İsmail Ömer Yılmaz

Department of Geological Engineering
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‘Filament’ marker beds in the Karababa-A Member (Turonian) of the Arabian platform, SE Turkey: Palaeo-environmental significance, stratigraphy and correlation potential
Mülayim, O.; Yılmaz, İsmail Ömer; SARI, BİLAL; Ferré, B. (2021-04-01)
A ‘filament’ event bed/level corresponds to the occurrence of thin elongate calcitic, shells, or plates of pelagic, bivalve or crinoidal, origin, within pelagic, laminated and organic-matter rich limestones. These organic-...
First record of late Campanian paieoceanographic and paieociimatic changes, Arabian platform, Mazidag-Mardin area, SE Turkey
Yılmaz, İsmail Ömer; Altıner, Sevinç; Kvacek, Jiri (2021-03-01)
The sedimentology, geochemistry and paleontology of the pelagic upper Campanian Maastrichtian Bozova Formation in the "Mazidag" (Mazidagi) - Mardin area, SE Turkey, reveal paleoceanographic and paleoecological changes for ...
Micropalaeontology, biostratigraphy, and depositional setting of the mid-Cretaceous Derdere Formation at Derik, Mardin, south-eastern Turkey
Simmons, Michael D.; Vicedo, Vicent; Yılmaz, İsmail Ömer; Hosgor, Izzet; Mulayim, Oguz; SARI, BİLAL (2020-11-01)
The micropalaeontology of the mid-Cretaceous Derdere Formation (Mardin Group) from outcrops close to the town of Derik in south-eastern Turkey is described here. In thin sections from the carbonates that form the majority ...
Reservoir heterogeneity of Ordovician sandstone reservoir (Bedinan Formation, SE Turkey): Diagenetic and sedimentological approachs
Yildiz, Gokay; Yılmaz, İsmail Ömer (Elsevier BV, 2020-08-01)
The sandstone-bearing reservoir levels (Bedinan Formation) in the Diyarbakir Basin, SE Turkey show strong heterogeneity in porosity, permeability and capillary pressure, which influences oil production rates of the studied...
A Cenomanian-Santonian rudist-bearing carbonate platform on the northern Arabian Plate, Turkey: facies and sequence stratigraphy
Mulayim, Oguz; Yılmaz, İsmail Ömer; Ozer, Sacit; SARI, BİLAL; TASLI, Kemal (Elsevier BV, 2020-06-01)
Recent studies have shown that Cenomanian-Santonian carbonate sedimentary rocks rich in rudists are widespread throughout southeastern Turkey. The Derdere and Karababa formations have been analysed in the Sabunsuyu section...
Late Cretaceous stratigraphy in the Mudurnu-Goynuk Basin (Turkey) and inferences on sea-level change in the Late Campanian to Early Maastrichtian
Wolfgring, Erik; Wagreich, Michael; Yılmaz, İsmail Ömer; Liu Shasha, Liu Shasha; Boehm, Katharina (Geological Society of London, 2020-01-01)
Upper Cretaceous strata at Goynuk, northwestern Anatolia, Turkey, provide a geological record of the Campanian-Maastrichtian from the Sakarya Terrane along the active Neotethys margin. Shales and shaly marls with silicicla...
An introduction to causes and consequences of Cretaceous sea-level changes (IGCP 609)
Wagreich, Michael; Sames, Benjamin; Hart, Malcolm; Yılmaz, İsmail Ömer (Geological Society of London, 2020-01-01)
The International Geoscience Programme Project IGCP 609 addressed correlation, causes and consequences of short-term sea-level fluctuations during the Cretaceous. Processes causing several ka to several Ma (third- to fourt...
Holocene paleoenvironmental evolution of the Acıgöl paleo maar lake (Nevşehir, Central Anatolia)
Tuncer, Alaettin; Tunoğlu, Cemal ; Aydar, Erkan ; Yılmaz, İsmail Ömer; Gümüş, Burçin Aşkım ; Şen, Erdal (2019-12-01)
Acıgöl (Nevşehir, Central Anatolia) is a drained crater lake. Acıgöl maar was formed by the violent vapor explosions due to the interaction of hot rhyolitic magma with the (sub-)surface water during the latest Pleistocene....
Carbon-isotope stratigraphy of the Cenomanian-Turonian carbonate succession of the Türkoğlu section (SE Turkey): implications for the timing of Late Cretaceous sea-level rise and anoxic event
Mulayim, O; Yılmaz, İsmail Ömer; Sarı, Bilal; Taslı, Kemal (2019-10-18)
A carbon–isotope stratigraphy of the upper Cretaceous shallow and deeper water Cretaceous limestones from Türkoğlu section, SE Turkey, has enabled an accurate definition of the Cenomanian–Turonian boundary. Carbon–isotope ...
Faunal affinities of the Late Cretaceous ‘aphrodiniid’ venerid bivalve assemblages and dispersal pathways around Tethyan margins
Hoşgör, İzzet; Yılmaz, İsmail Ömer; Özer, Sacit; Mülayim, Oğuz; Sarı, Bilal; Taslı, Kemal (null; 2019-09-10)
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