Department of Geological Engineering

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Akgün, Haluk (124)
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Recent Submissions

Delamination Magmatism in Eastern Anatolia: A Geochemical Perspective
Aktağ, Alican; Sayıt, Kaan; Furman, Tanya; Peters, Bradley J. (2024-05-01)
The Sr-Nd-Hf-Pb isotope geochemistry of the Late Miocene Tunceli Volcanics suggests that they are the products of mixed asthenospheric and lithospheric mantle melts. The combined elemental and mineral chemistry data additi...
Karamadazı Bölgesi’nde (Yahyalı, Kayseri, Orta Anadolu) Yeni Bir Porfiri Keşfi – Çubuklu Cu-Mo Prospekti
Gürgen, Müge; İmer, Ali; Serçe, Deniz Can (2024-04-15)
Çatalçam (Manisa) Epitermal Zn-Pb-Au Cevherleşmesi Üzerindeki Yapısal Kontroller
İmer, Ali; Ergili, Hilal; Kaymakcı, Nuretdin (2024-04-15)
Simav Bölgesi’nde (Batı Anadolu) Erken Miyosen Döneminde Porfiri Magma Üretkenliğinde Zamana Bağlı Artış
Çil, Akın; İmer, Ali; Sayıt, Kaan; Koralay, Osman Ersin; Chiaradia, Massimo; Ulyanov, Alexey; Moritz, Robert (2024-04-15)
A Novel VS30 Prediction Strategy Taking Fluid Saturation into Account and a New VS30 Model of Türkiye
Okay, Hakan Bora; Özacar, Atilla Arda (2024-04-01)
The averaged shear-wave velocity of the top 30 m (VS30) is widely used in earthquake engineering as a proxy to represent site responses. However, the spatial availability of measured VS30 is rather limited, and, so far, a ...
Classification and modification of slake durability test for different types of rocks
Ersöz, Timur; Topal, Tamer (2024-04-01)
Rocks exposed to atmospheric conditions are subjected to weathering processes driven by numerous factors especially precipitation. The slaking behavior attributed to water-induced weathering particularly affects rocks cont...
Latest Carboniferous–Early Permian Rifting of the Northern Gondwanan Margin and the Opening of the Northern Neotethys: New Evidence from the Carboniferous and Permian Foraminiferal Assemblages from the Beysehir-Hoyran Nappes, Central Taurides (Southern Turkey)
Okuyucu, Cengiz; TEKİN, UĞUR KAĞAN; Guzgun, Cagri; Sayıt, Kaan (2024-04-01)
The Beyşehir-Hoyran Nappes, one of the tectonostratigraphic units of the Taurides, are thought to be originated from the Izmir-Ankara Ocean (northern branch of Neotethys). In this study, Late Paleozoic rock units from the ...
Development of half-grabens along the northwestern end of Gediz-Alaşehir Graben: Inferences from morphometric and kinematic analysis
Tekin, Taner; Dönmezoğullari, Tamer; Sançar, Taylan; Rojay, Fuat Bora (2024-03-11)
Aegean Extensional Province under which evolution was primarily influenced by the interaction of the northward subducting African plate beneath along “Mediterranean Ridge” and the extrusion of the Anatolian continental fra...
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...
Evidence for Holocene Earthquakes along the Húsavík-Flatey Fault in North Iceland: Implications for the Seismic Behavior of Oceanic Transform Faults
Matrau, Rémi; Klinger, Yann; Thorðarson, Thorvaldur; Guðmundsdóttir, Esther R.; Avşar, Ulaş; Parisi, Laura; Fittipaldi, Margherita; Jónsson, Sigurjón (2024-03-01)
Understanding the long-term seismic behavior of oceanic transform faults is challenging because their location underwater generally prevents the use of classical paleoseismological techniques. The Húsavík-Flatey fault (HFF...
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...
Natural Fracture Modeling in Unconventional Dadaş-I Member for 3D Seismic Survey in the Southeastern Turkey
Orlov, Artem; Özkul, Canalp; Bensenouci, Fethi; Yazaroğlu, Ekrem; Mengen, Ahmet Ergun; Yılmaz, İsmail Ömer (2024-01-01)
Silurian age Dadas-I shale exhibit low porosity and extremely low matrix permeability. Acting as one of the main source rocks in South-East Turkey, it represents a self-sourced unconventional play. This study aims at using...
Partitioning Anatolian Kinematics into Tectonic Escape and Slab Rollback Dominated Domains
Meng, Jiannan; Kusky, Timothy M.; Bozkurt, Erdin; Deng, Hao; Sinoplu, Ozan (2024-01-01)
Anatolia is the global archetype of tectonic escape, as witnessed by the devastating 2023 Kahramanmaraş Earthquake sequence, and the 2020 Samos Earthquake, which show different kinematics related to the framework of the es...
Integrated Approach for Efficient Reservoir Characterization and Completion of the Silurian Unconventional Formation in Southeastern Turkey
Özkul, Canalp; Yılmaz, İsmail Ömer; Bensenouci, Fethi; Ezhov, Kirill; Yazaroglu, Mehmed Ekrem; Mengen, Ahmet Ergun (2024-01-01)
The Silurian age Dadaş Shale in the Diyarbakır basin, SE Anatolian Basin are the most prospective unconventional reservoir in Turkey. However, the potential of this unconventional formation still remained ambiguous. Thus, ...
Assessment of geoenvironmental problems at Hasankeyf Antique City (Türkiye)
Topal, Tamer; Kaya, Y. (2024-01-01)
The Hasankeyf Antique City contains several historical structures, ancient and new man-made caves. The dolomitic limestone exposed in the area is the main rock, but weak and not durable. The rock is deteriorated under envi...
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 ...
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