Diamond-Bearing Gravels Along the Lower Kwango River DRC - Geology and Resource Potential of the Congo Basin - page 341

Fig. 16.12 Airborne EM over Block 10. Shallow signals (C150f) are illustrated on the left and deep responses (C2240f) on the right . Interpreted ( yellow are shallow; green are deep) anomalies are
reflected on both. The less resistive materials are reflected by the darker colours