Interpretation of Aeromagnetic and Radiometric Data of Potiskum and Its Environment, Chad Basin Nigeria
Abstract
Interpretation of geophysical data of aeromagnetic and radiometric sheets of Potiskum and its environments was interpreted. The depth and extend to magnetic basement, the lineament structures, the geothermal gradient, heat flow, Curie point depth and radiogenic heat production zones of the study area was investigated. The results revealed that the lineament structures revealed some trend of cracks that might be significant for minerals deposits across the study area. The source parameter imaging shows the shallow and deepest thick sedimentary rock which has the approximate values of -164.639 m (0.164639 km) and -2232.078 m (-2.23208 km). The shallow magnetic source depth (dark blue, blue and green) of estimated value of 164.639 m (0.164639 km), within the study area. The finding also revealed the Depth to Top Basement (Zt,) Depth to Centroid (Zo,) and the Curie Depth (Zb) with approximate average values of 1.6 km, 5.72 km and 9.85 km. The geothermal Gradients and Heat Flow average values of 66.22 0Ckm-1 and 165.55 mWm-2. The average geothermal gradient of 66.22 °C km?1. The results also revealed that, the computed sedimentary thickness (1.2 to 2.8 km) and the temperature at a depth of (55 to 65 0C/km), the areas like Mamudo, Fara-Fara, Dakasku, Bulakos, kusulwa, Bade, Potiskum have more potential for hydrocarbon generation and accumulation. The study also revealed the high radionuclides concentration of 238U, 232Th and 40K which might be associated with metamorphic rocks like granites and gneiss, while other parts that shows low nuclides concentration might be associated with sedimentary rocks such as shale, clay and limestone. High concentration of radiogenic heat has the highest occurrence around the study area.
Keywords
Geothermal Gradient, Curie point, Sedimentary, Radiogenic.
Citations
IRE Journals:
Abdullahi Babale , Prof. Abu Malam , Dr. Tajudeen Adeeko
"Interpretation of Aeromagnetic and Radiometric Data of Potiskum and Its Environment, Chad Basin Nigeria" Iconic Research And Engineering Journals Volume 8 Issue 9 2025 Page 1502-1516
IEEE:
Abdullahi Babale , Prof. Abu Malam , Dr. Tajudeen Adeeko
"Interpretation of Aeromagnetic and Radiometric Data of Potiskum and Its Environment, Chad Basin Nigeria" Iconic Research And Engineering Journals, 8(9)
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