Chlorine degassing constrained by cosmogenic 36Cl and radiocarbon dating of early Holocene rhyodacitic lava domes on Erciyes stratovolcano, central Turkey

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dc.contributor.authorSarıkaya M.A.
dc.contributor.authorÇiner A.
dc.contributor.authorZreda M.
dc.contributor.authorŞen E.
dc.contributor.authorErsoy O.
dc.date.accessioned2019-08-01T13:38:39Z
dc.date.available2019-08-01T13:38:39Z
dc.date.issued2019
dc.departmentNiğde ÖHÜ
dc.description.abstractThe Erciyes stratovolcano in central Turkey has several young rhyodacite lava domes that show evidence of clear exposure histories but have hitherto unknown ages. We collected 27 surface samples from three volcanic domes namely Karagüllü Perikartın and Dikkartın for cosmogenic 36Cl dating. The Perikartın eruption generated a pyroclastic flow, which buried trees that were converted to charcoal. The radiocarbon (14C) dating yielded an average age of 9728 ± 110 cal. years B.P. (calibrated using Calib 7.1). We analyzed the cosmogenic 36Cl ages, however, were found that they were probably affected by Cl degassing of the magma. Our study suggests that the radiocarbon age indeed lies between the 0% Cl degassing (6.8 ± 0.5 ka, under nucleogenic 36Cl equilibrium) and the 100% degassing conditions (9.9 ± 0.6 ka, under nucleogenic 36Cl disequilibrium), which implies a partial Cl degassing (93%) during the eruption. This value is somewhat higher than earlier estimates and the difference may result from the miscalculated nucleogenic and/or low-energy neutron production of 36Cl, uncertainties arising from the corrections due to hydrogen-rich cover (i.e., snow) of lava surfaces or due to unconsidered geological complications. Our findings provide a novel approach to estimate the Cl degassing on young lavas and deliver a new evidence of the Holocene volcano-chronology of the central Anatolia. © 2018 Elsevier B.V.
dc.description.sponsorshipThis work is supported by the Scientific and Technological Research Council of Turkey (TUBİTAK, project numbers 101Y002 and 107Y069 ) granted to A.Ç. and the US National Science Foundation (Grant 0115298 ) granted to M.Z. We thank A. M. Celal Şengör (İstanbul Technical University) for translating the ancient Greek to English from Strabo's book of Geography. We thank to reviewers Fred M. Phillips and Silke Mechernich and editor Heidy Mader for their help that substantially improved this paper. Appendix A
dc.identifier.doi10.1016/j.jvolgeores.2018.11.029
dc.identifier.endpage275
dc.identifier.issn0377-0273
dc.identifier.scopus2-s2.0-85058460246
dc.identifier.scopusqualityQ1
dc.identifier.startpage263
dc.identifier.urihttps://dx.doi.org/10.1016/j.jvolgeores.2018.11.029
dc.identifier.urihttps://hdl.handle.net/11480/1560
dc.identifier.volume369
dc.identifier.wosWOS:000456887500018
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthor[0-Belirlenecek]
dc.language.isoen
dc.publisherElsevier B.V.
dc.relation.ispartofJournal of Volcanology and Geothermal Research
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectAnatolian volcanism
dc.subjectCappadocia
dc.subjectCl degassing
dc.subjectCosmogenic 36Cl
dc.subjectNucleogenic 36Cl
dc.subjectRadiocarbon
dc.titleChlorine degassing constrained by cosmogenic 36Cl and radiocarbon dating of early Holocene rhyodacitic lava domes on Erciyes stratovolcano, central Turkey
dc.typeArticle

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