Evolution of the large-scale active manisa fault, Southwest Turkey: Implications on fault development and regional tectonics


Bozkurt E., Sozbilir H.

GEODINAMICA ACTA, vol.19, no.6, pp.427-453, 2006 (Peer-Reviewed Journal) identifier identifier

  • Publication Type: Article / Review
  • Volume: 19 Issue: 6
  • Publication Date: 2006
  • Doi Number: 10.3166/ga.19.427-453
  • Journal Name: GEODINAMICA ACTA
  • Journal Indexes: Science Citation Index Expanded, Scopus
  • Page Numbers: pp.427-453
  • Keywords: Southwest Turkey, Manisa Fault, extensional tectonics, normal fault, relay ramp, palaeostress, SOUTHERN MENDERES MASSIF, METAMORPHIC CORE COMPLEX, SEGMENTED NORMAL FAULTS, WESTERN TURKEY, FIELD EVIDENCE, GEDIZ GRABEN, RELAY RAMPS, EXTENSIONAL TECTONICS, KINEMATIC ANALYSIS, 2-STAGE EXTENSION

Abstract

This paper aims to illustrate and discuss mechanism(s) responsible for the growth and evolution of large-scale corrugated normal faults in southwest Turkey. We report spectacular exposures of normal fault surfaces as parts of the Manisa Fault -a similar to 50-km-long northeast-ward arched active fault that defines the northwestern edge of the Manisa graben, which is subsidiary to the Gediz Graben. The fault is a single through-going corrugated fault system with distinct along-strike bends. It follows NW direction for 15 km in the south, then bends into an approximately E-W direction in the northwest. The fault trace occurs at the base of topographic scarps and separates the Quaternary limestone scree and alluvium from the highly strained, massive bed-rock carbonates. The fault is exposed on continuous pristine slip surfaces, up to 60 m high.