The intense activities of gold washers encountered in the area enable to link that mineralization to gold within quartz veins. Also, the poor mineralization and conductive structures in shear zones characterize the groundwater zones. This mineralization proves the presence of metalliferous or sulphide heaps disseminated in weathered quartz veins which cross shear zones. The mineralization within it is N-S and characterized by high values of chargeability, essentially in the eastern part of the area under study. The structural trend of these shear zones is E-W. Conductive zones have been identified as shear zones within granitic structures of the Precambrian basement, according to the geologic and tectonic background of the area. Interpretation and analyses of results from each investigation method highlight weak zones or conductive discontinuities and mineralized zones. Electrical methods used are the Direct current (DC) and the Induced Polarization (IP). The data have been processed and modelled with Res2Dinv and Winsev softwares then interpolated with Surfer software. The instrument is the resistivimeter Syscal Junior 48 (IRIS Instrument) which uses the electrical current. To achieve the current study, geoelectrical surveys along six (06) profiles of 4 km long in a 100 m × 200 m grid defined according to the triangulation principle in the Ngoura area (Tindikala-Boutou villages) have been made through electrical sounding and profiling following Schlumberger array. Keywords: Geoelectrical Surveys Direct Current IP Method Resistivity Chargeability Shear Zones Gold Mineralization Received Novemrevised Januaccepted February 23, 2013 This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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However, if you purchase the upgrade using our secure online order form before Februjust pay $229 ! Also, select Download Delivery to receive download instructions within two business hours.īlog Title Image: Geophysical Survery created in Surfer 12, submitted by Forrest Environmental Services, Inc.1Department of Physics, Faculty of Science, University of Yaoundé I, Yaoundé, CamerounĢDepartment of Physics, Advanced Teacher’s Training College, University of Yaoundé I, Yaoundé, CamerounģDepartment of Applied Geophysics, Geology and Mining Exploitation College, University of Ngaoundéré, Ngaoundéré, CamerounĤDepartment of Earth Sciences, Faculty of Science, University of Yaoundé I, Yaoundé, CameroonĮmail: © 2013 Daniel Hervé Gouet et al.
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