Journal of
Geology and Mining Research

  • Abbreviation: J. Geol. Min. Res.
  • Language: English
  • ISSN: 2006-9766
  • DOI: 10.5897/JGMR
  • Start Year: 2009
  • Published Articles: 172

Full Length Research Paper

Crustal structure of southern Benue Trough, Nigeria from 3D inversion of gravity data

Mukaila Abdullahi
  • Mukaila Abdullahi
  • Department of Applied Geophysics, Indian Institute of Technology (ISM), Dhanbad 826004, India.
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Upendra K. Singh
  • Upendra K. Singh
  • Department of Applied Geophysics, Indian Institute of Technology (ISM), Dhanbad 826004, India.
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Umar M. Modibbo
  • Umar M. Modibbo
  • Department of Statistics and Operation Research, Modibbo Adama University of Technology, Yola; Nigeria.
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  •  Received: 19 July 2018
  •  Accepted: 24 September 2018
  •  Published: 31 October 2019

Abstract

3D Moho interface has been computed from the airborne Bouguer anomaly beneath the southern part of the Benue Trough (BT), using the MATLAB program 3DINVER.M. From the study, the maximum Moho depth of 27.5 km and the minimum Moho depth of 18.1 km were computed. Interpretation of the gravity data of the southern part of the BT suggests that igneous input contributed greatly to the understanding of its concomitant deep crustal processes. The Moho depth elevation from the area is calculated to be around 9.4 km. This is in agreement with the Moho uplift within the study region as suggested by earlier researchers.

Key words: Lower Benue trough, crust, mantle, bouguer gravity data, 3DINVER.M.

 

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