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Integrating Data from Remote Sensing, Geology and Gravity to Study the Geological Structure of Tarhunah Area, North-West Libya

Nureddin Saadi1, Essam Aboud2, Hakim Saibi3, and Koichiro Watanabe1
1Laboratory of Economic Geology, Faculty of Engineering, Kyushu University, Fukuoka, Japan
2National Research Institute of Astronomy and Geophysics, Cairo, Egypt
3Laboratory of Geothermics, Faculty of Engineering, Kyushu University, Fukuoka, Japan

The present work deals with the integration of remote sensing data with surface geology and gravity survey to improve the structural knowledge of the Tarhunah area, northwest Libya. Geological information and remote sensing data provided information about the surface structure. The gravity survey was conducted to explore the subsurface structure. The results revealed a basin trends in the NE direction with width varying from 39 to 48 km. A 2D schematic model shown the basin is gradually deeper toward the southwest direction. Faults extracted from horizontal gradient, tilt derivative, and Euler Deconvolution shown a depth ranges from 2.5-7.5 km. The integration and interpretation of the results indicates that the study area was affected by three main movements. And the volcanic activity was related to the tectonic activity of Jabal Uplift.

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