Field evidences from northern Dead Sea Fault Zone (South Turkey): New findings for the initiation age and slip rate

V. Karabacak*, E. Altunel, M. Meghraoui, H. S. Akyüz

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

44 Citations (Scopus)

Abstract

The left-lateral strike-slip Dead Sea Fault Zone (DSFZ) extends from the Red Sea in the south to the East Anatolian Fault Zone (EAFZ) in the north. This study examines the northern part of the DSFZ around Amik Basin and presents surface and subsurface geological evidence for the Quaternary activity and initiation age of the northernmost DSFZ. The DSFZ extends N-S in the south of the Amik Basin where clear geological and morphological evidence exists for faulting. Geological observations around Amik Basin, analyses of borehole data and electrical resistivity profiles within the Amik Basin indicate that the activity of the northern DSFZ started after Pliocene in the Amik Basin. Subsurface data in the basin suggest that the DSFZ offsets a pre-Quaternary basin sinistrally by about 7.9 km. The offset pre-Quaternary basin suggests at least 4.94 ± 0.13 mm/year slip rate for the northern part of the DSFZ. The Karasu Fault Zone (KFZ) extends in an en-echelon pattern along the western margin of the Karasu Valley and it transfers the significant amount of slip from DSFZ to the EAFZ.

Original languageEnglish
Pages (from-to)172-182
Number of pages11
JournalTectonophysics
Volume480
Issue number1-4
DOIs
Publication statusPublished - 5 Jan 2010

Keywords

  • Amik Basin
  • Dead Sea Fault Zone
  • Karasu Fault Zone
  • Quaternary activity
  • Slip rate

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