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Title: | Interpretation of geological structures hosting potential gold deposits in the Konongo Gold Mine using airborne magnetic, electromagnetic and radiometric datasets |
Authors: | Brempong, Fosu Wemegah, David Dotse Preko, Kwasi Armah, Thomas Aning, Akwasi Acheampong et. al |
Keywords: | Radiometry Magnetic Electromagnetic Geological Structures Gold Mineralization |
Issue Date: | 30-Jun-2019 |
Publisher: | Scientific Research Publishing Inc. |
Citation: | Brempong, F., Wemegah, D. D., Preko, K., Armah, T., Boadi, B., Menyeh, A., Oppong, I. A., Quarshie, M. M., Aning, A. A., Asare, V. S., & Noye, R. M. (2019). Interpretation of Geological Structures Hosting Potential Gold Deposits in the Konongo Gold Mine Using Airborne Magnetic, Electromagnetic and Radiometric Datasets. Journal of Geoscience and Environment Protection, 7, 203-225. https://doi.org/10.4236/gep.2019.76016 |
Abstract: | The renewed interest in the reactivation of the defunct National Konongo
Gold Mine located in the Ashanti Greenstone Belt, calls for a further probe
into its geology and the associated mineral hosting structures to discover its
mineralization potential. In order to achieve this, airborne magnetic, radiometric
and electromagnetic datasets were interpreted to determine the potential
gold hosting features in the studied area. The results show the area to
consist of the metasediment, the metavolcanic, Tartwaian Formation and
their associated granitoids. Results also show that the Tarkwaian sediments,
observed largely in the north-eastern side of the site; widen out substantially
and truncate in the south. The analysis of the structure lineaments using a
rose diagram reveals three main tectonic structures trending in N-S, NNW-SSE,
and third the structure trending in the NNE-SSW to NE-SW directions in the
area. The dominant structures in the area, form 90% of all the delineated
structures and trend in the NE-SW and NNE-SSW direction with the remaining
10% trending in the N-S and NNW-SSE. These structures are associated
with the major shear and fracture zones located mainly at the contact
between the basin sediments and volcanic belt and also associated with the
Tarkwaian Formation. The mapped potential gold mineralization zones located
mainly at the contact between the metasediment and the metavolcanic
units of the Birimian Supergroup, as well as the Tarkwaian Formation, were
mapped by integrating the structures, alteration zones as well as the complex
dyke systems. This paper delineates the prominent geological structures with
the potential of hosting economic gold mineralization in and around the Konongo Gold Mine. |
Description: | An article published by Scientific Research Publishing Inc. and also available at DOI: 10.4236/gep.2019.76016 Jun. 30, 2019 |
URI: | http://hdl.handle.net/123456789/12642 |
Appears in Collections: | College of Science
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