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dc.contributor.authorKangal, Ozgen
dc.contributor.authorOzgen Erdem, Nazire
dc.contributor.authorVarol, Baki Erdogan
dc.date.accessioned2019-07-27T12:10:23Z
dc.date.accessioned2019-07-28T09:44:17Z
dc.date.available2019-07-27T12:10:23Z
dc.date.available2019-07-28T09:44:17Z
dc.date.issued2017
dc.identifier.issn1300-0985
dc.identifier.urihttps://dx.doi.org/10.3906/yer-1606-7
dc.identifier.urihttps://hdl.handle.net/20.500.12418/7007
dc.descriptionWOS: 000405288200002en_US
dc.description.abstractThe Sivas Cenozoic Basin and coeval Central Anatolian basins such as Cankiri and Tuz Golu are characterized by both marine and terrestrial sediments ranging in age from the Eocene to early Miocene. The evaporite regime here generally appeared during the late stage of Eocene transgression and persisted through the Oligocene time. However, marine-induced Oligocene evaporites are less known because of less paleontological evidence and regional tectonics and salt diapirism that mostly caused the destruction of their original stratigraphic positions. The Egribucak area studied here, located about 25 km southeast of Sivas, provides a well-stratified key section to shed light on the depositional history of the Oligocene marine evaporite (coastal lagoon or sabkha complex) and other associated carbonate and siliciclastic units. The Egribucak succession has a thickness of approximately 400 m and rests on thick fluviatile sediments commencing with red beds (mudstone, sandstone, and gravelly sandstone), and upwards, terrestrial gypsums are present within the red units as thin beds that are overlain by thick marine gypsum beds with rhythmical alternations of gray and green colored sandstone-marly limestone and limestone. The limestones alternating with the thick gypsum beds are rich in benthic foraminifers yielding a Rupelian-Chattian age. At the top of the section evaporites disappeared and lagoon-type limestone turned into thick platform carbonate dated as Oligocene-early Miocene. The Egribucak succession shows a wide variety of depositional environments ranging from terrestrial to restricted marine to open marine from bottom to top. The short periods of the lithological alternations from siliciclastic to carbonate and evaporite indicate that the evaporite environment was not consistent through the Oligocene period. This would be formed as a marginal evaporite environment, presumably a coastal lagoon/sabkha affected by seasonal variations with arid and humid periods as well as eustatic sea-level changes. The Oligocene transgression culminated in the area with the deposition of platform-type carbonates and it continued during the early Miocene.en_US
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TUBITAK) [CAYDAG-109Y041]en_US
dc.description.sponsorshipThe study in the Sivas Basin was financially supported by the grants to the project number CAYDAG-109Y041 from the Scientific and Technological Research Council of Turkey (TUBITAK). The authors are thankful to Serkan Akkiraz and the other anonymous reviewer for their constructive comments which helped us to improve the manuscript. We also would like to thank Sarp Tuncoku for linguistic improvement of the text.en_US
dc.language.isoengen_US
dc.publisherSCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY-TUBITAKen_US
dc.relation.isversionof10.3906/yer-1606-7en_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectTerrestrial-marine transitionen_US
dc.subjectsiliciclastic-carbonate-evaporite transitionsen_US
dc.subjectOligocene evaporitesen_US
dc.subjectEgribucak sectionen_US
dc.subjectSivas Basinen_US
dc.titleDepositional stages of the Egribucak inner basin (terrestrial to marine evaporite and carbonate) from the Sivas Basin (Central Anatolia, Turkey)en_US
dc.typearticleen_US
dc.relation.journalTURKISH JOURNAL OF EARTH SCIENCESen_US
dc.contributor.department[Kangal, Ozgen -- Ozgen Erdem, Nazire] Cumhuriyet Univ, Dept Geol Engn, Sivas, Turkey -- [Varol, Baki Erdogan] Ankara Univ, Dept Geol Engn, Ankara, Turkeyen_US
dc.identifier.volume26en_US
dc.identifier.issue2en_US
dc.identifier.endpage146en_US
dc.identifier.startpage127en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US


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