Browsing by Author "Ma'aji, U.M."

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    Analysis and Interpretation of Lineaments for Evaluation of Groundwater Potential in Shendam and Environs, North Central Nigeria
    (Department of Geology and Mining, Nasarawa State University Keffi, 2021-07-05) Abusu, C.O.; Ma'aji, U.M.; Ancho, M.I.; Iliya, M.M.
    This study was done to evaluate the groundwater potentials of Shendamand environs using lineaments analysis. The trends of field joints weremeasured during mapping and using satellite remote sensing to generate lineament. The area is underlain by crystalline basement rocks of biotite granite, mediumgrain granite, and syenite. Assessment was carried out to depict the possibility of groundwater occurrence in the area. LANDSAT ETM+ imagery was used, together with the geological map to investigate areas favorable for groundwater development. This was achieved by plotting the lineament trends, superimposing the lineament on the geological map, superimposing the lineament on the drainage map, furthermore by plotting densitymap to know the groundwater potentials of the area. Lineament was used in drawing the respective rose diagrams for each rock type. Structurally, the area is characterized by a predominant NE to SW trend which also affects or controls drainage and groundwater occurrence with major groundwater recharge areas trending NE- SW of the study area. Analyses have shown that the study area has numerous fractures whose major trends are mainly in NE-SW directions. Lineament density maps shows the cross-cutting lineaments to be relatively high in the areas around the northeastern to southwestern parts of the study area but low in the other areas. Zones of high lineament intersection density are feasible zones for groundwater prospecting
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    ItemOpen Access
    Analysis and Interpretation of Lineaments for Evaluation of Groundwater Potential in Shendam and Environs, North Central Nigeria
    (Department of Geology and Mining, Nasarawa State University Keffi., 2021-01-01) Abusu, C.O.; Ma'aji, U.M.; Ancho, M.I.; Iliya, M.M.
    This study was done to evaluate the groundwater potentials of Shendamand environs using lineaments analysis. The trends of field joints weremeasured during mapping and using satellite remote sensing to generate lineament. The area is underlain by crystalline basement rocks of biotite granite, mediumgrain granite, and syenite. Assessment was carried out to depict the possibility of groundwater occurrence in the area. LANDSAT ETM+ imagery was used, together with the geological map to investigate areas favorable for groundwater development. This was achieved by plotting the lineament trends, superimposing the lineament on the geological map, superimposing the lineament on the drainage map, furthermore by plotting densitymap to know the groundwater potentials of the area. Lineament was used in drawing the respective rose diagrams for each rock type. Structurally, the area is characterized by a predominant NE to SW trend which also affects or controls drainage and groundwater occurrence with major groundwater recharge areas trending NE- SW of the study area. Analyses have shown that the study area has numerous fractures whose major trends are mainly in NE-SW directions. Lineament density maps shows the cross-cutting lineaments to be relatively high in the areas around the northeastern to southwestern parts of the study area but low in the other areas. Zones of high lineament intersection density are feasible zones for groundwater prospecting.
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    Aquifer vulnerability mapping using SINTACS model: Implication for groundwater management in a granular sandstone formation
    (Department of Geology and Minning, Nasarawa State University Keffi, 2022-12-13) Nuhu, Degree Umar; Olufemi, Victor Omonona; Ma'aji, U.M.; Ogbonnaya, Igwe; Obialo, Solomon Onwuka
    Indices of SINTACS were used to analyze the aquifer vulnerability of the Lafia Formation aquifer (central Nigeria). The assessment of the aquifer vulnerability of the Lafia Sandstone aquifer is essential because the aquifer constitutes the only aquifer in the region that supplies the water demand of the region for all purposes. The urban area is growing and as such, more domestic and industrial wastes are generated which are disposed of indiscriminately. Contemporaneously, agricultural activities are on the increase in the rural areas which generate agricultural wastes. The SINTACS model employs seven parameters (depth to water level, effective infiltration, unsaturated zone, soil media, aquifer media, hydraulic conductivity, and topographic slope), which were employed to produce vulnerability maps. The severe vulnerability index (VI) ranged from 139.79 to 209.19. The vulnerability mapping reveals that the water-bearing formation is highly vulnerable in the central and southern parts of the area, which account for 27.98% of the total area. The medium vulnerability area encompasses approximately 46.23% of the region and is the most prevalent vulnerability class and 25.79% of the area around the northern part of the area accounts for low vulnerability. Nitrate concentrations measured in groundwater of the area compared significantly with the vulnerability zones classified by the VI. Parameters for the unsaturated zone and depth to water level imposed the largest impact on the VI thus, during groundwater development, wells should be made to drill to greater depths, wells should be concentrated in the areas of low and medium vulnerability, and indiscriminate disposal of wastes should be discouraged.
