18 Mar 2005 19:32 AR AR233-EA33-02.tex AR233-EA33-02.sgm LaTeX2e(2002/01/18) P1: IKH 10.1146/annurev.earth.32.101802.120415 Annu. Rev. Earth Planet. Sci. 2005. 33:37–112 doi: 10.1146/annurev.earth.32.101802.120415 Copyright c 2005 by Annual Reviews. All rights reserved First published online as a Review in Advance on July 16, 2004 THE NORTH ANATOLIAN FAULT: ANewLook A.M.C. S¸engor,¨ 1,3 Okan Tuys¨ uz,¨ 1,3 Caner Imren,˙ 2 Mehmet Sakınc¸,1 Haluk Eyidogan,˘ 2 Naci Gor¨ ur,¨ 1,3 Xavier Le Pichon,4 and Claude Rangin4 1Istanbul˙ Teknik Universitesi,¨ Avrasya Yer Bilimleri Enstitus¨ u,¨ Ayazaga˘ 34469, Istanbul,˙ Turkey; email:
[email protected],
[email protected],
[email protected],
[email protected] 2Istanbul˙ Teknik Universitesi,¨ Maden Fakultesi,¨ Jeofizik Bol¨ um¨ u,¨ Ayazaga˘ 34469, Istanbul,˙ Turkey; email:
[email protected],
[email protected] 3Istanbul˙ Teknik Universitesi,¨ Maden Fakultesi,¨ Jeoloji Bol¨ um¨ u,¨ Ayazaga˘ 34469, Istanbul,˙ Turkey 4College` de France—Chaire de Geodynamique,´ Europoleˆ de l’Arbois, Batiment Laennec,¨ hall D, etage´ 2 BP 80—13545 Aix-en-Provence, France; email:
[email protected],
[email protected] KeyWords strike-slip faulting, shear zone development, earthquake faulting, the Sea of Marmara, tectonics of Turkey Dedicated to the memory of three pioneers, Ihsan˙ Ketin, Sırrı Erinc¸ and Melih Tokay, and a recent student, Aykut Barka, who burnt himself out in pursuit of the mysteries of the North Anatolian Fault. ■ Abstract The North Anatolian Fault (NAF) is a 1200-km-long dextral strike-slip fault zone that formed by progressive strain localization in a generally westerly widen- ing right-lateral keirogen in northern Turkey mostly along an interface juxtaposing subduction-accretion material to its south and older and stiffer continental basements to its north.