Browsing by Author "Yıldız, Ayşegül"
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Biostratigraphic and isotopic data on the Coreklik Member of the Hekimhan Formation (Campanian-Maastrichtian) of SE Turkey and their palaeoenvironmental significance
Yıldız, Ayşegül; Özdemir, Zeynep (Academic Press, 1999)The Coreklik Member of the Hekimhan Formation crops out in the Hekimhan (Malatya) region of SE Turkey. It includes beds that are rich in planktic and benthic foraminifera, and in calcareous nannoplankton. Eighty-eight rock ... -
Biostratigraphic and palaeoecologic study of the early Maastrichtian-Paleocene sediments in Kalecik region (Ankara-Turkey)
Yıldız, Ayşegül; Karahasan, Güher; Demircan, Huriye; Toker, Vedia (King Fahd University of Petroleum and Minerals, 1999)In this study, the Gansserina gansseri (early Maastrichtian), Morozovella pseudobuUoides, Morozovella trinidadensis (Danian), Morozovella angulata (DanianThanetian), Planorotalites pseudomenardii, Morozovella velascoensis ... -
Biostratigraphy and paleoenvironmental interpretation of the Middle Miocene submarine fan in the Adana Basin (southern Turkey)
Demircan, Huriye; Yıldız, Ayşegül (Walter de Gruyter, 2007)The turbiditic Cingöz Formation of the Karaisah-Çatalan-Eǧner region, Adana Basin, southern Turkey was studied in detail in two sections based on planktonic foraminifers, calcareous nannofossils and trace fossils. The ... -
Chronology of subduction and collision along the İzmir-Ankara suture in Western Anatolia: records from the Central Sakarya Basin
Ocakoğlu, Faruk; Hakyemez, Aynur; Açıkalın, Sanem; Altıner, Sevinç Özkan; Büyükmeriç, Yeşim; Licht, Alexis; Demircan, Huriye; Şafak, Ümit; Yıldız, Ayşegül; Yılmaz, İsmail Ömer; Wagreich, Michael; Campbell, Clay (Taylor & Francis Online, 2019)Western Anatolia is a complex assemblage of terranes, including the Sakarya Terrane and the Tauride-Anatolide Platform that collided during the late Cretaceous and Palaeogene (80–25 Ma) after the closure of the Izmir-Ankara ... -
Çorum yöresinde yüzeylenen Jura/Kretase ve Kretase/Paleosen yaşlı sedimanter kaya birimlerinin lito ve biyo fasiyes özellikleri
Akıllı, Güldane (Aksaray Üniversitesi Fen Bilimleri Enstitüsü, 2012)Çorum yöresinde 1/25000 ölçekli Çankırı-G32-c2, Çorum-G33-c2, Çorum-H34-a2 ve Çorum-G35-d3 paftalarında yer alan çalışma alanında yüzeylenen Ferhatkaya ve Malboğazı Formasyonlarından 6 adet stratigrafik kesit ölçülmüş ve ... -
Diatom communities, lithofacies characteristics and paleo environmental interpretation of pliocene diatomite deposits in the lhlara-Selime plain (Aksaray, Central Anatolia, Turkey)
Gürel, Ali; Yıldız, Ayşegül (Pergamon-Elsevıer Scıence Ltd, 2007)The present investigation uses palaeontological, sedimentological, mineralogical and chemical analyses of diatom-bearing lacustrine deposits to determine the palaeoenvironmental history of the Pliocene-age of the Ihlara-Selime ... -
Diatom communities, lithofacies characteristics and paleoenvironmental interpretation of Pliocene diatomite deposits in the Ihlara–Selime plain (Aksaray, Central Anatolia, Turkey)
Gürel, Ali; Yıldız, Ayşegül (Elsevier, 2007)The present investigation uses palaeontological, sedimentological, mineralogical and chemical analyses of diatom-bearing lacustrine deposits to determine the palaeoenvironmental history of the Pliocene-age of the Ihlara–Selime ... -
Diatom community and palaeoenvironmental properties of Karacaoren diatomite deposits (Nevşehir, Central Anatolia, Turkey)
Yıldız, Ayşegül; Gürel, Ali; Dursun, Yusuf Gökhan (Pergamon-Elsevıer Scıence Ltd, 2017)The diatom community and palaeoenvironmental properties of volcano genetic diatomite deposits that outcrop in the Karacabren (Nevehir) area are described. Two stratigraphic sections were measured in the study area. One of ... -
Distribution of microflora, meiofauna, and macrofauna assemblages in the hypersaline environment of Northeastern Aegean Sea Coasts
Bassler-Veit, Barbara; Barut, İpek F.; Meriç, Engin; Avşar, Niyazi; Nazik, Atike; Kapan Yeşilyurt, Sevinç; Yıldız, Ayşegül (Coastal Education & Research Foundation, 2013)In this study, the morphology and taxonomy of microflora (charophytes and diatoms), meiofauna (benthic foraminifera and ostracoda), and macrofauna (mollusk) assemblages of the recent surface sediments from saltpans, ... -
Drilling and core data from the Gulf of Gemlik (SE Sea of Marmara): Holocene fauna and flora assemblages