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    Assessment of Groundwater Quality for Drinking and Irrigation Purposes in Ara and Environs, Part of Keffi Sheet 208 Sw, North-central Nigeria
    (Department of Geology and Minning, Nasarawa State University Keffi, 2020-09-09) Kano, M.A.; Ma'aji, U.M.; Iliya, M.M.
    The aim of the study is to assess groundwater quality for drinking and irrigation purposes in north central Nigeria. A total of 46 groundwater samples Ara and environs, from 23 locations were collected randomly from hand- dug wells and hand pump borehole, and analysed for major cations and anions. The dominant cations and anions were in the order of Mg > Ca > Na > K and anions were in the order of Mg > Ca > Na > K and HC03 > Cl > SO, > N03, respectively. Gibb's plo portrayed that, the ionic composition of samples is controlled by rock-water interaction groundwater (weathering). Geochemical result of the water samples collected from the study area showed that groundwater in1 the area is suitable for drinking. Value of Sodium Absorption Ratio, Residual Sodium Carbonate, Total Hardness, Total Dissolved Solids, and Kelley Indices revealed that groundwater in the study area is excellent for irrigation. Values of Percentage Sodium and Permeability Index revealed that groundwater in the area fall within the categories of water that is excellent and good for irrigation purposes. Electrical Conductivity values revealed that groundwater fall within the irrigation purposes. While Magnesium Ratio values Indicates that the water in the study area falls within the categories of water that is excellent to poor for irrigation purposes.
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    Assessment Of Outdoor Radiation Levels And Radiological Health Hazards In Abzat Quarrying Site In Keffi, Nasarawa State.
    (Department Of Library And Information Science, Faculty Of Education, Nasarawa State University, Keffi., 2021-06-04) Idris, M.M.; Isah, S.H.; Iliya, M.M.; Wada, H.M.; Ma'aji, U.M.
    In this study, the assessement of the outdoor background radiation levels in Abzat quarrying sites in Keffi, Nasarawa State has been studied. The outdoor in-situ background exposure rate level for thirty (30) quarryng spots were done using a well calibrated portable halogen-quenched Geiger Muller (GM) detector (Inspector alert nuclear radiation monitor SN: 3544) at 1 m hieght above above ground level. The spots where the measurement were taken, a Global Positioning System (GPS) was used to record the geopoints. Radiological health hazards parameters and radiation effective doses to different body organs were evaluated using the measured exposure rates values. The values of radiological hazard paramaters obtained were compared with recommended permissible limits set by International Commission on Radiological Protection (ICRP) and United Nations Scientific Committee on the effect of Atomic Radiation (UNSCEAR) for hazard evaluation.. The mean values of the outdoor background exposure levels (0.0945 mRh'1), absorbed dose rates (822.44 nGylr1) and excess lifetime cancer risk (3.53.x 10**;) arc higher than the recommended safe limits of 0.013 mRh'1, 84.0 nGyh'1, 0.29xl0'3 respectively .as recommended by UNSCEAR and ICRP. The mean annual effective dose equivalent (1.00 mSvy'1) is within the recommended pennissible limits of 1.00 mSvy*1 for general public exposure and the effective doses to different body organs are all below the recommended limits of 1.0 mSvy'1. The background exposure level in Abzat quaring site is relatively safe with a potential of posing health risk on residence of the area in years to come due to doses accumulated.
