Depositional Properties and Paleoclimate of a Middle-Upper Pleistocene Fan Delta Sequence in the Bor Plain, Central Anatolia, Turkey

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dc.contributor.authorBayer-Altin, Turkan
dc.contributor.authorKarakas, Zehra Semra
dc.contributor.authorAltin, Bekir Necati
dc.contributor.authorKayseri-Ozer, Mine Segul
dc.date.accessioned2024-11-07T13:32:27Z
dc.date.available2024-11-07T13:32:27Z
dc.date.issued2024
dc.departmentNiğde Ömer Halisdemir Üniversitesi
dc.description.abstractThe Bor Plain, which is located in the Middle Kizilirmak subregion of the Central Anatolia Region, extends 14 km toward the west of Nigde. The fan delta deposition system in the southwest of the Bor Plain was formed on the fault-controlled foothills of Mt. Keciboyduran. The fandelta sequence shows that a paleolake formed during a phase because of the mineralogical content and frequently changing facies. Additionally, clay minerals and herbaceous plants reflecting humid and arid climatic conditions illustrate the lake-level changes. Six changes in the lake level occurred from marine isotope stage (MIS) 7 to (MIS) 5. Three major high stands occurred in the paleolake at the lowest and middle parts of the sequence. The first high stand was a stepwise transgression between similar to 240 and similar to 230 ka., and the second high stand was between similar to 200 and similar to 195 ka. The third high stand was characterized by a short transgression at 182 ka. After this stage, the lake receded significantly at 127 and 105 ka, indicating climatic control over the water level changes. In the transition from the Middle to Late Pleistocene, a revival of volcanic activity in the Leskeri monogenic volcanic mass released volcanic material, affecting sedimentation. Volcanic rocks increase dramatically in the upper section of the fandelta during an interval that coincides with low lake-level fluctuations.
dc.identifier.doi10.26650/JGEOG2024-1295793
dc.identifier.endpage82
dc.identifier.issn1302-7212
dc.identifier.issn1305-2128
dc.identifier.issue48
dc.identifier.startpage65
dc.identifier.urihttps://doi.org/10.26650/JGEOG2024-1295793
dc.identifier.urihttps://hdl.handle.net/11480/15433
dc.identifier.wosWOS:001340207100001
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.language.isoen
dc.publisherIstanbul Univ, Fac Letters, Dept Geography
dc.relation.ispartofJournal of Geography-Cografya Dergisi
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241106
dc.subjectFan delta
dc.subjectPaleoclimate
dc.subjectMIS7
dc.titleDepositional Properties and Paleoclimate of a Middle-Upper Pleistocene Fan Delta Sequence in the Bor Plain, Central Anatolia, Turkey
dc.typeArticle

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