Geology of Late Miocene clayey sediments and distribution of palaeosol clay minerals in the north-eastern part of the Cappadocian Volcanic Province (Arapli-Erdemli), central Anatolia, Turkey

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dc.contributor.authorKadir, Selahattin
dc.contributor.authorGurel, Ali
dc.contributor.authorSenem, Hulya
dc.contributor.authorKulah, Tacit
dc.date.accessioned2019-08-01T13:38:39Z
dc.date.available2019-08-01T13:38:39Z
dc.date.issued2013
dc.departmentNiğde ÖHÜ
dc.description.abstractThe study area is situated in the Arapli-Erdemli (Kayseri) area in the north-eastern part of the Cappadocian Volcanic Province (CVP), central Anatolia. The Late Miocene series comprises lacustrine and fluvial deposits interbedded with ignimbrites and lava flows. The Late Miocene Mustafapasa member of the Urgup Formation comprises yellow to red mudstone that alternates with thin sandstone beds in the north-eastern part of the CVP. This unit continues upward through the Cemilkoy ignimbrite palaeosol layers (comprising altered Cemilkoy ignimbrite, vertisol and well-developed palaeosol layers), the Gordeles ignimbrite and red palaeosol layers, and includes two fallout levels; it is overlain by the Kizilkaya ignimbrite. The Mustafapasa member is dominated by smectite +/- illite +/- chlorite, whereas the altered Cemilkoy ignimbrite is predominantly kaolinite +/- smectite +/- chlorite. The underlying lower level of the Gordeles ignimbrite contains palaeosol layers, and continues upward through smectite-dominated layers. Alteration of feldspars and glass shards in the Cemilkoy and Gordeles ignimbrites resulted in the depletion of soluble alkaline elements (such as Ca, Na and K) from these ignimbrites downward to the Mustafapasa member, and palaeosol levels (Bayramhacili member) in the Arapli area favoured precipitation of smectite in an alkaline environment. However, the absence of these elements in these ignimbrites may have resulted in the enhancement of Al+Fe/Si-favoured precipitation of kaolinite in an acidic environment. Conversely, palaeosol of the Erdemli area consists of smectite +/- illite +/- chlorite. Micromorphologically, flaky smectite rims illite in both the Arapli and Erdemli areas and this can be explained by the release of K and Al during desorption of feldspar. Additionally, higher Ni, Co and Cr2O3 values in the mudstone samples of the Mustafapasa member and palaeosol levels, the presence of iron oxide and partially chloritised pyroxene and hornblende, together with ophiolitic and metamorphic grains, indicate that the basin also accumulated ophiolitic and metamorphic rock fragments in its sediment supply. This suggests that the Arapli area in the southern part of the CVP has undergone erosion, and that the present-day Erdemli area was close to the shallow-lake depositional environment of the northern part of CVP.
dc.description.sponsorshipScientific and Technical Research Council of Turkey (TUBITAK) [104Y070]
dc.description.sponsorshipThis study was supported financially by the Scientific and Technical Research Council of Turkey (TUBITAK) in the framework of Project No. 104Y070. The authors are indebted to the anonymous reviewers and the editors for their extremely careful and constructive reviews, comments and suggestions which significantly improved the quality of the paper.
dc.identifier.doi10.3906/yer-1112-1
dc.identifier.endpage443
dc.identifier.issn1300-0985
dc.identifier.issue3
dc.identifier.scopus2-s2.0-84878432428
dc.identifier.scopusqualityQ2
dc.identifier.startpage427
dc.identifier.urihttps://dx.doi.org/10.3906/yer-1112-1
dc.identifier.urihttps://hdl.handle.net/11480/4482
dc.identifier.volume22
dc.identifier.wosWOS:000318968600006
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthor[0-Belirlenecek]
dc.language.isoen
dc.publisherSCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY-TUBITAK
dc.relation.ispartofTURKISH JOURNAL OF EARTH SCIENCES
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectPalaeosol
dc.subjectignimbrite
dc.subjectsmectite
dc.subjectkaolinite
dc.subjectcentral Anatolia
dc.titleGeology of Late Miocene clayey sediments and distribution of palaeosol clay minerals in the north-eastern part of the Cappadocian Volcanic Province (Arapli-Erdemli), central Anatolia, Turkey
dc.typeArticle

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