Structure of the lithosphere beneath Cameroon using global gravity model data: implications for the setting of the Cameroon Volcanic Line

Fantah, Cyrille Armel Cheunteu; Kamga, Alain Pierre Tokam; Mouzong, Marcelin Pemi; Nouayou, Robert; Nguiya, Séverin

doi:10.1007/s11600-023-01106-4

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Cited by 2 publications

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Deep Crustal and Upper Mantle Structures in North Africa: A Review

Basheer

2024

Regional Geology Reviews

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Deep Crustal and Upper Mantle Structures in North Africa: A Review

Basheer

2024

Regional Geology Reviews

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Spatial Analysis of Gravity Data in the Basement of the Yaoundé-Yoko Area from the Global Gravity Model: Implication on the Sanaga Fault (South-Cameroon)

Marcelin,

Evariste,

Donald

et al. 2023

OJG

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In this work, gravity anomalies from the XGM2016 global gravity model are used to study the basement of the Yaounde, Yoko area. The aim is to locate the characteristic tectonic faults and to characterize the geometry of the basement of these localities in order to improve the knowledge of the structural and tectonic basement of the study area. Numerical filters (vertical gradient, horizontal gradient, upward continuation) and Euler deconvolution were applied to the gravity anomalies respectively for qualitative and quantitative analysis. The results of the qualitative analysis allowed us to establish the lineament map of the study area; ranging from 0 to 35 km depth. For the quantitative analysis, the work is done in two parts: 1) highlighting the distribution of depths of geological structures in the basement of the study area; 2) 2D1/2 modeling of geological structures to highlight the geometry of the basement of Yaounde, Yoko area. Thus, from five suitably selected profiles, the established models reveal the presence of eight blocks of geological structures of different densities and analyze their implications on the Sanaga Fault. Moreover, the models show that the positive anomalies characteristics for the Sanaga Fault reflect the anomalous character due to the strong dominance of the shale intrusion in the basement.

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Structure of the lithosphere beneath Cameroon using global gravity model data: implications for the setting of the Cameroon Volcanic Line

Cited by 2 publications

References 78 publications

Deep Crustal and Upper Mantle Structures in North Africa: A Review

Deep Crustal and Upper Mantle Structures in North Africa: A Review

Spatial Analysis of Gravity Data in the Basement of the Yaoundé-Yoko Area from the Global Gravity Model: Implication on the Sanaga Fault (South-Cameroon)

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Structure of the lithosphere beneath Cameroon using global gravity model data: implications for the setting of the Cameroon Volcanic Line

Cited by 2 publications

References 78 publications

Deep Crustal and Upper Mantle Structures in North Africa: A Review

Deep Crustal and Upper Mantle Structures in North Africa: A Review

Spatial Analysis of Gravity Data in the Basement of the Yaound&#233;-Yoko Area from the Global Gravity Model: Implication on the Sanaga Fault (South-Cameroon)

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Product

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Spatial Analysis of Gravity Data in the Basement of the Yaoundé-Yoko Area from the Global Gravity Model: Implication on the Sanaga Fault (South-Cameroon)