Department of Geological Engineering, Article

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Recent Submissions

An evaluation of seismic hazard and potential damage in Gaziantep, Turkey using site specific models for sources, velocity structure and building stock Karimzadeh, Shaghayegh; Arslan Kelam, Arzu; Yousefibavil, Karim; Akgün, Haluk; Askan Gündoğan, Ayşegül; KOÇKAR, MUSTAFA KEREM; Erberik, Murat Altuğ; Ciftci, Hacer; Pekcan, Onur (2022-03-01) Assessment of potential seismic risk and losses in urban environments is necessary for several purposes ranging from risk mitigation to city and regional planning. It is well known that loss estimation should be performed ...
Application of an optical fiber-based system for mass movement monitoring Arslan Kelam, Arzu; Akgün, Haluk; KOÇKAR, MUSTAFA KEREM (2022-03-01) This paper assesses the stages and findings of a mass movement monitoring system developed for continuous long-term monitoring applications using optical fiber cable as a sensor to decrease the risks associated with slope ...
Whole-Rock and Nd-Pb isotope geochemistry and radiolarian ages of the volcanics from the Yüksekova Complex (Maden Area, Elazığ, E Turkey): Implications for a Late Cretaceous (Santonian-Campanian) Back-Arc basin in the southern Neotethys Ural, Melek; Sayıt, Kaan; TEKİN, UĞUR KAĞAN (2022-01-31) The Southeast Anatolian Orogenic Belt (SAOB) is characterized by a tectonic assemblage consisting of dismembered ophiolites, subduction-related as-semblages, and continental fragments. Whether the subduction-related volcan...
Late Cretaceous Arc Magmatism in the Southern Central Pontides: Constraints for the closure of the Northern Neotethyan branches Sayıt, Kaan; Cemal Göncüoğlu, M.; Ellero, Alessandro; Ottria, Giuseppe; Frassi, Chiara; Marroni, Michele; Pandolfi, Luca (2022-01-31) In the southern Central Pontides in northern Turkey the remnants of two Neotethyan oceanic basins, currently represented by the Intra-Pontide and the Izmir-Ankara-Erzincan sutures, and the interposing continental microplat...
Durability assessment of some Cappadocian tuffs using factor analysis, multiple regression analysis, and analytical hierarchy process Deniz, B. Ertas; Topal, Tamer (2022-01-01) Tuff located in Central Anatolia (Cappadocia) has been used as a building stone in many historical monuments, churches, and mosques. Although some of the tuffs used in those historical structures show good performances, th...
Duration and Intensity of End-Permian Marine Anoxia Pimentel-Galvan, Michael; Lau, Kimberly V.; Maher, Katharine; Mukerji, Tapan; Lehrmann, Daniel J.; Altıner, Demir; Payne, Jonathan L. (2022-01-01) Ocean anoxia was an important kill mechanism in the end-Permian mass extinction and uranium isotope data are among the most powerful tools for quantifying the global extent and duration of ocean deoxygenation due to the de...
Numerical analysis and stability assessment of complex secondary toppling failures: A case study for the south pars special zone Azarafza, Mohammad; Bonab, Masoud Hajialilue; Akgün, Haluk (2021-12-01) This article assesses and estimates the progressive failure mechanism of complex pit-rest secondary toppling of slopes that are located within the vicinity of the Gas Flare Site of Refinery No. 4 in South Pars Special Zone...
Deep learning-based landslide susceptibility mapping Azarafza, Mohammad; Azarafza, Mehdi; Akgün, Haluk; Atkinson, Peter M.; Derakhshani, Reza (2021-12-01) Landslides are considered as one of the most devastating natural hazards in Iran, causing extensive damage and loss of life. Landslide susceptibility maps for landslide prone areas can be used to plan for and mitigate the ...
Deformation in SW Anatolia (Turkey) Documented by Anisotropy of Magnetic Susceptibility Data ÖZKAPTAN, MURAT; Gülyüz, Erhan; UZEL, BORA; Langereis, Cor G.; Özacar, Atilla Arda; Kaymakcı, Nuretdin (2021-12-01) Convergence between the Eurasian and the African plates in the West Anatolian-Aegean region results in a trench retreat due to slab roll-back and tearing of the subducted African lithosphere. The upper plate response of th...
Triassic Foraminifera from the Great Bank of Guizhou, Nanpanjiang Basin, south China: taxonomic account, biostratigraphy, and implications for recovery from end-Permian mass extinction Altıner, Demir; Lehrmann, Daniel J.; Altıner, Sevinç; Summers, Mindi M.; Yu, Meiyi (2021-12-01) Foraminifera are important components of tropical marine benthic ecosystems and their recovery pattern from the end-Permian mass extinction can yield insights into the Mesozoic history of this group. Here we report the cal...
