherr, R., Satir, M. & Schwarz, W.H., 2008, Late Cretaceous blueschist-facies metamorphism in southeastern Thrace (Turkey) and its geodynamic implications. Journal of Metamorphic Geology, 26, 895–913.

91. Okay, A.I., 2008; Geology of Turkey: A synopsis. Anschnitt, 21, 19-42.

92. Janssen, C., Bohnhoff, M., Vapnik, Y., Görgün, E., Bulut, F., Plessen, B., Pohl, D., Aktar, M., Okay, A.I. & Dresen, G., 2009, Tectonic evolution of the Ganos segment of the North Anatolian Fault (NW Turkey).  Journal of Structural Geology, 31, 11-28.

93. Cavazza, W., Okay, A.I. & Zattin, M., 2009, Rapid early-middle Miocene exhumation of the Kazdag metamorphic core complex (Western Anatolia). International Journal of Earth Sciences, 98, 1935-1947.

94. Okay, A.I., Zattin, M. & Cavazza, W., 2010, Apatite fission-track data for Miocene Arabia-Eurasia collision. Geology, 38, 35-38.

95. Okay; A.I.,  Özcan, E., Cavazza, W., Okay; N. & Less, G. 2010.  Basement types, Lower Eocene series, Upper Eocene olistostromes and the initiation of the southern Thrace Basin, NW Turkey. Turkish Journal of Earth Sciences, 19, 1-25.

96. Özcan, E., Less, G.,  Okay, A.I.,  Báldi-Beke, M., Kollányi, K. &  Yilmaz, İ.Ö. 2010.  Stratigraphy and larger foraminifera of the Eocene shallow-marine and olistostromal units of the southern part of the Thrace Basin, NW Turkey. Turkish Journal of Earth Sciences, 19, 27-77.

97. Zattin, M., Cavazza, W., Okay, A.I., Federici, I., Fellin, M.G., Pignalosa, A. & Reiners, P. 2010. A precursor of the North Anatolian Fault in the Marmara Sea region. Journal of Asian Earth Sciences, 39, 97–108.

98. Oberhänsli, R., Candan, O., Bousquet, R, Rimmele, G., Okay, A. I., Goff, B.J., 2010, Alpine HP evolution of the eastern Bitlis complex, SE Turkey.  In: Sedimentary basin tectonics from the Black Sea and Caucasus to the Arabian Platform (eds. M. Sosson, N. Kaymakçı, R. Stephenson, V. Starostenko, F. Bergerat, Geological Society, London, Special Publication, 340, 461-483.

99. Federici, I., Cavazza, W., Okay, A.I., Beyssac, O.,  Zattin, M., Corrado, S. & Dellisanti, F. 2010. Thermal evolution of the Permo-Triassic Karakaya subduction-accretion complex from the Biga Peninsula to the Tokat Massif (Anatolia). Turkish Journal of Earth Sciences, 19, 409-429.

100. Okay, A.I. & Whitney, D.L., 2011,blueschists, eclogites, ophiolites and suture zones in northwest turkey: a review and a field excursion guide. Ofioliti, 35, 131-172.

101. Okay, A.I., Noble, P.J. & Tekin, U.K.,.2011, Devonian radiolarian ribbon cherts from the Karakaya Complex, northwest Turkey: implications for the Paleo-Tethyan evolution. Comptes Rendus Palevol, 10, 1-10.

102. Okay, N., Zack, T., Okay, A.I. & Barth, M. 2011, Sinistral transport along the Trans-European Suture Zone: detrital zircon-rutile geochronology and sandstone petrography from the Carboniferous flysch of the Pontides. Geological Magazine, 148, 380-403.

103. Topuz, G., Okay, A.I., Altherr, R., Schwarz, W.H., Siebel, W., Zack, T., Satır, M & Şen, C., 2011, Post-collisional adakite-like magmatism in the Ağvanis Massif and implications for the evolution of the Eocene magmatism in the Eastern Pontides (NE Turkey).  Lithos, 125, 131-150

104. Less, G., Özcan, E. & Okay, A.I., 2011, Stratigraphy and larger foraminifera of the Middle Eocene to Lower Oligocene shallow-marine units in the northern and eastern parts of the Thrace Basin, NW Turkey. Turkish Journal of Earth Sciences, 20, 793-845.

