Department of Geological Engineering

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Yılmaz, İsmail Ömer (99)

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Recent Submissions

Seismo-turbidites reveal locations of major earthquakes during the past millennium in the Gulf of Aqaba, southern Dead Sea Fault
Bektaş, Zeynep; Avşar, Ulaş; Ribot, Matthieu; Klinger, Yann; Jónsson, Sigurjón (2024-03-01)
Although ample historical and paleoseismological information is available on major past earthquakes along the onland part of the Dead Sea Fault, knowledge of the seismic behavior of its southernmost part in the Gulf of Aqa...
Development of the early Carnian deepening upward sequence of the Huglu Unit within the tectonic slices/blocks of the Mersin Mélange, southern Turkey: Biochronologies, geochemistry of volcaniclastics and palaeogeographic implications
TEKİN, UĞUR KAĞAN; Krystyn, Leopold; Kürschner, Wolfram M.; Sayıt, Kaan; Okuyucu, Cengiz; Forel, Marie-Béatrice (2024-02-15)
The Mersin Ophiolitic Complex in southern Turkey includes two different units; the Mersin Mélange (MM) and Mersin Ophiolite with a metamorphic sole. Within the MM the Tavuscayiri megablock exposes in the Kilin section the ...
Surface deformations of the 6 February 2023 earthquake sequence, eastern Türkiye
Meng, Jiannan; Kusky, Timothy; Mooney, Walter D.; Bozkurt, Erdin; BODUR, MEHMET NURİ; Wang, Lu (2024-01-19)
Two powerful earthquakes struck Türkiye on 6 February 2023. The initial rupture was on the Dead Sea fault zone, yet maximum displacements and energy release [moment magnitude (Mw) 7.8] occurred 24 seconds later when ruptur...
Preliminary documentation of coseismic ground failure triggered by the February 6, 2023 Türkiye earthquake sequence
Görüm, Tolga; Tanyas, Hakan; Karabacak, Furkan; Yılmaz, Abdüssamet; Girgin, Serkan; Allstadt, Kate E.; Süzen, Mehmet Lütfi; Burgi, Paula (2023-12-20)
The devastating Kahramanmaraş earthquake sequence occurred on February 6, 2023. Two main events, Mw 7.8 and Mw 7.5 occurred 9 hours apart, affected 11 cities in Turkey, and subjected an area of ∼90,000 km2 to shaking level...
Paired Satellite and NWP Precipitation for Global Flood Forecasting
Huang, Zhijun; Wu, Huan; Gu, Guojun; Li, Xiaomeng; Nanding, Nergui; Adler, Robert F.; Yılmaz, Koray Kamil; Alfieri, Lorenzo; Chen, Sirong (2023-12-01)
Precipitation data are known to be the key driver of hydrological simulations. Hence, reliable quantitative precipitation estimates and forecasts are vital for accurate hydrological forecasting. Satellite-based precipitati...
New paleohydroclimate record of the MIS 5e/5d transition from Yelini Cave, central Anatolian region of Türkiye
Gürbüz, Kaan; Mutlu, Halim; Ünal İmer, Ezgi; Uysal, I. Tonguç; Zhao, Jian-Xin (2023-12-01)
Abstract This study presents the results of a detailed paleoclimate investigation on stalagmite YL-1 (Yelini Cave, Türkiye). YL-1 grew between 117.13 (+0.57/−0.44) ka and 114.87 (+1.63/−2.89) ka within Greenland Stadia...
On the nature of the Cimmerian Continent
Şengör, Ali Mehmet Celal; Altıner, Demir; Zabcı, Cengiz; Sunal, Gürsel; Lom, Nalan; Aylan, Eşref; Öner, Tayfun (2023-12-01)
The Cimmerian Continent is the narrow continental strip that rifted from the northeastern Gondwana-Land margin mostly during the Permian between the present-day Balkan regions and Indonesia and collided with the Laurasian ...
A Graphical User Interface for Geochemical Anomaly Detection Based on 2d U-Statistics
Ertunç, Güneş; İmer, Ali (2023-11-30)
Natural Fracture Modeling in Unconventional Dadaş-1 Member for 3d Seismic Survey: 131 Case Study, Turkey
Yılmaz, İsmail Ömer; Orlov, Artem; Özkul, Canalp; Bensenouci, Fethi; Yazaroğlu, Mehmed; Mengen, Ahmet Ergün (2023-10-27)
Traditional description of unconventional reservoir likeany natural fracture reservoirs relies heavily on qualityand analysis of image logs and core data at discrete welllocations. These data provide high vertical resoluti...
Carbonate Sedimentology, Micropaleontological Analysis and Stable Isotope Geochemistry of the Garzan Formation at the Core of Gercus Anticline and Subsurface Extent, Batman, SE Turkey
