Complete Alpine reworking of the northern Menderes Massif, western Turkey


Cenki-Tok B., Expert M., Isik V., CANDAN O., Monie P., Bruguier O.

INTERNATIONAL JOURNAL OF EARTH SCIENCES, vol.105, no.5, pp.1507-1524, 2016 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 105 Issue: 5
  • Publication Date: 2016
  • Doi Number: 10.1007/s00531-015-1271-2
  • Journal Name: INTERNATIONAL JOURNAL OF EARTH SCIENCES
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.1507-1524
  • Keywords: Menderes Massif, Metamorphic core complex, U-Pb geochronology, Thermochronology, Amphibolite-facies metamorphism, HIGH-PRESSURE METAMORPHISM, LA-ICP-MS, TH-PB GEOCHRONOLOGY, CORE COMPLEX, METASEDIMENTARY ROCKS, MINERAL EQUILIBRIA, EXHUMATION HISTORY, DETACHMENT SYSTEM, ANATOLIDE BELT, EVOLUTION
  • Dokuz Eylül University Affiliated: Yes

Abstract

This study focuses on the petrology, geochronology and thermochronology of metamorphic rocks within the northern Menderes Massif in western Turkey. Metasediments belonging to the cover series of the Massif record pervasive amphibolite-facies metamorphism culminating at ca. 625-670 A degrees C and 7-9 kbars. U-Th-Pb in situ ages on monazite and allanite from these metapelites record crustal thickening and nappe stacking associated with the internal imbrication of the Anatolide-Taurides platform during the Eocene. In addition, new Ar-39/Ar-40 single muscovite grain analyses on deformed rocks were performed in three localities within the northern Menderes Massif and ages range from 19.8 to 25.5 Ma. These mylonites may be related to both well-known detachments, Simav to the north and AlaAYehir to the south, which accommodate Oligo-Miocene exhumation of the Menderes core complex. U-Th-Pb data on monazite grains (22.2 +/- 0.2 Ma) from migmatites emplaced within the Simav detachment confirm these ages.