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    Background Gamma Radiation Measurement Of Market Places In Keffi, Nasarawa State, Nigeria.
    (Department Of Library And Information Science, Faculty Of Education, Nasarawa State University, Keffi., 2021-06-05) Sarki, M.U.; Ma'aji, U.M.; Iliya, M.M.; Isah, S.H.; Wada, H.M.; Ahmed, I.
    In this study, the assessement of background gamma radiation measurement of market places in Keffi Nasarawa State, Nigeria has been conducted. An in-situ measurement of background gamma exposure rate count per minute for twenty locations from two market (ten measurement each) was done using a well calibrated portable halogen-quenched Geiger Muller (GM) detector (Inspector alert nuclear radiation monitor SN: 3544) at an elevation of 1.0 m above ground level with a Global Positioning System (GPS) for geographical locations. Using an established radiological relations, the radiological health hazards were evaluated using the measured background gamma exposure rates. The values obtained were compared with recommended limits set by ICRP and UNSCEAR to ascertain the radiological hazard status of the environment. The mean values of the background gamma exposure levels (0.0869 mRh'1), absorbed dose rates (756.03 nGyh'1) and excess lifetime cancer risk (3.245x 1 O'3) are higher than their recommended safe limits of 0.013 mRh'1, 84.0 nGyh'1, 0.29x10’3 respectively as recommended by UNSCEAR and ICRP. The mean Annual Effective Dose Equivalent (AEDE) (0.927 raSvy'1) is lower than the recommended permissible limits of 1.00 mSvy'1 for general public exposure and also the effective doses to different body f organs are all below the recommended limits of 1.0 mSvy'1. Generally, the study shows that market places • in Keffi, Nasarawa State is relatively safe radiologically with little contamination which could be attributed C to the to human activity and partly due to geological formation of the market places. However, the contamination will not pose any immediate radiological health effect on resident of the area but there is tendency for long-term health hazards in the future such as cancer due to doses accumulated.
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    Global Solar Irradiance over Keffi Town and its Environs, Nasarawa State, Nigeria
    (Department of Physics, Nasarawa State University Keffi, 2020-06-01) Mamman, Andah; Ibrahim, Umar; Dauda, Samson Yusuf; Musa, Bilya Abubakar; Ma'aji, U.M.
    The need to model energy generation has been on the increased, because of the rising needs of the power for use by large and small scale users. In this study, the assessment of global solar irradiance over Keffi and its environs, Nasarawa State, Nigeria was determined. A simple random sampling technique was used to select twelve locations in Keffi and its environs, Nasarawa State Nigeria for the measurement of global solar irradiance. Three 12V, 5W solar panels were used and a measurement interval of three hour daily (12.00pm to 3.00pm) was made using the Secondary Standard Pyranometer placed on the top of the panels. The continuity in the assembled system was measured using an Avometer. A model based on Angstrom-Prescott Regression Equation: ���� = ��0 [�� + �� ( �� �� )]was developed to calculate the solar irradiance for Keffi and its environs. The regression constants ‘a’ and ‘b’ were obtained to be 0.58 and 0.002 respectively by simple arithmetic. The highest value of the measured monthly average daily global solar radiation value was observed in the month of February (26.07 MJ/m2) while the lowest value was observed in the month of August (12.63 MJ/m2) with an average value of 19.24 MJ/m2. The extraterrestrial solar radiation was found to range from 24.43 MJ/m2 in December to 53.60 MJ/m2 MJ/m2 in February with average value of 37.97MJ/m2. The developed model can be used to predict solar radiation in Keffi and its environs, Nasarawa State
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    HYDROCHEMICAL ASSESSMENT OF SURFACE AND GROUNDWATER QUALITY IN SISIN BAKI, FARIN RUWA AND ENVIRONS, PART OF KURRA SHEET 189 SW, NORTH CENTRAL NIGERIA
    (Department of Geology and Mining, Nasarawa State University Keffi, 2020-01-01) Ma'aji, U.M.; Kana, M.A.; Iliya, M.M.
