Figure 1. Structural Map showing the Douala and Kribi-Campo sub-basins of Cameroon (modified from [37] 1. Archean and paleoproterozoic green rocks belts; 2. Archean charnockites and granitoïds; 3. Gneiss; 4. Granitic mobile zone; 5. Sedimentary basin; C. overlapping; D. Dolerites; F. Faults (SFZ: Sanaga Fault Zone; KFZ: Kribi Fault Zone; CFZ: Campo Fault Zone) From: A Comparative Geophysical Study of the Sedimentary-Metamorphic Contacts in the Douala and Kribi-Campo Sub-Basins of Cameroon Trends Journal of Sciences Research. 2018;3(1):33-51. doi: 10.31586/Geosciences.0301.05 Trends Journal of Sciences Research | © The Author 2018. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited. 1