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- 2D Dike (1)
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Articles 1 - 7 of 7
Full-Text Articles in Physical Sciences and Mathematics
Formation And Tectonic Evolution Of Structural Slices In Eastern Kargı Massif (Çorum, Türkiye), Cihan Yalçin, Nurullah Hani̇lçi̇, Mustafa Kumral, Mustafa Kaya
Formation And Tectonic Evolution Of Structural Slices In Eastern Kargı Massif (Çorum, Türkiye), Cihan Yalçin, Nurullah Hani̇lçi̇, Mustafa Kumral, Mustafa Kaya
Bulletin of the Mineral Research and Exploration
The closure of Tethys Ocean has led to shaping the Central Pontides together with different types of rocks. In the east of Kargı (Gökçedoğan), which is located in the Central Pontides, allochthonous rocks of Late Palaeozoic-Early Cenozoic age and autochthonous units exist together, and allochthonous rocks present various tectono-stratigraphical sequences. Distinctive tectonic slices developed in the area as a consequence of the thrusting of the Permian carbonates from the north towards the south over the Middle Jurassic accretionary Complex (Kunduz Metamorphites) that form the basement of the area, and also because of the thrusting of the units of the Kirazbaşı …
Analysis Of The Stress Distribution Of North Anatolian Fault Zone For The Part Between Amasya-Tokat Cities, Ayça Çirmik, Ufuk Aydin, Oya Ankaya Pamukçu, Fikret Doğru
Analysis Of The Stress Distribution Of North Anatolian Fault Zone For The Part Between Amasya-Tokat Cities, Ayça Çirmik, Ufuk Aydin, Oya Ankaya Pamukçu, Fikret Doğru
Bulletin of the Mineral Research and Exploration
Tectonic forces formed in the continental crust, cause permanent changes in stress, compression and deformation. The amplitudes of earthquake waves vary with the stress/strain distribution in the crust. In this study, the change of stress / strain and regional absorption coefficient, which is effective in tectonic forces caused by elastic deformation energy accumulating in the brittle crust over time, was investigated. The study area is the middle part of the North Anatolian Fault Zone and the area formed by Ezinepazarı fault zone and Merzifon fault zone. In this area, Coulomb stress analysis was carried out by using the focal mechanism …
Assessment Of Crustal Thinning And Tectonic Stress Distribution Of Gülbahçe Fault Zone And Its Surroundings (İzmir, West Türkiye) Using Gravity And Magnetic Anomalies, Oya Pamukçu, Ayça Çirmik, Fikret Doğru, Ece Ünlü, Barış Can Malali̇çi̇
Assessment Of Crustal Thinning And Tectonic Stress Distribution Of Gülbahçe Fault Zone And Its Surroundings (İzmir, West Türkiye) Using Gravity And Magnetic Anomalies, Oya Pamukçu, Ayça Çirmik, Fikret Doğru, Ece Ünlü, Barış Can Malali̇çi̇
Bulletin of the Mineral Research and Exploration
Gülbahçe Fault Zone (GFZ) is a significant tectonic structure and seismic source for İzmir city and its surroundings. The major earthquakes occurred at the surroundings of GFZ are 2005 Seferihisar, 2020 Samos Island-Aegean Sea and 2021 Seferihisar earthquakes. In this study, the crustal thinning and tectonic stress distribution of GFZ and its surroundings were analyzed by using the new gravity and magnetic data. The correspondence analysis was applied by appraising together the magnetic and free-air anomaly data. Moreover, the average density of the subsurface structure was calculated by applying the Parasnis method. The deviatoric stress calculation was executed and the …
Uludağ Extensional Metamorphic Core Complex: Preliminary Field Observations, Gürol Seyi̇toğlu, Korhan Esat
Uludağ Extensional Metamorphic Core Complex: Preliminary Field Observations, Gürol Seyi̇toğlu, Korhan Esat
Bulletin of the Mineral Research and Exploration
In the northern margin of Uludağ Massif in northwest Anatolia, the Bursa Detachment having topto- the north, northeast normal sense of shear separates the lower plate high-grade metamorphic rocks of Series-A (Uludağ Group) from the upper plate low-grade metamorphic rocks of Series-B (Karakaya Complex). The deeper section of Uludağ Massif is represented by the Oligocene metagranites at the southern parts of the massif that is exposed due to the youngest high-angle Soğukpınar normal fault. The massif is a typical extensional metamorphic core complex similar to the counterparts in the west and northwest Anatolia such as the Menderes, Kazdağ, and Çataldağ …
Some Thoughts On The Morphotectonic Development Of The Denizli Region, Yücel Yilmaz
Some Thoughts On The Morphotectonic Development Of The Denizli Region, Yücel Yilmaz
Bulletin of the Mineral Research and Exploration
The Denizli region is located to the east of the Buldan Horst. Although they follow the same trends as the Büyük Menderes and Gediz grabens, the Denizli region has undergone semi-independent evolution during the Quaternary. The essential morphotectonic elements of the area are the Denizli Basin and the surrounding Babadağ and the Güzelpınar Horsts. The Babadağ Horst is the most distinct morphotectonic element of the region. It is bounded in the north by the Denizli fault, a listric normal fault, and possibly a major detachment fault. The Laodicea and Güzelpınar Horsts located within the downthrown block of the fault may …
Coulomb Stress Changes And Magnitude-Frequency Distribution For Lake Van Region, Hamdi Alkan, Erdem Bayrak
Coulomb Stress Changes And Magnitude-Frequency Distribution For Lake Van Region, Hamdi Alkan, Erdem Bayrak
Bulletin of the Mineral Research and Exploration
The tectonic structure of Türkiye is under the influence of Arabian, Eurasian, African, and Anatolian plates. Lake Van region, located in eastern Türkiye, has been exposed to many devastating earthquakes in historical and instrumental periods. In this paper, using regional earthquakes, the tectonic stress variation of Lake Van region was investigated using the Coulomb stress change and the b-value distribution. 83 earthquakes that occurred between 2000 and 2020 are used to calculate the Coulomb stress change, while 17815 earthquakes that occurred between 1903 and 2021 are used to calculate the b-value distribution. Coulomb stress change gives an idea about the …
A Graph Method For Interpretation Of Magnetic Anomalies Over 2d Dikes And Vertical Faults, İbrahim Kara, Oya Tarhan Bal, Anisya B.Tekkeli̇
A Graph Method For Interpretation Of Magnetic Anomalies Over 2d Dikes And Vertical Faults, İbrahim Kara, Oya Tarhan Bal, Anisya B.Tekkeli̇
Bulletin of the Mineral Research and Exploration
Simple geometric assumptions for dikes and faults are often used for interpreting the parameters of these structures from magnetic anomalies. The magnetic anomaly of a 2D dike or a vertical fault consists of two components; one with even and the other with odd symmetries. The function resulting from the ratio of the even and odd components is independent from the amplitude coefficient. The abscissa of the half-maximum of the even component and the maximum of the odd component of a dike or a vertical fault is related to its depth and its half-width. Incorporating this relation into the corresponding equations …