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Research Paper | Geophysics | Zimbabwe | Volume 3 Issue 7, July 2014 | Popularity: 6.9 / 10

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The Magnetic Signature of Gold Bearing Rocks at Mphoengs

Bernard Siachingoma, Simbarashe Chipokore

Abstract: Geophysics can make significant contribution to the life of mankind by skilfully helping in the precise location of valuable concealed ore deposits of economic value. The aim of this study was to conduct a geophysical survey using ground magnetics on NMPL north and south base metal blocks to detect disseminated sulphides which are associated with gold mineralisation located in Mphoengs, Bulilimamangwe District of Zimbabwe. More specifically it sought to generate anomaly maps of the study area with the ultimate aim of establishing beyond doubt regions with greater concentration of valuable gold deposits. A series of measurements were done and results presented as anomaly maps. The project is located within a narrow corridor of variably altered talcose horn blend-chlorite schist and serpentinites. This is a highly mineralized gold zone that has seen significant gold production in the past and shows potential for discovery of major gold resources in the future. The study area is located within a geologic setting considered highly prospective for the presence of a low tonnage high grade, bulk mineable gold deposit. The results really show the applicability of Physics to providing practical solutions to real problems. The established anomaly maps are usable by the project client to plan and zoom in on the most profitable regions of the surveyed area.

Keywords: Geophysics, magnetics, disseminated sulphides, gold mineralisation, potential, mineable deposit, anomaly maps

Edition: Volume 3 Issue 7, July 2014

Pages: 157 - 161

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