105a. Okay, A.I., 2011, Tavşanlı Zone: The northern subducted margin of the Anatolide-Tauride Block. Bulletin of the Mineral Research and Exploration, 142, 191-221.

105b. Okay, A.I., 2011, Tavşanlı Zonu: Anatolid-Torid Bloku’nun dalma-batmaya uğramış kuzey ucu. Maden Tetkik ve Arama Dergisi, 142, 195-226.

106. Cavazza, C., Federici, I., Okay, A.I. & Zattin, M., 2012, Apatite fission-track thermochronology of the Western Pontides (NW Turkey). Geological Magazine, 149, 133-140.

107. D’Atri, A., Zuffa, G.G., Cavazza, W., Okay, A.I. & Di Vincenzo, G., 2012, Detrital supply from subduction/accretion complexes to the Eocene–Oligocene post-collisional southern Thrace Basin (NW Turkey and NE Greece). Sedimentary Geology, 243-244, 117-129.

108. Oberhansli, R., Bousquet, R., Candan, O. & Okay, A.I., 2012, Dating subduction events in East Anatolia, Turkey.  Turkish Journal of Earth Sciences, 21, 1-17.

109. Aygül, M., Topuz, G., Okay, A.I., Satir, M. & Meyer, H.P., 2012, The Kemer Metamorphic Complex (NW Turkey), a subducted continental margin of the Sakarya Zone.  Turkish Journal of Earth Sciences, 21, 19-35.

110. Özcan, Z., Okay, A.I., Özcan, E., Hakyemez, A. & Özkan-Altiner, S.,  2012, Late Cretaceous - Eocene geological evolution of the Pontides in northwest Turkey between the Black Sea coast and Bursa. Turkish Journal of Earth Sciences, 21, 933-960.

112. Okay, A.I., İşintek, İ., Altıner, D., Özkan-Altıner, S., Okay, N., 2012, An olistostrome- mélange belt formed along a major suture: Bornova Flysch Zone, western Turkey.  Tectonophysics, 568-569, 282-295.

113. Akbayram, K., Okay. A.I. & Satır, M., 2013. Early Cretaceous closure of the Intra-Pontide Ocean in western Pontides (northwestern Turkey). Journal of Geodynamics, 65, 38-55.

114. Jolivet, L., Faccenna, C., Huet, B., Labrousse, L., Le Pourhiet, L., Lacombe, O., Lecomte, E., Burov, E., Denèle, Y., Brun, J-P., Philippon, M., Paul, A., Salaün, G., Karabulut, H., Piromallo, C., Monié, P., Gueydan, F., Okay, A.I., Oberhänsli, R., Pourteau A., Augier, R., Gadenne, L., Driussi, O., 2013, Aegean tectonics: strain localisation, slab tearing and trench retreat. Tectonophysics, 597-598, 1-33.

115. Karaoğlan, F., Parlak, O., Robertson, A., Thöni, M., Klötzli, U., Koller, F. & Okay, A.I., 2013, Evidence of Eocene high-temperature metamorphism of ophiolitic rocks and granitoid intrusion related to Neotethyan subduction processes (Doğanşehir area, SE Anatolia). Geological Society, London, Special Publication, 372, 249-272.

116. Okay, A.I., Sunal, G., Sherlock, S., Altıner, D., Tüysüz, O., Kylander-Clark, A.R.C. & Aygül, M., 2013, Early Cretaceous sedimentation and orogeny on the active margin of Eurasia: southern Central Pontides, Turkey. Tectonics, 32, 1247-1271.

117. Plunder, A., Agard, P., Chopin, C. & Okay, A.I., 2013, Geodynamics of the Tavşanlı zone, western Turkey: Insights into subduction/obduction processes. Tectonophysics, 608, 884-903.

118. Okay, A.I., Sunal, G., Tüysüz, O., Sherlock, S., Keskin,M. & Kylander-Clark, A.R.C., 2014, Low-pressure - high-temperature metamorphism during extension in a Jurassic magmatic arc, Central Pontides, Turkey. Journal of Metamorphic Geology, 32, 49-69.

