[ Caractérisation géochimique des formations carbonatées de l’est de la ville de Mbujimayi (Secteur de Lukelenge): Utilité dans les travaux de génie-civil ]
Volume 37, Issue 4, October 2022, Pages 818–829
Crispin Musambayi1, Télesphore Mayiba2, Aimé Tshibanda3, Hyppolite Mutombo4, Maclin Kabemba5, and Gaston Citenga Kabengele6
1 Université Officielle de Mbujimayi, RD Congo
2 Université officielle de Mbuji-Mayi, RD Congo
3 Université officielle de Mbujimayi, RD Congo
4 Université officielle de Mbujimayi, RD Congo
5 Université officielle de Mbujimayi, RD Congo
6 Centre de recherches géologiques et minières, RD Congo
Original language: French
Copyright © 2022 ISSR Journals. 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.
This article is a contribution to the geochemical characterization of carbonate rocks of the bushimay supergroup in the Lukelenge area. The samples were analyzed by the atomic absorption spectroscopy method and the results are presented in the form of curves and tables. The interpretation makes it possible to specify the usefulness of these rocks in civil engineering works. We present the results of a study that first addresses the cartographic aspect of the geological formations in this sector as well as new geochemical analysis data concerning the major elements. The geological map of the study area will also be presented. The cartographic study of the Lukelenge sector has made it possible to identify three lithological facies which are limestone, dolomitic limestones, dolerite and arkosic sandstones. The geochemical study based on major elements revealed the following average contents: CaO: 46.42%, MgO: 2.51%; Al2O3: 2.20%; SiO2: 8.85% and Fe2O3: 1.05%. This shows qualitatively the importance of the use of these rocks in cement but also in civil engineering works.
Author Keywords: Limestone, dolomitic, dolomitic limestone, characterization, geochemical.
Volume 37, Issue 4, October 2022, Pages 818–829
Crispin Musambayi1, Télesphore Mayiba2, Aimé Tshibanda3, Hyppolite Mutombo4, Maclin Kabemba5, and Gaston Citenga Kabengele6
1 Université Officielle de Mbujimayi, RD Congo
2 Université officielle de Mbuji-Mayi, RD Congo
3 Université officielle de Mbujimayi, RD Congo
4 Université officielle de Mbujimayi, RD Congo
5 Université officielle de Mbujimayi, RD Congo
6 Centre de recherches géologiques et minières, RD Congo
Original language: French
Copyright © 2022 ISSR Journals. 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.
Abstract
This article is a contribution to the geochemical characterization of carbonate rocks of the bushimay supergroup in the Lukelenge area. The samples were analyzed by the atomic absorption spectroscopy method and the results are presented in the form of curves and tables. The interpretation makes it possible to specify the usefulness of these rocks in civil engineering works. We present the results of a study that first addresses the cartographic aspect of the geological formations in this sector as well as new geochemical analysis data concerning the major elements. The geological map of the study area will also be presented. The cartographic study of the Lukelenge sector has made it possible to identify three lithological facies which are limestone, dolomitic limestones, dolerite and arkosic sandstones. The geochemical study based on major elements revealed the following average contents: CaO: 46.42%, MgO: 2.51%; Al2O3: 2.20%; SiO2: 8.85% and Fe2O3: 1.05%. This shows qualitatively the importance of the use of these rocks in cement but also in civil engineering works.
Author Keywords: Limestone, dolomitic, dolomitic limestone, characterization, geochemical.
Abstract: (french)
Cet article est une contribution à la caractérisation géochimique des roches carbonatées du super groupe de bushimay dans le secteur de Lukelenge. Les échantillons ont été analysés par la méthode de spectroscopie d’absorption atomique et les résultats sont présentés sous forme des courbes et des tableaux. L’interprétation permet de préciser l’utilité de ces roches dans les travaux de génie civil. Nous présentons les résultats d’une étude qui aborde d’abord l’aspect cartographique des formations géologiques de ce secteur ainsi que des nouvelles données d’analyse géochimiques concernant les éléments majeurs. La carte géologique du secteur d’étude sera également présentée. L’étude cartographique du secteur Lukelenge a permis d’identifier trois facies lithologiques qui sont le calcaire, les calcaires dolomitiques, la dolérite ainsi que les grès arkosiques. L’étude géochimique basée sur des éléments majeurs a révélé les teneurs moyennes suivantes: CaO: 46,42%, MgO: 2.51%; Al2O3: 2.20%; SiO2: 8.85% et Fe2O3: 1.05%. Ceci montre qualitativement l’importance de l’utilisation de ces roches en cimenterie mais aussi dans les travaux de génie civil.
Author Keywords: Calcaire, dolomitique, calcaire dolomitique, caractérisation, géochimique.
How to Cite this Article
Crispin Musambayi, Télesphore Mayiba, Aimé Tshibanda, Hyppolite Mutombo, Maclin Kabemba, and Gaston Citenga Kabengele, “Geochemical characterization of the carbonate formations in the east of the city of Mbujimayi (Lukelenge Sector): Usefulness in civil engineering works,” International Journal of Innovation and Applied Studies, vol. 37, no. 4, pp. 818–829, October 2022.
