Geological evolution of a tectonic and climatic transition zone: the Beysehir-Sugla basin, lake district of Turkey

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dc.authoridKoc, Koray/0000-0003-1065-7973
dc.authoridYedek, Ozgur/0000-0002-9168-246X
dc.authoridGurbuz, Esra/0000-0001-6105-2291
dc.authoridGURBUZ, ALPER/0000-0002-8448-9629
dc.contributor.authorGurbuz, Alper
dc.contributor.authorKazanci, Nizamettin
dc.contributor.authorHakyemez, H. Yavuz
dc.contributor.authorLeroy, Suzanne A. G.
dc.contributor.authorRoberts, Neil
dc.contributor.authorSarac, Gercek
dc.contributor.authorErgun, Zeynep
dc.date.accessioned2024-11-07T13:35:28Z
dc.date.available2024-11-07T13:35:28Z
dc.date.issued2021
dc.departmentNiğde Ömer Halisdemir Üniversitesi
dc.description.abstractCentral-west Turkey is a transition zone both tectonically and climatically between the quite different central and western regions of Anatolia. Central Anatolia represents the seismically quiet part of the otherwise highly active Turkey. On the other hand, this region has some of the lowest precipitation and highest evaporation ratios of Turkey. Conversely, west Anatolia is one of the most rapidly extending regions of the world and seismically very active. The climate is very different from the central part of Turkey and more humid. The zone between these two regions is also known geologically as the Isparta Angle. This reverse-V-shaped fold and thrust belt has several lake basins today, which have archived the geological and geomorphological history of this tectonic and climatic transition zone. The Beysehir-Sugla basin is located on the eastern part of this zone. This NW-SE trending basin includes the largest natural freshwater lake of the Mediterranean region: Lake Beysehir. Lakes Beysehir and Sugla are located in this tectonic depression that discharge into an incised river gorge opening to the Konya closed basin. In order to shed light on the development of the Beysehir-Sugla basin, our study was mainly conducted within the Neogene and Quaternary units of the region. Our structural results indicate that the depression was probably formed by a transtensional regime in the middle Miocene, which is controlled by extensional tectonics since the early Quaternary. Also, the current depression has mainly embodied the structures that are the products of these tectonic phases. According to our sedimentary data and palaeoecological interpretation of available palaeontological data, the Beysehir-Sugla basin was developed initially under a humid and warm climate in the middle Miocene; then since the late Miocene-Pliocene it was controlled by a relatively more arid and, at times, humid climate more like the central Anatolian basins. Although the Beysehir-Sugla basin is hydrologically connected to the Konya closed basin in central Anatolia, it was protected from arid climatic conditions for over millions of years as evidenced by the lack of evaporites in the studied basin and surrounding basins located in the interior part of the Isparta Angle. While the regional climate seems to have changed consistently with the geomorphic response to large-scale tectonics (i.e. orographic barrier development), the Beysehir-Sugla basin seems to be protected from hydrological closure by the existence of karstic features in the surrounding carbonate basement rocks.
dc.description.sponsorshipAnkara University Scientific Research Projects Unit (AuBAP) [12B4343002]; Scientific and Technological Research Council of Turkey (TuBTAK) [BDEB2211-A]
dc.description.sponsorshipThis study was funded by the Ankara University Scientific Research Projects Unit (AuBAP, Grant No: 12B4343002). E.G. acknowledges support from the Scientific and Technological Research Council of Turkey (TuBTAK, BDEB2211-A). The authors would like to thank F. Sarolu (JEMRKO) for fruitful discussions in the office, and Y. Suludere (JEMRKO), S. oncel (GTu), o. leri (MTA) and M. Kibar (Au) for discussions in the field, S. Karada, L. Ata and S. unal (BoE) for their hospitality during our field studies, and four anonymous reviewers for their constructive comments and suggestions that significantly improved the quality of the manuscript.
dc.identifier.doi10.1007/s00531-021-02007-x
dc.identifier.endpage1107
dc.identifier.issn1437-3254
dc.identifier.issn1437-3262
dc.identifier.issue3
dc.identifier.scopus2-s2.0-85102386409
dc.identifier.scopusqualityQ1
dc.identifier.startpage1077
dc.identifier.urihttps://doi.org/10.1007/s00531-021-02007-x
dc.identifier.urihttps://hdl.handle.net/11480/16526
dc.identifier.volume110
dc.identifier.wosWOS:000626818500001
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofInternational Journal of Earth Sciences
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241106
dc.subjectNeogene
dc.subjectQuaternary
dc.subjectCentral-west Anatolia
dc.subjectIsparta Angle
dc.subjectFluvio-lacustrine environment
dc.subjectTranstension
dc.subjectGraben
dc.subjectKarst
dc.titleGeological evolution of a tectonic and climatic transition zone: the Beysehir-Sugla basin, lake district of Turkey
dc.typeArticle

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