119. Albino, I., Cavazza, W., Zattin, M., Okay, A.I., Adamia, S. & Sadradze, N., 2014, Far-field tectonic effects of the Arabia-Eurasia collision and the inception of the North Anatolian Fault system. Geological Magazine, 151, 372–379.

120. Topuz, G., Okay, A.I., Altherr, R., Schwarz, W.H., Sunal, G., Altınkaynak, L., 2014, Triassic warm subduction in the northeast Turkey: Evidence from the Ağvanis metamorphic rocks. Island Arc, 23, 181–205.

121. Topuz, G. & Okay, A.I., 2014, Prograde calcite to aragonite transformation in the Gümüşyeniköy micritic limestones (Tavşanlı, NW Turkey). International Journal of Earth Sciences, 103, 2271–2272.

122. Nikishin, A.M., Okay, A.I., Tüysüz, O., Demirer, A., Amelin, N. & Petrov, E., 2015, The Black Sea basins structure and history: New model based on new deep penetration regional seismic data. Part 1: Basins structure and fill. Marine and Petroleum Geology, 59, 638-655.

123. Nikishin, A.M., Okay, A., Tüysüz, O., Demirer, A., Wannier, M., Amelin, N. & Petrov, E., 2015, The Black Sea basins structure and history: New model based on new deep penetration regional seismic data. Part 2: Tectonic history and paleogeography. Marine and Petroleum Geology, 59, 656-670.

124. Okay, A.I. & Nikishin, A.M., 2015, Tectonic evolution of the southern margin of Laurasia in the Black Sea region. International Geology Review, 57, 1051-1076.

125. Okay, A.I., Altıner, D. & Kılıç, A.M., 2015, Triassic limestone, turbidites and serpentinite–the Cimmeride orogeny in the Central Pontides.  Geological Magazine, 152, 460-479.

126. Plunder, A., Agard, P., Chopin, C., Pourteau, A.  & Okay, A.I., 2015, Accretion, underplating and exhumation along a subduction interface: From subduction initiation to continental subduction (Tavşanlı zone,W. Turkey). Lithos, 226, 233-254.

127. Aygül, M., Okay, A.I., Oberhaensli, R. & Ziemann, M.A., 2015, Thermal structure of low-grade accreted Lower Cretaceous distal turbidites, the Central Pontides, Turkey: insights for tectonic thickening of an accretionary wedge. Turkish Journal of Earth Sciences, 24, 461-474.

128. Aygül, M., Okay, A.I., Oberhänsli, R., Schmidt, A., Sudo, M., 2015, Late Cretaceous infant intra-oceanic arc volcanism, the Central Pontides, Turkey: Petrogenetic and tectonic implications. Journal of Asian Earth Sciences, 111, 312-327.

129. Çetinkaplan, M., Pourteau, A., Candan, O., Koralay, O.E., Oberhänsli, R., Okay, A.I., Chen, F., Kozlu, H. & Şengün, F., 2016, P-T-t evolution of eclogite/blueschist facies metamorphism in Alanya Massif: time and space relations with HP event in Bitlis Massif, Turkey. International Journal of Earth Sciences, 105, 247–281.

130. Akbayram, K., Sorlien, C. & Okay, A.I., 2016, Evidence for a minimum 52±1 km of total offset along the northern branch of the North Anatolian Fault in northwest Turkey. Tectonophysics, 668-669, 35-41.

131. Aygül, M., Okay, A.I., Oberhänsli, R., Sudo, M., 2016, Pre-collisional accretionary growth of the southern Laurasian margin, Central Pontides, Turkey. Tectonophysics, 671, 218–234.

132. Page, L.,Hattori, K., de Hoog, J.C.M. & Okay, A.I., 2016, Halogen (F, Cl, Br, I) behaviour in subducting slabs: A study of lawsonite blueschists in western Turkey. Earth and Planetary Science Letters, 442, 133–142.

133. Okay, A.I., Altıner, D., 2016, Carbonate sedimentation in an active margin: Cretaceous history of the Haymana region, Pontides. International Journal of Earth Sciences, 105, 2013–2030.

