Characterization of lithological zones of the Isanlu sheet 225, North Central Nigeria, using aerogeophysical datasets

• Autorzy: Akinsunmade Akinniyi , Nguyen Dinh Chau , Wojas Anna , Tomecka-Suchoń Sylwia

Identyfikatory

DOI

10.1007/s11600-020-00411-6

• Języki publikacji: EN

Abstrakty

EN

Gridded aeromagnetic and aeroradiometric datasets of Isanlu sheet 225 were processed and interpreted in order to map the geological structures and characteristic lithology, as well as potential mineral ore zones in the area. Recorded aeromagnetic data were reduced to the magnetic equator before fltering operations which enhanced the magnetic anomalies. Analytic signal map was created, and subsequently a model was generated along a selected profle for better interpretation of the subsurface materials. On the aeroradiometric data were performed both enhancement and statistical operations. The lithological zones were identifed. They are metasedimentary rocks, migmatites and igneous rocks occupying varying proportions within the entire area. Some potential radioactive or precious metal ore zones were also localized. A major structure interpreted in the study area trends in the SE–NW direction. Other surface structures were also delineated and general orientation was evaluated. This information may serve as a valuable database for further prospective research and mineral exploration in the region.

Słowa kluczowe

EN

aerogeophysical data; geological structures; lithology; Nigeria; Isanlu sheet 225

PL

dane aerogeofizyczne; struktury geologiczne; litologia; Nigeria

• Wydawca: Instytut Geofizyki PAN ; Springer
• Czasopismo: Acta Geophysica
• Rocznik: 2020
• Tom: Vol. 68, no. 3
• Strony: 651--665
• Opis fizyczny: Bibliogr. 27 poz.

Twórcy

autor

Akinsunmade Akinniyi

• Faculty of Geology, Geophysics and Environmental Protection, AGH University of Science and Technology, Mickiewicza 30 Ave., 30-059 Kraków, Poland

autor

Nguyen Dinh Chau

• Faculty of Geology, Geophysics and Environmental Protection, AGH University of Science and Technology, Mickiewicza 30 Ave., 30-059 Kraków, Poland

autor

Wojas Anna

• Faculty of Geology, Geophysics and Environmental Protection, AGH University of Science and Technology, Mickiewicza 30 Ave., 30-059 Kraków, Poland

autor

Tomecka-Suchoń Sylwia

• Faculty of Geology, Geophysics and Environmental Protection, AGH University of Science and Technology, Mickiewicza 30 Ave., 30-059 Kraków, Poland

Bibliografia

• 1. Adelana SMA, Olasehinde PI, Bale RB, Vrbka P, Edet AE, Goni IB (2008) An overview of the geology and hydrogeology of Nigeria. Appl Groundw Stud Afr 13:171–197
• 2. Adepelumi AA, Falade AH (2017) Combined high-resolution aeromagnetic and radiometric mapping of uranium mineralization and tectonic settings in Northeastern Nigeria. Acta Geophys 65:1043–1068
• 3. Airo ML (2002) Aeromagnetic and aeroradiometric response to hydrothermal alteration. https://www.researchgate.net/publication/226294877
• 4. Airo ML, Loukola-Ruskeeniemi K (2004) Characterization of sulfide deposits by airborne magnetic and gamma-ray responses in eastern Finland. Ore Geol Rev 24:67–84
• 5. Armstrong M, Rodeghiero A (2006) Airborne geophysical techniques in Aziz. In: Materials of coal operators’ conference. University of Wollongong and Australian Institute of Mining and Metallurgy, pp 113–131
• 6. Boadi B, Wemegah DD, Preko K (2013) Geological and structural interpretation of the Konongo area of the Ashanti gold belt of Ghana from aeromagnetic and radiometric data. Int Res J Geol Min 3(3):124–135
• 7. Burke K, Dewey JF (1972) Orogeny in Africa. In: Dessauvagie TFJ, Whiteman AJ (eds) African geology. Ibadan University Press, Ibadan, pp 583–608
• 8. Dentith M, Mudge ST (2014) Geophysics for the mineral exploration geoscientist. Cambridge Univesity Press, Cambridge. ISBN 978-0-521-80951-1
• 9. Dickson BL, Scott KM (1977) Interpretation of aerial gamma-ray survey - adding the geochemical factors. AGSO J Australian Geol Geophys 17(2):187–200
• 10. Everett ME (2013) Near-Surface Applied Geophysics. Cambridge University Press, New York. https://doi.org/10.1017/CBO9781139088435
• 11. Fitches WR, Ajibade AC, Egbuniwe IG, Holt RW, Wright JB (1985) Late Proterozoic schist belts and plutonism in NW Nigeria. J Geol Soc 142(2):319–337
• 12. Foote RS, Humphrey NB (1976) Airborne radiometric techniques and application to uranium exploration. Exploration for uranium ore (IAEA-SM 208/47). IAEA, Vienna.
• 13. Foss C (2011) Magnetic data enhancements and depth estimation. In: Encyclopedia of solid earth geophysics, pp 736–746
• 14. Leu LK (1982) Use of reduction-to-the-equator process for magnetic data interpretation. Geophysics 47(4):445–445
• 15. Milligan PR, Gunn PJ (1997) Enhancement and presentation of airborne geophysical data. J Aust Geol Geophys 17(2):63–75
• 16. Nigerian Geological Survey Agency (2006) Geological map of Nigeria 1:1 000 000
• 17. Nigerian Geological Survey Agency NGSA (2010) Airborne geophysical digital data dissemination guidelines
• 18. Obaje NG (2009) Geology and mineral resources of Nigeria. In: Lecture notes in earth sciences, vol 120. Springer, Berlin. ISBN 978-3-540-92685-6
• 19. Ohioma JO, Ezomo FO, Akinsunmade A (2017a) Delineation of hydrothermally altered zones that favour gold mineralization in Isanlu area, Nigeria using aeroradiometric data. Int Ann Sci 2(1):20–27
• 20. Ohioma JO, Adegbite JT, Ehilenboadiaye JI (2017b) Geophysical identification of hydrothermally altered structures that favour gold mineralization. J Appl Sci Environ Manag 21(6):1047–1050
• 21. Oluyide PO, Nwajide CS, Oni AO (1998) The geology of the Ilorin with exploration on the 1:250,000 series, sheet 50 (Ilorin). Geol Surv Niger Bull 42:1–84
• 22. Oyawoye MO (1972) The basement complex of Nigeria. In: Dessauvagie TFJ, Whiteman AJ (eds) African geology. University of Ibadan Press, Ibadan, pp 67–99
• 23. Parasnis DS (1986) Principles of applied geophysics. Chapman and Hall, Boca Raton, pp 3–60
• 24. Petecki Z, Rosowiecka O (2017) A new magnetic anomaly map of Poland and its contribution to the recognition of crystalline basement rocks. Geol Q. https://doi.org/10.7306/gq.1383
• 25. Telford WM, Telford WM, Geldart LP, Sheriff RE, Sheriff RE (1990) Applied geophysics. Cambridge University Press, Cambridge
• 26. Thébault E, Finlay CC, Alken P, Beggan CD, Canet E, Chulliat A, Langlai B, Lesur V, Lowes F, Manoj C (2015) Evaluation of candidate geomagnetic field models for IGRF-12. Planets Space 67:112. https://doi.org/10.1186/s40623-015-0273-4
• 27. Woakes M, Rahaman MA, Ajibade AC (1987) Some metallogenetic features of the Nigerian basement. J Afr Earth Sci 6(5):655–664

Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021)