The relationship between the tectonic setting of the lake İznik Basin and the Middle Strand of the North Anatolian Fault

ÖZTÜRK, Kurultay; ALPAR, Bedri; YALTIRAK, Cenk

The relationship between the tectonic setting of the lake İznik Basin and the Middle Strand of the North Anatolian Fault

Kurultay ÖZTÜRK, (İstanbul Üniversitesi, Deniz Biimleri ve İşletmeciliği Enstitüsü, İstanbul, Türkiye)

Cenk YALTIRAK, (İstanbul Teknik Üniversitesi, İstanbul, Türkiye)

Bedri ALPAR (İstanbul Üniversitesi, Deniz Biimleri ve İşletmeciliği Enstitüsü, İstanbul, Türkiye)

Turkish Journal of Earth Sciences

5 0

Yıl: 2009 Cilt: 18 Sayı: 2 Sayfa Aralığı: 209 - 224 Metin Dili: İngilizce İndeks Tarihi: 29-07-2022

The relationship between the tectonic setting of the lake İznik Basin and the Middle Strand of the North Anatolian Fault

Öz:

İznik Havzası, Kuzey Anadolu Fayı Orta Kolu (KAFOK) üzerinde yer alan aktif bir depresyondur. Bu depresyonun oluşumunda ana faktör KAFOK sağ-yanal bileşenli hareketine bağlı gelişen, farklı karakter ve doğrultulardaki fay takımlarıdır. Bu fayların içinde en önemlisi KAFOK ile paralel olan normal bileşenli oblik Sölöz fayıdır. İznik Gölü’nün güneyinde bulunan 75 metre derinliğindeki uzun oval biçimli çöküntünün oluşumunda gevşeyen büklüm fayı olarak rol oynamaktadır. İznik Havzası’nı sadece göl alanını kontrol eden faylar dışında kıyı alüvyonlarını sınırlayan kara fayları da etkin olarak kontrol etmektedir. Bu fayların bir kısmı KAF orta kolunun erken evresinde gelişmiştir. Bu faylar, P-makaslama veya ikincil sentetik makaslama faylarına karşılık gelirler ve KAF orta kolu tarafından biçilip, yaklaşık 7–8 km kadar sağ-yanal ötelenerek farklı bloklarda kalmışlardır. Bu ötelenme son 3.5–4 milyon yılda fay üzerinde 2 mm/yıl hız olduğu takdirde gerçekleşebilir. Çalışma havzasında sınırlı tarihsel deprem kayıtları ve güncel GPS verilerine göre 2 mm/yıl hıza sahip KAFOK’nun uzun dönemli deprem tekrarlanma aralığının yaklaşık 2000–2500 yıl olduğu anlaşılmaktadır. Havza çevresinde tektonik aktiviteden etkilenmiş teraslar göl seviyesinin zaman zaman yükseldiğini göstermektedir. Son buzul döneminde ise İznik Gölü’nün bugünkünden yaklaşık 40 metre aşağı düştüğü anlaşılmıştır.

Anahtar Kelime:

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık

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APA	ÖZTÜRK K, YALTIRAK C, ALPAR B (2009). The relationship between the tectonic setting of the lake İznik Basin and the Middle Strand of the North Anatolian Fault. , 209 - 224.
Chicago	ÖZTÜRK Kurultay,YALTIRAK Cenk,ALPAR Bedri The relationship between the tectonic setting of the lake İznik Basin and the Middle Strand of the North Anatolian Fault. (2009): 209 - 224.
MLA	ÖZTÜRK Kurultay,YALTIRAK Cenk,ALPAR Bedri The relationship between the tectonic setting of the lake İznik Basin and the Middle Strand of the North Anatolian Fault. , 2009, ss.209 - 224.
AMA	ÖZTÜRK K,YALTIRAK C,ALPAR B The relationship between the tectonic setting of the lake İznik Basin and the Middle Strand of the North Anatolian Fault. . 2009; 209 - 224.
Vancouver	ÖZTÜRK K,YALTIRAK C,ALPAR B The relationship between the tectonic setting of the lake İznik Basin and the Middle Strand of the North Anatolian Fault. . 2009; 209 - 224.
IEEE	ÖZTÜRK K,YALTIRAK C,ALPAR B "The relationship between the tectonic setting of the lake İznik Basin and the Middle Strand of the North Anatolian Fault." , ss.209 - 224, 2009.
ISNAD	ÖZTÜRK, Kurultay vd. "The relationship between the tectonic setting of the lake İznik Basin and the Middle Strand of the North Anatolian Fault". (2009), 209-224.

APA	ÖZTÜRK K, YALTIRAK C, ALPAR B (2009). The relationship between the tectonic setting of the lake İznik Basin and the Middle Strand of the North Anatolian Fault. Turkish Journal of Earth Sciences, 18(2), 209 - 224.
Chicago	ÖZTÜRK Kurultay,YALTIRAK Cenk,ALPAR Bedri The relationship between the tectonic setting of the lake İznik Basin and the Middle Strand of the North Anatolian Fault. Turkish Journal of Earth Sciences 18, no.2 (2009): 209 - 224.
MLA	ÖZTÜRK Kurultay,YALTIRAK Cenk,ALPAR Bedri The relationship between the tectonic setting of the lake İznik Basin and the Middle Strand of the North Anatolian Fault. Turkish Journal of Earth Sciences, vol.18, no.2, 2009, ss.209 - 224.
AMA	ÖZTÜRK K,YALTIRAK C,ALPAR B The relationship between the tectonic setting of the lake İznik Basin and the Middle Strand of the North Anatolian Fault. Turkish Journal of Earth Sciences. 2009; 18(2): 209 - 224.
Vancouver	ÖZTÜRK K,YALTIRAK C,ALPAR B The relationship between the tectonic setting of the lake İznik Basin and the Middle Strand of the North Anatolian Fault. Turkish Journal of Earth Sciences. 2009; 18(2): 209 - 224.
IEEE	ÖZTÜRK K,YALTIRAK C,ALPAR B "The relationship between the tectonic setting of the lake İznik Basin and the Middle Strand of the North Anatolian Fault." Turkish Journal of Earth Sciences, 18, ss.209 - 224, 2009.
ISNAD	ÖZTÜRK, Kurultay vd. "The relationship between the tectonic setting of the lake İznik Basin and the Middle Strand of the North Anatolian Fault". Turkish Journal of Earth Sciences 18/2 (2009), 209-224.