alexa The Influence of Local Geology on the Groundwater Potential of Kunike Sanda and Barina Chiefdoms Tonkolili District Northern Sierra Leone
ISSN: 2157-7587

Hydrology: Current Research
Open Access

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Research Article

The Influence of Local Geology on the Groundwater Potential of Kunike Sanda and Barina Chiefdoms Tonkolili District Northern Sierra Leone

Yaguba Jalloh1*, Kyuro Sasaki1 and Mustapha Olajiday Thomas2

1Department of Earth Resources Engineering, Faculty of Engineering, Kyushu University, Fukuoka 819-0395, Japan

2Department of Geology, Faculty of Pure and Applied Sciences, Fourah Bay College, Freetown, Sierra Leone

*Corresponding Author:
Yaguba Jalloh
Department of Earth Resources Engineering
Faculty of Engineering, Kyushu University
Fukuoka 819-0395, Japan
Tel: +23276503624
E-mail: [email protected]

Received Date: December 19, 2016; Accepted Date: December 22, 2016; Published Date: December 29, 2016

Citation: Jalloh Y, Sasaki K, Thomas MO (2016) The Influence of Local Geology on the Groundwater Potential of Kunike Sanda and Barina Chiefdoms Tonkolili District Northern Sierra Leone. Hydrol Current Res 7:262. doi: 10.4172/2157- 7587.1000262

Copyright: © 2016 Jalloh Y, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

This research investigated the influence of the local geology on the groundwater potential of the two kunike chiefdoms (Sanda and Barina) in the Tonkolili District, Northern Sierra Leone. The local geology is made up of rocks typical of the West African Archean greenstone belt. The stratigraphic sequence is marked by the basic ultramafics followed by mafics (metavolcanics) and a metasedimentary unit i.e., quartzite and banded iron formations in a greenstone belt lying on or beside granitic basement rocks. The basement relationship of the granites to the supracrustals has been obliterated by intrusion of Late-Kinematic granites and by deformation and metamorphism during the Liberian tectonothermal event (=2700 Ma) which produced the dominant N-S to NNE-SSW trend. Because of the geology, aquifers in the studied area are located in two different lithologies-granitic terrain and schist belt. Aquifer characteristics such as transmissivity and yield were measured and compared for the different lithologies. Comparison results show that the yield is greater (0.03%) in the granitic terrain than in the schist belt. And this is because of the presence of clays in the schist belt. The research also revealed that groundwater is readily available in the area.

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