Mineralogical, petrological, and geochemical characteristics of Şenkaya Chrysoprase, Turkey

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dc.contributor.authorSelim, H. Haluk
dc.contributor.authorGüçtekin, Aykut
dc.contributor.authorŞahin, Ferhan
dc.contributor.authorKaya, Mustafa
dc.contributor.authorTanç Kaya, Beril
dc.contributor.authorGüner, Elanur
dc.contributor.authorTaş, K. Ömer
dc.contributor.authorKarakaş, Ahmet
dc.contributor.authorKantarçeken, Yasemin
dc.date.accessioned2023-01-19T12:07:52Z
dc.date.available2023-01-19T12:07:52Z
dc.date.issued2022en_US
dc.departmentEnstitüler, Fen Bilimleri Enstitüsü, Mücevherat Mühendisliği Ana Bilim Dalıen_US
dc.description.abstractŞenkaya chrysoprase is a gemstone and can be found near the Turnalı village located in the west-northwest of Şenkaya (Erzurum) county in the uplifted Kırdağ of Northeast Anatolia of Turkey. Chrysoprase only found in Şenkaya County and known with the same name commercially in Turkey is a light-dark green and cryptocrystalline structure gemstone encountered in the Örükyayla Mélange. Samples were collected from the field for defining mineralogical-petrographical, XRD, XRF, ICP-MS, optical cathodoluminescence microscopy (OCLM), FTIR-Raman and stable isotopic properties of Şenkaya chrysoprase. According to mineralogical and petrographic examination, Şenkaya chrysoprase has generally heterogeneous color distribution in macroscale and has 5 Mohs mineral hardness. Microquartz filling (10%–15%) was seen in the microexamination with serpentine as main component with partly massive opal type silica. The XRF analyses indicate that many samples had high SiO2 values (91.45–94.38 wt%). As a result of trace elements, rare earth elements, Au-Pt group analyses using ICP-MS, Ni (167–387 ppm) and Co (12.57–74.78 ppm) values are quite remarkable. In the OCLM studies, few metallic minerals which could produce CL and could spread CL in different colors due to some trace activator elements were observed. Oxygen isotopic (?18OV-SMOW ) values obtained from three chrysoprase samples are 24.8‰, 27.7‰ and 30.63‰, respectively and mean formation temperature is 96–99oC.en_US
dc.identifier.doi10.3906/yer-2108-17en_US
dc.identifier.endpage207en_US
dc.identifier.issue2en_US
dc.identifier.scopus2-s2.0-85132492960en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage193en_US
dc.identifier.trdizinid521987en_US
dc.identifier.urihttps://hdl.handle.net/11467/6095
dc.identifier.urihttps://doi.org/10.3906/yer-2108-17
dc.identifier.volume31en_US
dc.identifier.wosWOS:000771923200001en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakTR-Dizinen_US
dc.language.isoenen_US
dc.publisherTUBITAKen_US
dc.relation.ispartofTurkish Journal of Earth Sciencesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/embargoedAccessen_US
dc.subjectGemstone; ophiolitic mélange; Şenkaya chrysopraseen_US
dc.titleMineralogical, petrological, and geochemical characteristics of Şenkaya Chrysoprase, Turkeyen_US
dc.typeArticleen_US

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