Figure 4. (A) The position of the Cameroon Volcanic Line (CVL) in Africa and the major cratons; (B) the CVL with major Cenozoic centers showing the position of Oku Volcanic Group (OVG - square) where Nkor Noni is located; (C) Geologic sketch map of Cameroon showing the main lithostratigraphic domains of the Neoproterozoic Pan-African orogenic belt, adapted from and . Dashed line represents the assumed geophysical limit of the Congo craton after Toteu et al. (2004); (D) Geologic map of study area. CASZ = Central African Shear Zone, . SF: Sanaga Fault, ASZ: Adamawa Shear Zone, CCSZ: Central Cameroon Shear Zone, FSZ=Foumban Shear Zone, Inset shows the map of Africa. TBF: Tcholliré-Banyo Fault. Geology map of Cameroon after : Petrochemical Characterization of Basaltic Dykes in Nkor Noni Area of Mount Oku, Cameroon Volcanic Line: Constrain on the Source of Magma and the Geotectonic Setting : Science and Education Publishing

Figure 4. (A) The position of the Cameroon Volcanic Line (CVL) in Africa and the major cratons; (B) the CVL with major Cenozoic centers showing the position of Oku Volcanic Group (OVG - square) where Nkor Noni is located; (C) Geologic sketch map of Cameroon showing the main lithostratigraphic domains of the Neoproterozoic Pan-African orogenic belt, adapted from and . Dashed line represents the assumed geophysical limit of the Congo craton after Toteu et al. (2004); (D) Geologic map of study area. CASZ = Central African Shear Zone, . SF: Sanaga Fault, ASZ: Adamawa Shear Zone, CCSZ: Central Cameroon Shear Zone, FSZ=Foumban Shear Zone, Inset shows the map of Africa. TBF: Tcholliré-Banyo Fault. Geology map of Cameroon after

Journal of Geosciences and Geomatics. 2024, 12(3), 62-72 doi:10.12691/jgg-12-3-2