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Contribution of advanced edge-detection methods of potential field data in the tectono-structural study of the southwestern part of Cameroon
Title Contribution of advanced edge-detection methods of potential field data in the tectono-structural study of the southwestern part of Cameroon Author info Alain Rodrigue Nzeuga ... [et al.] Author Nzeuga Alain Rodrigue (20%)
Co-authors Ghomsi Franck Eitel (10%)
Pham Luan Thanh (5%)
Eldosouky Ahmed M. (10%)
Aretouyap Zakari (5%)
Kana Janvier Domra (5%)
Yasmine Zambou Tsopgni (5%)
Fokem Alpha Baster Kenfack (5%)
Nouayou Robert (5%)
Abdelrahman Kamal (5%)
Fnais Mohammed S. (5%)
Andráš Peter 1953- (20%) UMBFP04 - Katedra životného prostredia
Source document Frontiers in Earth Science. Vol. 10 (2022), pp. 1-15. - Lausanne : Frontiers Media S.A., 2022 Keywords geologické štruktúry sedimenty - sediments Headings Geogr. Kamerun Form. Descr. články - journal articles Language English Country Switzerland Annotation The southwest part of Cameroon is composed of a range of geological structures and sedimentary basins, whose geological history dates from the Cretaceous, and their establishment would have originated from the opening of the South Atlantic. Among these structures, the most important is the Cameroon Volcanic Line, generally denoted CVL, followed by the southern part of the Central African Shear Zone (CASZ) called the Foumban Shear Zone (FSZ), the Ntem Complex, the Benue Trough, the northern margin of the Congo Craton, and many others. The major structures identified in this part are formed as a result of geodynamic activity between the Oligocene and the recent period, to which we can add the volcanism that exists along with the continental limit. The XGM201e_2159 model is used to highlight the geological structures of Southwestern Cameroon. First, we separated the regional and residual anomalies from Bouguer gravity data. Then, we used a combination of filters to enhance the signature of the residual anomalies in Southwest Cameroon. These filters identified various geological structures in the area. Finally, we applied the enhanced horizontal gradient amplitude (EHGA) and multi-scale horizontal derivative of the vertical derivative (MSHDVD) methods to reveal the geological contacts, allowing us to establish the corresponding structural map of the region. In addition, the results obtained in this study are the first to precisely define the circumferential demarcation of the continental and oceanic expansions of Mount Cameroon, while clearly illustrating the Bao, Bomana, Tiko, and Ekona faults that extend to the Bakassi Peninsula and the Douala outlet. Furthermore, they highlight the strike–slip faults in the summit vicinity. The structural map shows that most of the geological boundaries identified in the area are trending in the NE–SW, NNE–SSW, ENE–WSW, N–S, and NW–SE directions. URL Link na plný text Public work category ADC No. of Archival Copy 52195 Repercussion category SAFANI, Jamhir - IBRAHIM, Khalil - DENI, Wa - RUBAIYN, Al - FIRDAUS, F. - HARISMA, H. Interpreting structural configuration of the Sengkang Basin of Indonesia using edge detection and 3-D Euler deconvolution to satellite gravity data. In Turkish journal of earth sciences. ISSN 1300-0985, 2023, vol. 32, no. 7, pp. 894-914.
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