Evolution of mafic lavas in Central Anatolia: Mantle source domains Furman, Tanya; Hanan, Barry B.; Sjoblom, Megan Pickard; Kürkcüoğlu, Biltan ; Sayıt, Kaan; Şen, Erdal; Sen, Pinar Alici; Yurur, Tekin (2021-12-01) We present new Sr-Nd-Pb-Hf isotopic data on mafic lavas from the Sivas, Develidag, Erciyes, and Erkilet volcanic complexes in central Turkey and Tenchirek in eastern Turkey to evaluate the mantle sources for volcanism in t...
Surface deformations of 24 January 2020 Sivrice (Elazığ)–Doğanyol (Malatya) earthquake (Mw = 6.8) along the Pütürge segment of the East Anatolian Fault Zone and its comparison with Turkey’s 100-year-surface ruptures Tatar, Orhan; Sözbilir, Hasan; Koçbulut, Fikret; Bozkurt, Erdin; Aksoy, Ercan; Eski, Semih; Özmen, Bülent; Alan, Hüsetin; Metin, Yüksel (2021-10-01) On Friday, January 24, 2020 at 20.55:11 local time (17:55 UTC), an earthquake with a magnitude of Mw = 6.8 has occurred in Sivrice district of Elazığ (Eastern Turkey). Focal mechanism solution is consistent with pure left-...
Discontinuous rock slope stability analysis by limit equilibrium approaches - a review Azarafza, Mohammad; Akgün, Haluk; Ghazifard, Akbar; Asghari-Kaljahi, Ebrahim; Rahnamarad, Jafar; Derakhshani, Reza (2021-10-01) Slope stability is one of the most important topics of engineering geology with a background of more than 300 years. So far, various stability assessment techniques have been developed which include a range of simple evalu...
Post-delamination magmatism in south-central Anatolia Gall, Helen; Furman, Tanya; Hanan, Barry; KÜRKCÜOĞLU, BİLTAN; Sayıt, Kaan; YÜRÜR, MEHMET TEKİN; Sjoblom, Megan Pickard; ŞEN, ERDAL; Şen, Pınar Alıcı (2021-10-01) Quaternary mafic lavas in Central Anatolia provide geochemical insights into melt generation processes following regional delamination of the subducted Tethyan slabs. New geochemical data from the Pleistocene Hasandağ Cind...
Application of an image processing-based algorithm for river-side granular sediment gradation distribution analysis Azarafza, Mohammad; Nanehkaran, Yaser A.; Akgün, Haluk; Mao, Yimin (2021-09-01) Determining grain-size and grading distribution of river-side sediments is very important for issues related to lateral embankment drift, river-side nourishment, management plans, and riverbank stability. In this regard, e...
Geological, mineralogical and geochemical characteristics of Mississippian K-bentonites from southern Turkey: A correlation with coeval tephras from Gondwana-derived terranes Bozkaya, Ömer; Günal Türkmenoğlu, Asuman; Göncüoğlu, Mehmet Cemal; Okuyucu, Cengiz (2021-09-01) Five thin (5–15 cm) and yellowish green tephra (K-bentonite) layers are exposed along two sections in the south of Akşehir (Konya, southern Turkey) within the Early Carboniferous (Mississippian) red dolomite-dolomitic lime...
Geochemistry and Zircon U-Pb Dates of Felsic-Intermediate Members of the Late Cretaceous Yuksekova Arc Basin: Constraints on the Evolution of the Bitlis-Zagros Branch of Neotethys (Elazig, E Turkey) Ural, Melek; Sayıt, Kaan; KORALAY, OSMAN ERSİN; Göncüoğlu, Mehmet Cemal (2021-08-01) During the Late Cretaceous in the Eastern Mediterranean, the northern branch of the southern Neotethys was closed by multiple northward subductions. Of these, the most northerly located subduction created the Baskil contin...
Neogene Kinematics of the Potwar Plateau and the Salt Range, NW Himalayan Front: A Paleostress Inversion and AMS study Qayyum, Abdul; Poesse, Jorik Willem; Kaymakcı, Nuretdin; Langereis, Cornelis G.; Gülyüz, Erhan; Ahsan, Naveed (2021-06-01) We provide new kinematic data from the Potwar Plateau (Pakistan) to evaluate the tectonic evolution of the region during the Neogene. The plateau is bound by two major strike-slip faults in the west and the east, accommoda...
Effect of disturbed zone thickness on rock slope stability Ersöz, Timur; Topal, Tamer (2021-04-01) Cut slope surfaces are affected by excavation activities and weathering agents. Disturbances on the surface can penetrate down to a certain depth. Slope stability analyses made on the cut slopes can reveal unsatisfactory r...
A new durability assessment method of the tuffs used in some historical buildings of Cappadocia (Turkey) Deniz, B. Ertas; Topal, Tamer (2021-04-01) Cappadocia region in Turkey is known as a touristic and historical area with volcanic rocks formed by the effect of intense Neogene calcalkaline volcanism. Rhyolitic to trachyandesitic tuffs, being widespread as a volcanic...

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