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You are here: Home » Past Issues » Volume 8, 2013 - Number 4 » 3D MODELLING AND STRUCTURAL INVESTIGATION OF THE CENTRAL VOLCANICS IN SLOVAKIA USING MAGNETIC DATA


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Özcan BEKTAŞ1*, Aydın BÜYÜKSARAÇ2 & Kamil ROZIMANT3
1Cumhuriyet University, Faculty of Engineering, Department of Geophysical Engineering, Sivas TR-58140, Turkey,
Phone: +90-346-2191010 Ext:1925, Fax: +90-346-2191190, e-mail: obektas@cumhuriyet.edu.tr
2Çanakkale Onsekiz Mart University, Faculty of Engineering and Architecture, Department of Geophysical
Engineering, Çanakkale TR-17020, Turkey, e-mail: absarac@comu.edu.tr
3Comenius University, Faculty of Natural Sciences,Department of Applied and Environmental Geophysics, Bratislava, Slovakia, e-mail: rozimant@fns.uniba.sk

3D MODELLING AND STRUCTURAL INVESTIGATION OF THE CENTRAL VOLCANICS IN SLOVAKIA USING MAGNETIC DATA

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Abstract:

The Central volcanics, located in central part of Slovakia, is characterized by intense andesitic volcanic activity that resulted in the formation of stratavolcanoes and dome complexes of Middle andLate Miocene age. The basement area has been affected tectonically resulting in the formation of horstand graben structures. The Central Slovakian Volcanic Field (CSVF) exhibits a very complex magneticanomaly. A 3-km upward continued magnetic map indicates a deep-seated source for this magmatism.The pseudogravity transformation of the upward continued anomaly has also been constructed. Thisanomaly was modelled by a 3D-method. The anomalous body lies between the depths of 4.4 to 8.5 kmbeneath the surface of the CSVF. Volcanic structures and some lineaments are presented on the maximaof the horizontal gradient of the pseudogravity anomaly map. They are well correlated with the structuralmap of CSVF.


Keyword:
magnetic anomalies; 3D magnetic model; Central Slovakian Volcanic Field; power spectrum;maxima of horizontal gradient


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