Browsing by Author "Maden, Nafiz"
Now showing items 1-20 of 30
-
Black sea basin satellite gravity data and major tectonic features: Tectonic implications
Maden, Nafiz (European Association of Geoscientists and Engineers, EAGE, 2017)The Black Sea is a marginal sea represented by the Caucasus to the east, by the Balkanides-Pontides to the south and southwest, the Crimean Mountains to the north, and young platforms (Moesian and Scythian) to the west and ... -
Crustal Contamination of Tertiary Volcanic Rocks: Evidence from K, U, Th and Radiogenic Heat Production Data in Eastern Pontides (NE Turkey)
Maden, Nafiz; Akaryali, Enver; Aydincakir, Emre (Springer Basel Ag, 2021)Herein, we present new U-238, Th-232, and K-40 radionuclide concentrations, density and radiogenic heat production (RHP) data on the Tertiary volcanic rocks outcropping in Borcka, Gumushane and Trabzon regions within the ... -
Crustal Contamination of Tertiary Volcanic Rocks: Evidence from K, U, Th and Radiogenic Heat Production Data in Eastern Pontides (NE Turkey) (May, 10.1007/S00024-021-02739-6, 2021)
Maden, Nafiz; Akaryali, Enver; Aydincakir, Emre (Springer Basel Ag, 2021)[Abstract Not Available] -
Crustal thermal properties of the Central Pontides (Northern Turkey) deduced from spectral analys of magnetic data
Maden, Nafiz (2009)Pontidler tektonik olarak Doğu, Batı ve Orta Pontidler olmak üzere üç ana bölgeye ayrılabilir. Bu birimlerin her biri okyanusal, kıtasal ve ada yayı parçalarından oluşan birleşik bir tektonik mozayiği göstermektedir. Doğu ... -
Crustal Thermal Properties of the Central Pontides (Northern Turkey) Deduced from Spectral Analysis of Magnetic Data
Maden, Nafiz (Scientific Technical Research Council Turkey-Tubitak, 2009)The Pontides can be divided tectonically into three main sectors: Eastern, Central, and Western Pontides. Each of these represents an amalgamated tectonic mosaic consisting of remnants of oceanic, continental, and island ... -
Curie-point Depth from Spectral Analysis of Magnetic Data in Erciyes Stratovolcano (Central TURKEY)
Maden, Nafiz (Springer Basel Ag, 2010)Curie-point depth and heat flow values of the Erciyes region are determined to identify the thermal regime of the Central Anatolia by applying the spectral analysis method to the magnetic anomaly data. To compute the ... -
Determination of Tectonic and Crustal Structure of the Eastern Pontide Orogenic Belt (NE Turkey) Using Gravity and Magnetic Data
Maden, Nafiz; Gelisli, Kenan; Eyuboglu, Yener; Bektas, Osman (Springer Basel Ag, 2009)The Eastern Pontide Orogenic Belt is one of the most complex geodynamic settings within the Alpine belt. Subduction polarity, which is responsible for the formation of the Eastern Pontide Magmatic Arc, is still under debate ... -
Determination of the Crustal and Thermal Structure of the Erzurum-Horasan-Pasinler Basins (Eastern Turkiye) Using Gravity and Magnetic Data
Maden, Nafiz; Aydin, Ali; Kadirov, Fakhraddin (Springer Basel Ag, 2015)The Erzurum-Horasan-Pasinler basin, which surrounds Miocene rocks, is oriented approximately E-W and is located in Eastern Anatolia (Turkiye). East Anatolia, where ophiolitic and young volcanic rocks are widespread, is ... -
Different modes of stress transfer in a strike-slip fault zone: an example from the North Anatolian Fault System in Turkey
Bektas, Osman; Eyueboglu, Yener; Maden, Nafiz (Scientific Technical Research Council Turkey-Tubitak, 2007)The dextral North Anatolian Fault System (NAFS) extends for well over 1000 km from the compressive tectonic domain of eastern Anatolia into the broad and diverse tectonic domain of the western Anatolian, Marmara and Aegean ... -
Excess lifetime cancer risk due to natural radioactivity in Gümüşhane Province, NE Turkey
Maden, Nafiz; Akaryalı, Enver; Gücer, Mehmet Ali (2020)In this study, 162 in situ measurements of 238U, 232Th, and 40K radionuclide concentrations dataset taken by the gamma-ray spectrometer in Gümüşhane, Turkey are presented. The gamma ray measurements were performed by a ... -
Gamma ray spectrometry for recognition of hydrothermal alteration zones related to a low sulfidation epithermal gold mineralization (eastern Pontides, NE Turkiye)
