Please use this identifier to cite or link to this item: https://hdl.handle.net/11499/8672
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dc.contributor.authorSemiz, Barış-
dc.contributor.authorÇoban, H.-
dc.contributor.authorRoden, M.F.-
dc.contributor.authorÖzpinar, Y.-
dc.contributor.authorFlower, M.F.J.-
dc.contributor.authorMcGregor, H.-
dc.date.accessioned2019-08-16T12:44:41Z
dc.date.available2019-08-16T12:44:41Z
dc.date.issued2012-
dc.identifier.issn0024-4937-
dc.identifier.urihttps://hdl.handle.net/11499/8672-
dc.identifier.urihttps://doi.org/10.1016/j.lithos.2012.01.005-
dc.description.abstractMineral assemblages of both cognate inclusions and host-lamprophyres with lamproitic affinity in Kocapinar district (Denizli), Western Anatolia, consist of phlogopitic mica, diopsidic clinopyroxene, K-feldspar, apatite, opaque and carbonates (calcite-dolomite). Two distinct types of cognate inclusions have been defined in host lamprophyres: clinopyroxene-rich (CCI) and clinopyroxene-phlogopite-rich (CPCI). Whole-rock compositions of inclusions show a near-primitive nature with high MgO (7.56-15.1wt.%), Cr (195-2270ppm), Ni (213-335ppm) contents and a potassic character [K 2O (2.0-2.8wt.%)>Na 2O (0.4-2.2wt.%)]. Data imply that the inclusions crystallized from magmas formed by melting of phlogopite-bearing pyroxenites in a peridotitic mantle source, however, the presence of reverse-zoning in clinopyroxenes with salitic Fe-rich green cores in host-lamprophyres and CPCI inclusions suggest that the Denizli lavas represent mixtures of distinct (probably ultrapotassic and alkali basaltic) magmas. Estimated geobarometric constraints inferred from clinopyroxene compositions in CCI and CPCI inclusions indicate moderate pressures of pyroxene crystallization (ranging between 1.7 and 2.2GPa and corresponding to 53-70km depths) under low pressure magma fractionation. Results reveal that i) the origin of Denizli lamprophyres with transitional (between arc-type and intra-plate-type) geochemical signatures is consistent with a shallow level mantle petrogenesis, rather than a deep-seated origin related to mantle convection, ii) the source was a highly refractory and metasomatized peridotitic mantle present at the base of the lower crust, iii) metasomatic agents that affected the mantle lithosphere beneath Denizli region are distinct from those beneath other western Anatolia orogenic centers, and iv) the transitional character of Kocapinar (Denizli) lamprophyric rocks were probably formed as a result of either underplating or contamination of asthenospheric magma at the base of the mantle lithosphere, or assimilation of delaminated continental edge-lithospheric mantle via ascending asthenosphere. Denizli lamprophyres are interpreted to have formed during the formation of a basin/graben structure in the Latest Miocene-Early Pliocene, just after Late Miocene exhumation of Menderes massif. © 2012 Elsevier B.V.en_US
dc.language.isoenen_US
dc.relation.ispartofLithosen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCognate inclusionsen_US
dc.subjectDenizli lamprophyresen_US
dc.subjectGreen-core clinopyroxeneen_US
dc.subjectPotassic rocksen_US
dc.subjectWestern anatoliaen_US
dc.subjectclinopyroxeneen_US
dc.subjectcrystallizationen_US
dc.subjectgeobarometryen_US
dc.subjectlamproiteen_US
dc.subjectlow pressureen_US
dc.subjectmagmaen_US
dc.subjectmantle processen_US
dc.subjectmantle sourceen_US
dc.subjectmeltingen_US
dc.subjectmetasomatismen_US
dc.subjectMioceneen_US
dc.subjectperidotiteen_US
dc.subjectPlioceneen_US
dc.subjectpotassic rocken_US
dc.subjectDenizli [Turkey]en_US
dc.subjectTurkeyen_US
dc.titleMineral composition in cognate inclusions in Late Miocene-Early Pliocene potassic lamprophyres with affinities to lamproites from the Denizli region, Western Anatolia, Turkey: Implications for uppermost mantle processes in a back-arc settingen_US
dc.typeArticleen_US
dc.identifier.volume134-135en_US
dc.identifier.startpage253
dc.identifier.startpage253en_US
dc.identifier.endpage272en_US
dc.authorid0000-0003-1263-4599-
dc.identifier.doi10.1016/j.lithos.2012.01.005-
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.scopus2-s2.0-84857195309en_US
dc.identifier.wosWOS:000301762300015en_US
dc.identifier.scopusqualityQ1-
dc.ownerPamukkale University-
item.cerifentitytypePublications-
item.grantfulltextnone-
item.openairetypeArticle-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.languageiso639-1en-
item.fulltextNo Fulltext-
crisitem.author.dept10.08. Geological Engineering-
Appears in Collections:Mühendislik Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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