Petrological and source region characteristics of ophiolitic hornblende gabbros from the Aksaray and Kayseri regions, central Anatolian crystalline complex, Turkey

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dc.contributor.authorKoçak, K.
dc.contributor.authorIşık, F.
dc.contributor.authorArslan, M.
dc.contributor.authorZedef, Veysel
dc.date.accessioned2020-03-26T16:57:42Z
dc.date.available2020-03-26T16:57:42Z
dc.date.issued2005
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractMany Neo-Tethyan ophiolitic bodies are well exposed as thrust-slices in Central Anatolia and are predominantly represented by massive hornblende gabbros, most of which are cut by Supra Subduction Zone (SSZ) plagiogranites. The allochthonous gabbros are distinct from their autochthonous counterparts, with their mineralogy including both igneous hornblende, relict diopside rimmed by replacement hornblende and their chemical composition corresponding mostly to gabbro rather than diorite. The results of major and trace element analyses of forty-two samples, and REE analyses of nine samples, indicate that the homblende gabbros are SSZ-type and formed from a wet magma by high-degree partial melting of peridotite possibly coupled with contamination by predominantly neighbouring-slab derived fluids within an intra-oceanic back-arc basin. The mafic magmas then underwent high-level fractional crystallization involving titaniferous magnetite, diopside, tschermakite and possibly olivine. Emplacement was followed by extensive ocean-floor metamorphism, which has induced crystallization (or recrystallization) of chlorite, biotite, amphiboles and mobilisation of most of the major elements such as alkali and alkali earth elements, and some LREE. (c) 2004 Elsevier Ltd. All rights reserved.en_US
dc.identifier.doi10.1016/j.jseaes.2004.08.006en_US
dc.identifier.endpage891en_US
dc.identifier.issn1367-9120en_US
dc.identifier.issn1878-5786en_US
dc.identifier.issue6en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage883en_US
dc.identifier.urihttps://dx.doi.org/10.1016/j.jseaes.2004.08.006
dc.identifier.urihttps://hdl.handle.net/20.500.12395/19832
dc.identifier.volume25en_US
dc.identifier.wosWOS:000233352600004en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherPERGAMON-ELSEVIER SCIENCE LTDen_US
dc.relation.ispartofJOURNAL OF ASIAN EARTH SCIENCESen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectgabbroen_US
dc.subjectophioliteen_US
dc.subjectgeochemistryen_US
dc.subjectpetrologyen_US
dc.subjectcrystalline complexen_US
dc.subjectcentral Anatoliaen_US
dc.subjectTurkeyen_US
dc.titlePetrological and source region characteristics of ophiolitic hornblende gabbros from the Aksaray and Kayseri regions, central Anatolian crystalline complex, Turkeyen_US
dc.typeArticleen_US

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