Maden, Nafiz; Akaryali, Enver (Elsevier, 2015)This study presents an interpretation of radiospectrometric and magnetic data of Arzular mineralization site, which is one of the best examples for epithermal gold deposits located in the southern zone of the Eastern ... -
Geothermal Potential and Circulation Depth of Hudai Thermal Springs (Sandikli-Afyonkarahisar, Turkiye) Using Magnetic, Geothermometry and Heat Flow Data
Maden, Nafiz; Afsin, Mustafa; Aksever, Fatma; Davraz, Aysen (Springer International Publishing Ag, 2020)The Hudai-Sandikli geothermal basin having 23 thermal productivity wells is a significant geothermal energy source field. The analysis of power spectrum, conventional heat flow and silica heat flow methods were implemented ... -
Geothermal structure of the eastern Black Sea basin and the eastern Pontides orogenic belt: Implications for subduction polarity of Tethys oceanic lithosphere
Maden, Nafiz (China Univ Geosciences, Beijing, 2013)The numerical results of thermal modeling studies indicate that the lithosphere is cold and strong beneath the Black Sea basin. The thermal lithospheric thickness increases southward from the eastern Pontides orogenic belt ... -
Historical aurora borealis catalog for Anatolia and Constantinople (hABcAC) during the Eastern Roman Empire period: implications for past solar activity
Maden, Nafiz (Copernicus Gesellschaft Mbh, 2020)Herein, Anatolian aurorae are reviewed based on the existing catalogs to establish a relationship between the aurora observations and past solar activity during the Medieval period. For this purpose, historical aurora ... -
Hydrocarbon migration and structural reservoir traps in the Western Black Sea Basin: evidence from satellite-derived gravity tensor data
Maden, Nafiz; Doğru, Fikret (Springer Science and Business Media B.V., 2024)The Black Sea, situated between Türkiye, Bulgaria, Romania, Ukraine, and Russia, is tectonically separated into two different sub-basins: Eastern and Western Black Sea. These two sub-basins have been a target of interest ... -
Hydrocarbon reservoir depth identification in the eastern black sea basin: Implications from euler deconvolution and gravity tensor invariants
Doğru, Fikret; Maden, Nafiz (Elsevier Ltd, 2023)The Black Sea Basin (BSB) consisting of Eastern Black Sea (EBS) and Western Black Sea (WBS) basins which separated by the Mid Black Sea High (MBSH) is formed by the collision of Eurasia and Arabian-African Plates. Petroleum ... -
In situ gamma ray measurements for deciphering of radioactivity level in Sarihan pluton area of northeastern Turkey
Cinar, Hakan; Altundas, Suna; Celik, Necati; Maden, Nafiz (Springer Heidelberg, 2017)The present work utilizes in situ gamma ray spectrometric measurement data to map the surface geology of Sarihan Granitoid and its surrounding area. The study area comprises three different lithological units, namely, ... -
The in situ natural radionuclide (238U,232Th and40K) concentrations in Gümüşhane granitoids: implications for radiological hazard levels of Gümüşhane city, northeast Turkey
Maden, Nafiz; Akaryalı, Enver; Çelik, Necati (Elsevier, 2019-05-12)We have carried out 48 in situ measurements on radioactivities of 238U, 232Th and 40K isotopes at the Gümüşhane granitoid plutons employing gamma-ray spectrometer with a NaI(Tl) scintillation detector. The radionuclide ... -
The in situ natural radionuclide (U-238,Th-232 and(40)K) concentrations in Gumuhane granitoids: implications for radiological hazard levels of Gumuhane city, northeast Turkey
Maden, Nafiz; Akaryali, Enver; Celik, Necati (Springer, 2019)We have carried out 48 in situ measurements on radioactivities of U-238, Th-232 and K-40 isotopes at the Gumuhane granitoid plutons employing gamma-ray spectrometer with a NaI(Tl) scintillation detector. The radionuclide ... -
Local gravity and magnetic anomalies associated with the oil and gas reservoirs in the cretaceous carbonate deposits of Yevlakh-Agjabedi depression, Azerbaijan
Gadirov, Vagif G; Maden, Nafiz; Gadirov, Kamran V (Institute for Ionics, 2023)Local gravity and magnetic anomalies are employed to identify potential hydrocarbon reservoirs in the Middle Kura Depression (MKD) within the South Caspian basin in Azerbaijan. The MKD basin in Azerbaijan including the ...