    The study area, Sisin Baki, Farin Ruwa and environs are located in Wamba Local Government Area of Nasarawa State in Kurra sheet 189 SW, North Central Nigeria. It is bounded by Latitudes 090 00’ 00” N to 090 07’ 30” N and Longitudes 080 35’ 00” E to 080 45’ 00” E, covering an area of about 253 km2. It is underlain by the Basement Complex rocks of north-central Nigeria generally undulating with many reliefs which are influenced by the geology. The topography is characterized by many high mountains and some low lands drained by rivers and streams which are used for agriculture. Twenty-seven (27) samples of both surface water (streams and rivers) and groundwater (boreholes and shallow wells) were collected from the study area following the standard procedure as prescribed by APHA (1995) guidelines. Various physical parameters (T0C, pH, TDS, EC, TH) and chemical parameters such as major anions (Cl−, SO4 2−, CO3 2−, HCO3 2−), and cations (Na+, K+, Ca2+,Mg2+) were analysed using standard procedures. The dominant ions were in the order of Mg > Ca > HCO3 > Na > Cl > K > SO4. The results showed that the groundwater in the area is predominantly suitable for drinking. The assessments of water studied for irrigation show that almost all the water sources of the study area are suitable for irrigation purposes
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    Lineaments Analysis and Interpretation for Assessment of Groundwater Potential of Lafia and Environs, North Central Nigeria
    (Department of Geology and Minning, Nasarawa State University Keffi, 2019-02-01) Ma'aji, U.M.; Maina, M.B.; Sarki, M.U.
    This work was carried out to investigate the groundwater potentials of Lafia and environs using lineaments analysis. It studied the relationship between the characteristics and occurrence of groundwater in aquifers ranging from 50m-150m depth in the varying sedimentary rocks of the area by examining the possibility of groundwater occurrence in the different sedimentary rocks, despite the general understanding that shales are less porous and permeable. It shows the use of LANDSAT ETM+ imagery and geological map to investigate areas favourable for groundwater development. This was achieved by plotting the lineament trends, and lineament density to know the groundwater potentials. Rose (azimuth-frequency) diagram of the lineaments delineated on the imagery shows the trends in the directions N-S, NE-SW and NW-SE. The two dominant trends are N-S and NW-SE. The analyses have shown that the study area has numerous fractures whose major trends are mainly in north-south and northwest-southeast directions. Lineament density maps shows the cross-cutting lineaments are relatively high in the areas around the north-eastern south-western parts of the study area but low in the other areas. The zones of high lineament intersection density are feasible zones for groundwater prospecting.
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    Petrographic Studies of Rocks around Arum and Its Environs, North Central Nigeria
    (Department of Geology and Mining, Nasarawa State University Keffi, 2021-05-10) Iliya, M.M.; Ma'aji, U.M.; Umar, Isah
    A detailed geological mapping of the area around Arum and environs part of Kurra sheet 189 SW was carried out on the scale of 1: 12, 500. Geologic field mapping and petrographic study (both megascopic and microscopic) were the methodology used. The geologic mapping of the area identified four rock units which are; granite, porphyritic granite, granitic gneiss and Porphyroblastic gneiss. These rock types were distributed such that the granite at the north-eastern part covered about 25%, the north –western portion was occupied by the porphyritic granite which occupied the largest portion of about 30% of the area. The third rock unit is the granitic gneiss which covered only about 20%. The fourth (last) and the oldest rock unit is the Porphyroblastic gneiss covering about 25% of the total area at the south-eastern corner. Megascopic and microscopic study revealed that the rocks in the area comprised of minerals such as; quartz, biotite, muscovite, microcline, feldspar, hornblende, garnet, etc. Structures that were clearly evident in the area included fault, foliation, joints, and veins. Structural analysis showed that their rose diagrams proved a NW-SE, NNE-SSW and NE-SW trends to be dominant