Yılmaz, İsmail Ömer; Altıntaş, Damla; Özkan Altıner, Sevinç (2023-09-27)
The Garzan Formation is one of the most prolificreservoirs in southeast Turkey. It crops out only inthe center of the Gercus Anticline. A field studywas conducted in July 2015 in order to examine theGarzan successions in s...
Palaeoenvironmental Significance of Pithonellid Calcitarchs in SE Anatolia: a Discussion on the Use of the Term ‘Calcispheres
Yılmaz, İsmail Ömer; Mülayim, Oğuz; Ferré, Bruno (2023-09-27)
‘Pithonellid calcitarchs” (middle? Cenomanian) arefound in the organic-rich limestones of the DerdereFormation at SE Türkiye in the northern ArabianPlatform. Unfortunately, little is known about thepithonellid calcitarchs ...
Geomechanics Aided Solution to Support Drilling and Completion of Dadaş Unconventional Reservoirs, SE -Türkiye
Yılmaz, İsmail Ömer; Bensenouci, Fethi; Mengen, Ahmet Ergün; Özkul, Canalp; Orlov, Artem; Ezhov, Kirill; Yazaroğlu, Mehmed Ekrem (2023-09-27)
Exploring unconventional reservoirs is known to betechnically and economically challenging from drillingto reservoir evaluation and stimulation. In order todevelop unconventional reservoirs, oil companies haveto drill and ...
Reservoir Characterization of Unconventional Dadaş Formation in Southeastern Turkey
Yılmaz, İsmail Ömer; Özkul, Canalp; Mengen, Ahmet Ergün; Bensenouci, Fethi; Ezhov, Kirill; Yazaroğlu, Mehmed Ekrem (2023-09-27)
Unconventional resources are increasingly importantin the future of oil and gas industry as they potentiallyhold substantial amount of hydrocarbon. Economicalproduction from shale reservoirs is still stronglydependent on r...
Geochemical Characteristics and Depositional Conditions of the Organic-Rich Triassic Facies in the Western Taurides, Turkey
Yılmaz, İsmail Ömer; Dinçer Kırman, Zeynep; Üsdün, Hasan Çağlar (2023-09-27)
Eastern Mediterranean Basin poses importance with respect to not only the drilled and scheduled offshore wells but also the source rock discoveries made in the near past. On the contrary, available limited data and knowled...
Insights into the Tethyan mantle heterogeneity: Trace element evidence from the Karakaya Complex, Central Anatolia
Sayıt, Kaan (2023-08-01)
The Nilüfer Unit of the Karakaya Complex (northern Turkey) preserves the remnants of the voluminous Triassic Tethyan magmatism. In the Imrahor area (Ankara), the Nilüfer Unit is characterized by a megablock consisting of h...
Doğu Anadolu Mesozoyik–Senozoyik Magmatik Kuşağı Boyunca Porfiri Magma Üretkenliğinin Zirkon İz Element Kaydı
İmer, Ali; Wang, Rui; Sayıt, Kaan; Koralay, Osman Ersin (2023-07-31)
İzmir İl Merkezinin Jeokimyasal ve Tıbbi Jeolojik Özellikleri
Kılıç, Atilla; Toksoy Köksal, Fatma; Köksal, Serhat (2023-07-29)
A new quantitative welding degree classification for ignimbrites
Akin, Mutluhan; Topal, Tamer; Dinçer, İsmail; AKIN, MÜGE; Özvan, Ali; Orhan, Ahmet; Orhan, Ayşe (2023-07-01)
As a pyroclastic rock type, ignimbrites may reveal varying degrees of welding depending on the temperature (> 535 ℃) and overburden pressure conditions during its formation. The welding degree of ignimbrites increases as t...
Late Cretaceous arc magmatism in the Western Pontides (Turkey) - temporal and chemical changes
Sağlam, Ezgi; Duzman, Turgut; Ay, Cemre; Okay, Aral; Topuz, Gültekin; Sunal, Gürsel; Özcan, Ercan; Altıner, Demir; Hakyemez, Aynur; Wang, Jia-Min; Kylander-Clark, Andrew R. C. (2023-06-01)
During the Late Cretaceous, a magmatic arc extended from the Lesser Caucasus through the northern margin of the Pontides into Srednogorie, Timok, Banat, and Apuseni (ABTS) in the Balkans for a distance of 2700 km. We studi...
Active tectonics of Spil Mountain, Western Anatolia: Implications from morphometric and paleoseismic studies
Tekin, Taner; Sançar, Taylan; Altunel, Erhan; Akyüz, Hüsnü Serdar; Rojay, Fuat Bora (2023-05-15)
The internal deformation of Anatolia, where neotectonic provinces are characterized, are formed by the structures that are controlling the geodynamic evolution. One of the main provinces is known to be Aegean Extensional P...
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