134. Candan, O., Akal, C., Koralay, O.E., Okay, A.I., Oberhänsli, R., Prelević, D., Mertz-Kraus, R., 2016, Carboniferous granites on the northern margin of Gondwana, Anatolide-Tauride Block, Turkey - evidence for southward subduction of Paleotethys. Tectonophysics, 683, 349–366.

135. Plunder, A., Agard, P., Chopin, C., Soret, M., Okay, A.I., Whitechurch, H., 2016, Metamorphic sole formation, emplacement and blueschist overprint: early obduction dynamics witnessed by Western Turkey ophiolites. Terra Nova, 28, 329–339.

136. Topuz, G. & Okay, A.I., 2017, Late Eocene - Early Oligocene two-mica granites in NW Turkey (the Uludağ Massif): Water-fluxed melting products of a mafic metagraywacke. Lithos, 268–271, 334–350.

137. Akdoğan, R.. Okay, A.I., Sunal, G., Tari, G., Meinhold, G. & Kylander-Clark, A.R.C., 2017, Provenance of a large Lower Cretaceous turbidite submarine fan on the active Laurasian margin. Journal of Asian Earth Sciences 134, 309–329.

138. Okay, A.I. & Topuz, G., 2017, Variscan orogeny in the Black Sea region. International Journal of Earth Sciences, 106, 569-592.

139. Topuz, T., Okay, A.I., Schwarz, W.H., Sunal, G., Altherr, R., Kylander-Clark, A.R.C., 2018, A middle Permian ophiolite fragment in Late Triassic greenschist- to blueschist-facies rocks in NW Turkey: An earlier pulse of suprasubduction-zone ophiolite formation in the Tethyan belt. Lithos, 300–301, 121–135.

140. Cattò, S., Cavazza, W., Zattin, M., Okay, A.I., 2018, No significant Alpine-age tectonic overprint of the Cimmerian Strandja Massif (SE Bulgaria and NW Turkey). International Geology Review, 60, 513–529.

141. Akdoğan, R.. Okay, A.I., Dunkl, I., 2018, Triassic-Jurassic Arc Magmatism in the Pontides as Revealed by the U-Pb Detrital Zircon Ages in the Jurassic Sandstones, Northeastern Turkey. Turkish Journal of Earth Sciences, 27, 89-109.

142. Bodur, Ö. F., Göğüş, O. H., Pysklywec, R. N., & Okay, A. I. (2018). Mantle lithosphere rheology, vertical tectonics, and the exhumation of (U)HP rocks. Journal of Geophysical Research: Solid Earth, 123, 1824–1839.

143. Vincent, S. J., Saintot, A., Mosar, J., Okay, A. I., & Nikishin, A. M., 2018, Comment on “Relict basin closure andcrustal shortening budgets during continental collision: An example from Caucasus sediment provenance” by Cowgill et al. (2016). Tectonics, 37. 2017TC004515.

144. Özcan, E., Okay, A.I., Bürkan, K.A., Yücel, A.O., Özcan, Z., 2018, The Bartonian-Priabonian marine record of the Biga Peninsula, NW Anatolia (Turkey): larger benthic foraminifera, revised stratigraphy and implications for the regional geology. Geologica Acta, 16, 163-187.

145. Simmons, M.D., Tari, G.C. & Okay, A.I., 2018. Petroleum Geology of the Black Sea: introduction.  In: Simmons, M.D., Tari, G.C. & Okay, A.I. (eds), Petroleum Geology of the Black Sea, Geological Society, London, Special Publications, 464, 1-18.

146. Okay, A.I., Altıner, D., Sunal, G., Tüysüz, O., Aygül, M., Akdoğan, R., Altıner, S., Simmons, M., 2018, Geological Evolution of the Central Pontides.  In: Simmons, M.D., Tari, G.C. & Okay, A.I. (eds), Petroleum Geology of the Black Sea, Geological Society, London, Special Publications, 464, 33–67.

147. Cavazza, W., Cattò, S., Zattin, M., Okay,A.I. & Reiners, P., 2018, Thermochronology of the Miocene Arabia-Eurasia collision zone of southeastern Turkey: Geosphere, 14, 1–1.

