Diatom communities, lithofacies characteristics and paleoenvironmental interpretation of Pliocene diatomite deposits in the Ihlara–Selime plain (Aksaray, Central Anatolia, Turkey)

Gürel, Alı; Yıldız, Alptekin

doi:10.1016/j.jseaes.2006.07.015

Cited by 29 publications

(15 citation statements)

References 22 publications

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“…In Bulgaria in the species is described from Miocene strata and also in younger ones (Ognjanova-Rumenova 1996). The species has been found in the Pliocene of Turkey (Gürel and Yildiz 2007), Greece (Owen et al 2010) and East Africa (Gasse 1986). …”

Section: Features Of Cyclotella Iris Brun and Heribaud 1893mentioning

confidence: 99%

Geology and paleontology of Tresjuncos (Cuenca, Spain), a new diatomaceous deposit with Konservat-Lagerstätte characteristics from the European late Miocene

et al. 2017

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Purpose A new Iberian Konservat-Lagerstätte discovered in Tresjuncos (Cuenca, Spain) is described and interpreted based on geological and paleontological information.Methods The samples were studied using conventional mineralogical (powder X-ray diffraction), petrographic (optical and scanning electron microscopy) and geochemical (X-ray energy-dispersive spectrometry) techniques.Results Based upon geological context, stratigraphy, lithology, sedimentology and origin of the rocks, we describe and interpret the new fossil site as originated in a lacustrine environment. The micromammals found in the Tresjuncos 1 outcrop suggest that the main site is Turolian in age (uppermost Miocene), continental chronological unit MN13. The fossils are preserved in laminates comprising rhythmic, millimeterscale alternations of diatomites and calcareous diatomites. An analysis of the lake paleobiota includes amphibians, crustaceans, insects, plants, and diatoms. The diatoms are dominated by Cyclotella iris. The whole assemblage is indicative of a planktic community developed in somewhat alkaline waters. An extremely well preserved premetamorphic Pelobates (Pelobatidae) tadpole was discovered; it is remarkable because of its gigantic size. Its digestive tract predominantly contains the rare diatom Navicula halionata var directa, likely associated with the shore vegetation in which it presumably lived and fed. The arthropods form a typical lacustrine aquatic assemblage, lacking fish. This assemblage is made up of small filtering crustaceans and of both predator and non-predator insects of diverse sizes. This is the manuscript version of / Postprint del artículo: Journal of Iberian Geology 43(3): 395-411 (2017) This manuscript version is made available under the license / Permitido su uso bajo licencia: http:// creativecommons.org/licenses/by/4.0/ ConclusionsThe available evidence on Tresjuncos shows the extraordinary potential for paleontological information that can be expected from this new Konservat-Lagerstätte, which constitutes a significant finding that improves our understanding of continental late Miocene Mediterranean environments.Keywords Diatomites, Lacustrine, Tadpole, Arthropods, Micromammals, Turolian ResumenPropósito Se describe e interpreta un nuevo Konservat-Lagerstätte Ibérico descubierto en Tresjuncos (Cuenca, España) a partir de información geológica y paleontológica.Métodos Las muestras se han estudiado utilizando metodologías convencionales mineralógicas (difracción de rayos X) petrográficas (microscopía óptica y electrónica) y geoquímicas (Espectrometría de energía dispersiva de rayos X).Resultados Basados en el contexto geológico, estratigrafía, litología, sedimentología y origen de las rocas, describimos e interpretamos la nueva localidad fósil como originada en un ambiente lacustre. Los micromammíferos encontrados en el afloramiento de Tresjuncos 1 sugieren una edad Turoliense (Mioceno superior), unidad cronológica continental MN13. Los fósiles se conservan en laminaciones que comprenden alternancia...

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Section: Features Of Cyclotella Iris Brun and Heribaud 1893mentioning

confidence: 99%

Geology and paleontology of Tresjuncos (Cuenca, Spain), a new diatomaceous deposit with Konservat-Lagerstätte characteristics from the European late Miocene

et al. 2017

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“…Consistent with this worldwide pattern, the mineralogy, petrography, and geochemistry of volcanic and pyroclastic rocks (especially ignimbrites) and the tectonics of the Cappadocian Volcanic Province (CVP) have been studied by many researchers (Beekman, 1966;Pasquaré, 1968;Innocenti et al, 1975;Pasquaré et al, 1988;Temel, 1992;Göncüoğlu and Toprak, 1992;Le Pennec et al, 1994, 2005Schumacher and Mues-Schumacher, 1996;Toprak, 1996Toprak, , 1998Schumacher and Schumacher, 1997;Temel et al, 1998;Dirik, 2001;ViereckGoette et al, 2010). In this region, the volcano-sedimentary rocks and associated palaeosols and calcretes have received little attention (Le Pennec et al, 2005;Gürel and Kadir, 2006Gürel and Yıldız, 2007;Gürel, 2009;Yavuz-Işık and Toprak, 2010;Kadir et al, 2013). Additionally, no information has been provided concerning the local palaeoclimates, and the effects of the Messinian Salinity Crisis on terrestrial areas surrounding the Mediterranean Sea are currently a matter of discussion.…”

Section: Introductionmentioning

confidence: 99%

Geology, mineralogy, geochemistry, and depositional environment of a Late Miocene/Pliocene fluviolacustrine succession, Cappadocian Volcanic Province, central Anatolia, Turkey

Göz¹,

Kadır²,

Gürel³

et al. 2014

Turkish J Earth Sci

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has been provided concerning the local palaeoclimates, and the effects of the Messinian Salinity Crisis on terrestrial areas surrounding the Mediterranean Sea are currently a matter of discussion. Therefore, the goals of this paper are to describe the mineralogy, geochemistry, and depositional environment of the Late Miocene/Pliocene fluviolacustrine deposits and associated palaeosols and calcretes within the CVP and to interpret the palaeoenvironmental and palaeoclimatic evolution data.

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“…Diatomite in this region was deposited in the Upper Miocene-Pliocene freshwater lacustrine basin (Gürel and Yıldız, 2007) through the effect of volcano-sedimentary processes which produced SiO 2 -rich solutions. These solutions were mobilized by diatoms to construct their skeletons.…”

Section: Introductionmentioning

confidence: 99%

Improvement in filtration characteristics of diatomite by calcination

Ediz

Bentli

Tatar

2010

International Journal of Mineral Processing

124

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Diatom communities, lithofacies characteristics and paleoenvironmental interpretation of Pliocene diatomite deposits in the Ihlara–Selime plain (Aksaray, Central Anatolia, Turkey)

Cited by 29 publications

References 22 publications

Geology and paleontology of Tresjuncos (Cuenca, Spain), a new diatomaceous deposit with Konservat-Lagerstätte characteristics from the European late Miocene

Geology and paleontology of Tresjuncos (Cuenca, Spain), a new diatomaceous deposit with Konservat-Lagerstätte characteristics from the European late Miocene

Geology, mineralogy, geochemistry, and depositional environment of a Late Miocene/Pliocene fluviolacustrine succession, Cappadocian Volcanic Province, central Anatolia, Turkey

Improvement in filtration characteristics of diatomite by calcination

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