Meriç, Engin; Yümün, Zeki Ünal; Nazik, Atike; Saǧular, Enis Kemal; Yokeş, Mehmet Baki; Büyükmerıç, Yeşim; Yıldız, Ayşegül; Yavuzlar, Gülin (General Directorate of Mineral Research and Exploration (MTA), 2020)This study was conducted to determine fauna and flora assemblages of Holocene sequences from Gemlik Gulf (SE Marmara Sea) and to obtaine their similarities and differences between the assemblages of Gemlik and İzmit Bays. ... -
Eocene development of the northerly active continental margin of the Southern Neotethys in the Kyrenia Range, north Cyprus
Robertson, Alastair H. F.; McCay, Gillian A.; Taşlı, Kemal; Yıldız, Ayşegül (Cambridge University Press, 2014)We focus on an active continental margin related to northwards subduction during the Eocene in which sedimentary melange (`olistostromes') forms a key component. Maastrichtian -Early Eocene deep-marine carbonates and ... -
Fauna and flora of drilling and core data from the Iznik Lake: The Marmara and the Black Sea connection
Meriç, Engin; Nazik, Atike; Yumun, Zeki U.; Büyükmeriç, Yesim; Avşar, Niyazi; Yıldız, Ayşegül; Sagular, Enis K.; Koral, Hayrettin; Gökaşan, Erkan (Elsevier, 2018)The study deals with on the Quaternary connection of the Iznik Lake between the Gemlik Gulf and the Black Sea located in the Marmara Region. The core and drilling data were evaluated. They were collected at two locations ... -
Gökçeada-Bozcaada-Çanakkale (KD Ege Denizi) üçgenindeki dip sedimanlarında güncel diatomeler
Yıldız, Ayşegül; Toker, Vedia (2001)In this study, 100 bottom samples collected from Gökçeada-Bozcaada-Çanakkale triangle in the northeast Aegean Sea were investigated. This investigation reveals that diatoms identified in the bottom samples exist only at ... -
Kalecik (Ankara) güneydoğusu alt Maastrichtiyen-Paleosen biyostratigrafisi ve paleoekolojisi
In this study, the Gansserina gansseri (Lower Maastrichtian), Morozovella pseudobulloides, Morozovella trinidadensis (Danian), Morozovella angulata (Danian-Thanetian), Planorotalites pseudomenardii, Morozovella velascoensis ... -
Karacaören yöresi (Nevşehir) diyatomitlerinin fizikokimyasal özellikleri ve kullanım alanları
Yıldız, Ayşegül; Gürel, Ali; Dursun, Yusuf Gökhan (Maden Tetkik ve Arama Genel Müdürlüğü, 2016)Bu çalışmada, Nevşehir ili, Ürgüp ilçesi, Karacaören Yöresi’nde yüzeylenen ve Orta Anadolu Volkanizmasına bağlı olarak oluşan diyatomitlerin fizikokimyasal özellikleri ve kullanım alanları araştırılmıştır. İnceleme ... -
Karacaören yöresi'nde (Nevşehir) yüzeylenen diatomitlerin paleoortamsal özellikleri ve kullanım alanları
Dursun, Yusuf Gökhan (Aksaray Üniversitesi Fen Bilimleri Enstitüsü, 2014)Bu tez çalışmasında, Nevşehir İli, Ürgüp İlçesi, Karacaören Yöresi'nde yüzeylenen ve volkanizmaya bağlı olarak oluşan diatomitlerin paleoortamsal özellikleri ve kullanım alanları çalışılmıştır. İnceleme alanında, birisi ... -
Meiofauna, microflora and geochemical properties of the late quaternary (Holocene) core sediments in the Gulf of Izmir (Eastern Aegean Sea, Turkey)
Yümün, Zeki Ünal; Meriç, Engin; Avşar, Niyazi; Nazik, Atike; Barut, İpek F.; Yokeş, Baki; Saǧular, Enis Kemal; Yıldız, Ayşegül (PERGAMON-ELSEVIER SCIENCE, 2016)The Gulf of Izmir has seen the construction of marinas at four locations; Karsiyaka, Bayrakli, inciralti and Urla (Cesmealti). Six drilling holes have been structured for each location. Morphological abnormities observed ... -
Palaeontological, diagenetic and facies characteristics of Cretaceous/ Paleogene boundary sediments in the Ordu, Yavuzlu and Uzunisa areas, Eastern Pontides, NE Turkey
Yıldız, Ayşegül; Gürel, Ali (2005)The region discussed in this paper is located in the eastern part of the Pontide tectonic unit in north-east Turkey. From north to south it comprises the Ordu, Yavuzlu and Uzunisa areas, which form part of the Pontide ... -
Physicochemical properties and availability of Tahar-Guzeloz (Nevsehir) diatomite
Yıldız, Ayşegül; Gürel, Ali; Okutan, Dilan (Maden Tetkik Arama Genel Müdürlüğü - MTA, 2018)In this study, utilization of Tahar-Guzeloz (Nevsehir) diatomites occurring within the late Miocene-Pliocene age vocanosedimentary units which formed due to volcanism and outcropping in Tahar and Guzeloz (Nevsehir) areas ... -
Planktonic foraminifera and calcareous nannofossils record in the upper Campanian-Maastrichtian pelagic deposits of the Malatya Basin in the Hekimhan area (NW Malatya, eastern Anatolia)
Sarı, Bilal; Yıldız, Ayşegül; Korkmaz, Taner; Petrizzo, Maria Rose (Academic Press, 2016)The uppermost Cretaceous (upper Campanian-Maastrichtian) pelagic successions from the Malatya Basin (NW Malatya, eastern Anatolia) were studied by 688 samples, which were collected from five strati graphic sections in the ...