148. Atasoy, S.G., Altiner, D., Okay, A.I., 2018, Reconstruction of a Late JurassiceEarly Cretaceous carbonate platform margin with composite biostratigraphy and microfacies analysis (western Sakarya Zone, Turkey): Paleogeographic and tectonic implications.  Cretaceous Research, 92, 66-93.

149. Pehlivan, Ş., Okay, A.I., Duru, M., Bilgin, R.Z., Tok, T., Çakır, K., Kandemir, Ö., Kanar, F., 2018, Kütahya – İ21 paftası ve izahnamesi (Kütahya I-21 map sheet and explanatory booklet). 1:100 000 ölçekli Türkiye Jeoloji Haritaları Serisi, No. 244 (1.100 000 scale Geological Map series of Turkey, No. 244). Maden Tetkik ve Arama Genel Müdürlüğü, Ankara, 18 pp.

150. Okay, A.I., Özcan, E., Hakyemez, A., Siyako, M., Sunal, G., Kylander-Clark, A.R.C., 2019, The Thrace Basin and the Black Sea: the Eocene - Oligocene connection. Geological Magazine, 156, 39-61.

151. Okay, A. I., Altıner, D. & Kylander‐Clark, A. R. C. (2019). Major Late Cretaceous mass flows in central Turkey recording the disruption of the Mesozoic continental margin. Tectonics, 38, 960-989.

152. Akdoğan, R., Okay, A. I. & Dunkl, I. (2019). Striking variation in the provenance of the Lower and Upper Cretaceous turbidites in the central Pontides (northern Turkey) related to the opening of the Black Sea. Tectonics, 38, 1050-1069.

153. Özcan, E., van Gorsel, J.T., Sarı, B., Yücel, A.O., Erbay, S. & Okay, A.I., 2019, Primitive Helicorbitoides (Foraminifera) and associated larger benthic foraminifera from the Campanian Tonya Formation, Trabzon, eastern Pontides, NE Turkey. Cretaceous Research, 101, 30-42.

154. Sunal, G., Erturaç, M.K., Topuz, G., Okay, A.I. & Zack, T., 2019, The Early Eocene Ekmekçi Granodiorite porphyry in the Karacabey region (western Sakarya Zone), NW Turkey. Turkish Journal of Earth Sciences, 28, 589-602.

155. Gülmez, F., Damcı, E., Ülgen, U.B. & Okay, A.I., 2019, Deep structure of Central Menderes Massif: data from deep geothermal wells. Turkish Journal of Earth Sciences 28, 531-543.

156. Okay, A.I., Simmons, M., Özcan, E., Starkie, S., Bidgood, M. & Kylander-Clark, A.R.C., 2020, Eocene-Oligocene succession at Kıyıköy (Midye) on the Black Sea coast in Thrace. Turkish Journal of Earth Sciences, 29, 139-153.

157. Simmons, M.D., Bidgood, M.D., Connell, P.G., Ćorić, S., Okay, A.I., Shaw, D., Tulan, E., Mayer, J. & Tari, G.C., 2020, Biostratigraphy and palaeoenvironments of the Oligocene succession (Ihsaniye Formation) at Karaburun (NW Turkey). Turkish Journal of Earth Sciences, 29, 28-63.

158. Özcan, E., Özcan, Z., Okay, A.I., Akbayram, K. & Hakyemez, A., 2020, Ypresian-to Lutetian marine record in NW Turkey: a revised biostratigraphy and chronostratigraphy and implications for the Eocene paleogeography. Turkish Journal of Earth Sciences, 29, 1-27.

159. Okay, A.I., Simmons, M, D. & Tari, G.C. (guest editors), 2020, Preface to the special issue on the “Eocene-Oligocene Evolution of the Black Sea Region”. Turkish Journal of Earth Sciences,  29, ii-iv.

160. Topuz, G., Candan, O., Okay, A.I., von Quadt, A., Othman, M., Zack, T. & Wang, J., 2020, Silurian anorogenic basic and acidic magmatism in northwest Turkey: Implications for the opening of the Paleo-Tethys. Lithos, 356-357, article 105302.

