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https://doi.org/10.5194/se-2020-135
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/se-2020-135
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

  02 Sep 2020

02 Sep 2020

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This discussion paper is a preprint. It has been under review for the journal Solid Earth (SE). The manuscript was not accepted for further review after discussion.

Structural features derived from a Multiscale Analysis and 2.75D Modelling of Aeromagnetic Data over the Pitoa-Figuil Area (Northern Cameroon)

Voltaire Souga Kassia1, Theophile Ndougsa-Mbarga1,2, Arsène Meying3, Jean Daniel Ngoh1, and Steve Ngoa Embeng1 Voltaire Souga Kassia et al.
  • 1Postgraduate School of Science, Technology and Geosciences, University of Yaoundé I, Yaoundé, Cameroon
  • 2Department of Physics, Advanced Teacher's Training College, University of Yaoundé I, P.O. Box 47, Yaoundé, Cameroon
  • 3School of Geology and Mining Engineering, University of Ngaoundéré, P.O. Box 115, Meiganga, Cameroon

Abstract. In the Pitoa-Figuil area (Northern Cameroon), an interpretation of aeromagnetic data was conducted. The aim of this investigation was first to emphasize lineaments hidden under geological formations and secondly to propose two 2.75D models of the subsurface structures. Different magnetic data processing techniques were used, notably horizontal gradient magnitude, analytic signal, and Euler deconvolution. These techniques in combination with the 2.75D modelling to the aeromagnetic anomaly reduced to the equator permit to understand the stratification of the deep and near surface structures, which are sources of the observed anomalies. We managed to put in evidence and characterize 18 faults and some intrusive bodies. According to Euler's solutions, anomaly sources go up to a depth of 5.3 km.

Voltaire Souga Kassia et al.

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Voltaire Souga Kassia et al.

Voltaire Souga Kassia et al.

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Short summary
In the Pitoa-Figuil area (Northern Cameroon), an interpretation of aeromagnetic data was conducted with an aim of investigating lineaments hidden under geological formations and proposing subsurface structures through a 2.75D modelling. A multiscale analysis combines with the 2.75D modelling has lead to put in evidence 18 faults and some intrusive bodies. According to Euler's solutions, anomaly sources go up to a depth of 5.3 km.
In the Pitoa-Figuil area (Northern Cameroon), an interpretation of aeromagnetic data was...
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