Browsing by Author "Iliya, M.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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    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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    Enhanced Oil Recovery Using C02 Flooding: Nome Field E-Segment Case Study
    (Department of Geology and Minning, Nasarawa State University Keffi, 2019-01-04) Iliya, M.M.; Okereke, N.U.; Usman, Halima Osu
    Background: The Nome field is located 80 km north of the Heidrun field in the Norwegian Sea discovered in December 1991. Aim: The feasibility of using C02 flooding as a method of enhanced oil recovery in a segment of the Nome field was analysed. Methods: A numerical simulation using a black oil simulator approach was taken. For this study, a synthetic reservoir model, with fluid and rock properties from Nome field E-Segment was used to test the effect of C02 flooding on recovery factor. Results: The key findings are as follows: (1) The oil recovery of the base case after 7 years of water flooding was 40% (2) The recovery factor obtained after 15 years of continuous C02 injection was 32%. Conclusion: This study indicates that there is a feasibility of carrying out C02-E0R in the Nome field based on initial CQ2-EOR screening and simulation.
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    Enhanced Oil Recovery Using CO2 Flooding: Norne Field E-Segment Case Study
    (Department of Geology and Mining, Nasarawa State University Keffi, 2020-02-14) Iliya, M.M.; Okerere, N.U.; Usman, Halima Osu
    Background: The Norne field is located 80 km north of the Heidrun field in the Norwegian Sea discovered in December 1991. Aim: The feasibility of using CO2 flooding as a method of enhanced oil recovery in a segment of the Norne field was analysed. Methods: A numerical simulation using a black oil simulator approach was taken. For this study, a synthetic reservoir model, with fluid and rock properties from Norne field E-Segment was used to test the effect of CO2 flooding on recovery factor. Results: The key findings are as follows: (1) The oil recovery of the base case after 7 years of water flooding was 40% (2) The recovery factor obtained after 15 years of continuous CO2 injection was 32%. Conclusion: This study indicates that there is a feasibility of carrying out CO2-EOR in the Norne field based on initial CO2-EOR screening and simulation.
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    Hydro-Geophysical Assessment of Groundwater Potential and Aquifer Vulnerability of the Turonian Makurdi Formation in North Bank area, Makurdi, Middle Benue Trough, Nigeria
    (Department of Geology and Minning, Nasarawa State University Keffi, 2022-01-01) Obrike, Stephen E.; Baba, Adama Oleka; Ojuola, B.S.; Anudu, G.K.; Kana, M.A.; Iliya, M.M.
    Electrical resistivity investigation was carried out in North Bank and its environs in Makurdi, Benue State, with a view to determining the depth to aquifer, aquifer thickmess, groundwater potential of the area and aquifer vulnerability. Twenty-one (21) Vertical electrical sounding (VES) was carried out using the Schlumberger electrode array with the aid of ABEM Terrameter (SAS 3000C) with maximum electrode spacing of 200m. The VES data obtained were interpreted using partial curve matching approach and modelled using WinResist software. Modelled field curves reveal essentially three to four geo-elcetrical layers and two main aquiferous zones corresponding to the upper silty-sandstone and lower medium to coarse grained felspathic sandstones of the Makurdi Formation. The upper silty-sandstone aquifer is characterized by low to moderate resistivity value distribution (37 - 2039 ohm-m) with layer thickness in the range of 3m to 15m. Computed hydraulic and geo-electric characteristics (Zarrouk parameters, hydraulic conductivity and transmissivity) depicts it as unconfined, vulnerable to infiltrating surface 2 -1 2 -1 contaminants, with low groundwater potential (0.63 m day < T 199.65 m day ) and only suitable for small community water supply projects and private consumption. The lower felspathic sandstone aquifer is characterized by relatively thicker sequence of aquiferous materials (3m – 54m). The aquiferous zone is generally unconfined to 2 -1 2 -1 semi-confined in nature, with groundwater potential (30.96 m day < T ≤ 542.73 m day ) seen to be largely moderate. The aquifer is deemed suitable for industrial, irrigational and municipal water supply purposes
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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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    Perspective Chapter: Understanding Thermal Maturity Evolution and Hydrocarbon Cracking – Implication for Cretaceous Awgu and Nkporo Shales, Southeastern Nigeria
    (Department of Geology and Minning, Nasarawa State University Keffi, 2022-03-06) Danwazan, Jerry; Adeleye, Adeshina Mutiu; Bakyu, Trust-Paul; Iliya, M.M.; Egunjobi, Joseph Kehinde
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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
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    Sedimentary Facies and Depositional Environments of the Tertiary Kerri-Kerri Formation, Upper Benue Trough, Nigeria
    (Department of Geology and Minning, Nasarawa State University Keffi, 2021-01-01) Usman, Halima Osu; Ancho, I.M.; Iliya, M.M.
    The sedimentary facies of Tertiary Kerri-kerri Formation around Maina Maji and environs was investigated to characterize their depositional facies and infer the depositional environments. Well exposed vertical profiles of the sediments were studied around abandoned mine, erosional channels, cliff drops and on top of hill for some exposures of grain supported conglomerate with special attention focused on their physical, internal and biogenic characteristics. The facies and facies associations in the lithostratigraphic units mapped include conglomerate, sandstone, siltstone and claystone. The conglomerate facies are moderately sorted; grain supported and mature, showing evidence of reworking and recycling. The sandstone facies are commonly compositionally mature, and contain clasts of reworked clays usually white in colour and this suggest high energy tidal channels and shoreface. The associated and kaolinitic claystones are interpreted as braided fluvial channels and floodplain deposits. The sedimentation pattern and characteristics suggest predominance of trangressive shallow marine processes occasionally incised by fluvial channels. The clay deposit associated with the floodplains may offer economic resource potential in the area