161. Özcan, E., Hakyemez, A., Ciner, A., Okay, A.I., Soussi, M., Boukhalfa, K. & Yücel, A.O., 2020, A reinterpretation of the age and depositional environment of the Eocene Çayraz Formation (Haymana Basin, Central Turkey) in the light of new planktonic foraminiferal data. Journal of Asian Earth Sciences, 183, article 104304.

162. Okay, A. I., Sunal, G., Sherlock, S., Kylander-Clark, A. R. C., & Özcan, E. (2020). İzmir-Ankara suture as a Triassic to Cretaceous plate boundary—Data from central Anatolia. Tectonics, 38. e2019TC005849.

163. Okay, A. I.,Zattin, M., Özcan, E., & Sunal, G. 2020, Uplift of Anatolia. Turkish Journal of Earth Sciences, 29, 696-713.

164. Okay, A.I., Atakul-Ozdemir, A. & Okay, N., 2020, A pelagic Upper Devonian sequence in Sariyer, Istanbul. Turkish Journal of Earth Sciences, 29, 785-797.

165. Whitney, D.L., Fornash, K.F., Kang, P., Ghent, E.D., Martin, L., Okay, A.I. & Brovarone, A.V., 2020, Lawsonite composition and zoning as tracers of subduction processes: a global review. Lithos, 370–371, article 105636.

 

Field Guide books

 

1. Okay, A.I., 1985, Geology of the Bursa region: a section across a Tethyan Suture.  Guide book for the Ihsan Ketin Nato Advanced Study Institute meeting.

2. Okay, A.I., 1987, Notes on the geology of northwest Turkey. Guide book on the geology of the western Anatolia for the IGCP project number five, Maden Tetkik ve Arama Enstitüsü, p. 1-11.

3. Okay, A.I., 1998, Tectonics and metamorphism in northwest Turkey.  Guidebook for the Metamorphic Studies Group field trip to northwest Turkey, 5-11.9.1998, 78 pp.

4. Okay, A.I., 2001, The geology of the Istanbul region.  Guidebook for the field excursion during the XVth International Conference of the Society for Soil Mechanics and Foundation Engineering, August 27-31, 2001, İstanbul.

5. Okay, A.I., 2001, The Palaeozoic and Triassic Stratigraphy in the Istanbul region.  A post-symposium excursion guide-book (EUROPROB NeoProterozoic-Early Palaeozoic time-slice symposium, 6.10.2001, Ankara.

6. Okay, A.I., 2002, A section across a Tethyan suture south of Bursa, northwest Turkey.  A post-symposium excursion guide-book (1st International Symposium of Istanbul Technical University the Faculty of Mines on Earth Sciences and Engineering, 16-18th May 2002, İstanbul), 18-19th May 2002, 54 p.

7. Okay, A.I., 2004, Tectonics and High Pressure Metamorphism in northwest Turkey.  Field trip guide book - P01, 32nd International Geological Congress, APAT, Italy, 56 pp.

8. Okay, A.I., 2006, The Palaeozoic and Triassic stratigraphy in the Istanbul region. Guidebook for the Post-Symposium Excursion, IGCP 497 The Rheic Ocean: its origin, evolution and correlatives, Ankara, 24-30 June 2006.

9. Okay, A.I., Yaltırak, C., Seeber, L., 2006, Geology of the Ganos Fault Zone in Thrace. Field trip guide book prepared for the International Workshop on Comparative Studies of the North Anatolian Fault (Northwest Turkey) and the San Andreas Fault (Southern California), İstanbul, 14-18 August 2006, 38 pp.

10. Konak, N., Okay, A.I., Hakyemez, Y., 2009, Tectonics and Stratigraphy of the Eastern Pontides. Field trip guide book, Maden Tetkik ve Arama Genel Müdürlüğü ve TMMOB Jeoloji Mühendisleri Odası, Ankara, ISBN 978-9944-897-83-9, 120 pp.

11. Okay, A.I. & Whitney, D.L., 2010, Blueschists, ophiolites and suture zones in northwest Turkey.  Field trip guide book. Pre-Congress Excursion 1-3.10.2010, Geological Society of America, Tectonic Crossroads: Evolving Orogens of Eurasia-Africa-Arabia, Ankara, 4-8 October 2010.

 

 

Articles in popular press

 

Abstracts

 

 

Thesis, unpublished reports etc.