Hydrothermal Alteration of the Saplica Volcanic Rocks, Sebinkarahisar, Turkey

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dc.contributor.authorKarakaya, Necati
dc.contributor.authorÇelik Karakaya, Muazzez
dc.date.accessioned2020-03-26T16:37:11Z
dc.date.available2020-03-26T16:37:11Z
dc.date.issued2001
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractA widespread, intense hydrothermal alteration zone has: developed in the Cretaceous Saplica volcanics as a result of the intrusion of Late Cretaceous-Paleocene granitoids. The propylitic, phyllitic (sericitic), and argillic alteration along with hematite, silica polymorphs, and two types of tourmaline mineralization developed under a wide range of Eh and pH conditions. Alunite, kaolinite, and silica are abundant in the argillic alteration, whereas sericite dominates in the phyllic alteration. Most of the major alunite deposits are located along the periphery of the Saplica volcanic rocks and in addition contain alunite, kaolinite + quartz +/- opal +/- cristobalite. Illite and pyrite, barite, and gypsum also occur in small amounts. Major and trace elements are concentrated in, or were leached from, the volcanic rocks, depending upon the alteration types. In general, Al + K and Mg + Ca + Fe were enriched in the alunitic + sericitic and propylitic alteration types, respectively. On the other! hand, Ca, Mg, and Fe were leached during argillic alteration, and Fe was concentrated in hematite formation. Strong leaching of Na was determined for alteration types. Silica generally decreased in argillitic (kaolinitic and alunitic) alteration zones. Most trace elements were mobile during hydrothermal alteration. Y, Sc, Mo, Cr, Co, Ni, and Zn tend to be mobile in acid aqueous systems, and thus are nearly absent in these alunitic alteration zones. In the surrounding kaolinitic envelope, these elements are present at background (average) or slightly higher concentrations. Rb and Sr contents are high in the alunitic and kaolinitic zones. Barium is highest near the alunite zone because of the relative insolubility of barite in acidic solutions. Pb and Cu contents increase in the propylitic zone. Such hydrothermal alteration zones can be used effectively in the exploration and evaluation of mineral resources of the eastern Black Sea region.en_US
dc.identifier.citationKarakaya, N., Çelik Karakaya, M., (2001). Hydrothermal Alteration of the Saplica Volcanic Rocks, Sebinkarahisar, Turkey. International Geology Review, 43(10), 953-962. Doi: 10.1080/00206810109465059
dc.identifier.doi10.1080/00206810109465059en_US
dc.identifier.endpage962en_US
dc.identifier.issn0020-6814en_US
dc.identifier.issn1938-2839en_US
dc.identifier.issue10en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage953en_US
dc.identifier.urihttps://dx.doi.org/10.1080/00206810109465059
dc.identifier.urihttps://hdl.handle.net/20.500.12395/17558
dc.identifier.volume43en_US
dc.identifier.wosWOS:000174337400007en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorKarakaya, Necati
dc.institutionauthorÇelik Karakaya, Muazzez
dc.language.isoenen_US
dc.publisherTaylor & Francis Incen_US
dc.relation.ispartofInternational Geology Reviewen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.titleHydrothermal Alteration of the Saplica Volcanic Rocks, Sebinkarahisar, Turkeyen_US
dc.typeArticleen_US

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