Geochemistry and petrogenesis of the Late Paleozoic magmatism in the Sakarya Zone (NW Turkey)

İLBEYLİ N., Demirbilek M., Kibici Y.

NEUES JAHRBUCH FUR MINERALOGIE-ABHANDLUNGEN, vol.192, no.2, pp.177-194, 2015 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 192 Issue: 2
  • Publication Date: 2015
  • Doi Number: 10.1127/njma/2015/0280
  • Journal Name: NEUES JAHRBUCH FUR MINERALOGIE-ABHANDLUNGEN
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.177-194
  • Keywords: Central Sakarya, Sogut, I-type granite, S-type granite, partial melting, hybridized lower crust, fractionation, MICROGRANULAR ENCLAVES, DEDDICK GRANODIORITE, EASTERN PONTIDES, GRANITIC MAGMAS, SIERRA-NEVADA, ROCKS, ORIGIN, CRUST, CALIFORNIA, DIAGRAMS
  • Akdeniz University Affiliated: Yes

Abstract

petrological and geochemical study was carried out for the Late Paleozoic Sogut pluton in the central Sakarya zone in order to constrain its petrogenesis and tectonic setting. The pluton is made up of quartz diorite, granodiorite and granite. These rock types are composed of plagioclase, K-feldspar, quartz, biotite, hornblende and Fe-Ti oxides. The plutonic rocks are medium to high-K showing I- to S-type granitic characteristics. These rock types are defined by enrichment in LILE, LREE and relative depletion in HFSE indicating arc-related origin. Geochemical data demonstrate that the Sogut rocks originated as partial melts of a basic crustal source that experienced hybridization and also fractional crystallization during magma ascent.