Exploring the crustal structure of the Aegean Sea from satellite bouguer gravity, magnetic data, and seismological data
Erbek-Kiran E. Ates A. Dolmaz M.N.
March 2025Springer Science and Business Media Deutschland GmbH
Geo-Marine Letters
2025#45Issue 1
Modeling the subsurface structures and their geometries is a crucial task for understanding the tectonic background of the region. Within this scope, the current paper aims to define the subsurface structures of the Aegean Sea through a two-dimensional (2D) modeling approach. In this 2D modeling, satellite Bouguer gravity anomaly and magnetic data, which represent the novelty of the article, have been used for the first time in this region. Removing the regional field, the construction of the 2D model has been created along a defined profile. The modeled gravity data show that the body, which is evaluated as a magmatic intrusion, located in the southern Aegean volcanic arc region extends to the Moho depth. The presence of a high-density mass sliding into the Hellenic trench as a result of the subduction movement has also been revealed in this study. In addition, the average depths of the shallow causative bodies obtained from the power spectrum analysis of the magnetic data have positively correlated with the depths determined in the 2D model. Intense magnetic anomalies observed around the Biga Peninsula and Aegean volcanic islands were modeled with the control of the Edremit-1 borehole and it is evaluated that these anomalies in the region could be associated with the presence of volcanic rocks observed in the Edremit-1 well. On the other hand, the correlation between gravity data and seismological data has indicated the regions in which the mantle has been uplifted in the current study.
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Faculty of Engineering and Natural Sciences, Department of Geophysical Engineering, Suleyman Demirel University, Isparta, 32260, Kazakhstan
Faculty of Engineering, Department of Geophysical Engineering, Ankara University, Besevler, Ankara, 06100, Turkey
Faculty of Engineering and Natural Sciences
Faculty of Engineering
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