Journal of
Geology and Mining Research

  • Abbreviation: J. Geol. Min. Res.
  • Language: English
  • ISSN: 2006-9766
  • DOI: 10.5897/JGMR
  • Start Year: 2009
  • Published Articles: 172

JGMR Articles

Mafic and ultramafic rocks in parts of the Bhavani complex, Tamil Nadu, Southern India: Geochemistry constraints

March 2014

Present paper deals with the petrogenesis of gabbros and pyroxenites of Bhavani complex, Tamil Nadu, Southern India. Studied gabbros are mainly composed of pyroxenes with minor plagioclase (An10-30) and amphibole minerals. Pyroxenites are composed of coarse-grained clinopyroxenes, orthopyroxenes and medium-grained hornblende minerals.  Geochemically, in the total alkali vs. SiO2 diagram studied samples are...

Author(s): Ali Mohammed Dar, Akhtar R. Mir, K. Anbarasu, M. Satyanarayanan, V. Balaram, D. V. Subba Rao and S. N. Charan

Recent uranium mobilization and radioactivity of metamorphosed sandstones at Sikait area, South Eastern desert of Egypt

March 2014

The metamorphosed sandstones exposures occur in two locations in Wadi Sikait. The exposed rocks in this area are ophiolitic mélange, metamorphosed sandstones, porphrytic granites invaded by post-granite dykes (lamprophyres) and quartz-fluorite veins. The uranium contents measured radiometrically range from 3 to 41.97 ppm, with an average of 12 ppm, while the chemically measured are in the range from 20 to 100 ppm...

Author(s):    Soliman A. Abu Elatta, S. F. Hassan, A. H. El-Farrash, M. G. El-Feky and M. Refaat   

X-ray fluorescence: An accessible and effective technique for evaluation of hazards and economic potential associated with important mineral deposits in Nigeria

January 2014

X-ray fluorescence (XRF) was evaluated as a technique that can facilitate identification of potential environmental hazards associated with mining and ore processing as well as provide quantitative evaluation of the economic potential intrinsic to a mineral deposit. Four different geological samples were analyzed using energy dispersive XRF to demonstrate the utility of the technique. The samples were obtained from...

Author(s): Yusuf A. Z., Halima S. A., Zakir A., Abdullahi M. and Sani K.

Hydrochemical assessment of groundwater quality in the Chad Basin around Maiduguri, Nigeria

January 2014

The objective of this study was to investigate the impact of anthropogenic and natural sources of contamination on the groundwater quality of the upper unconfined aquifer system of the Chad Basin around Maiduguri. This has been determined by obtaining a total of 20 groundwater samples over a 4 months period in 2 different sites (Moduganari and Gwange) in Maiduguri. Groundwater samples were analysed for pH, EC, TDS,...

Author(s): A. Bakari

Seismic refraction study of Gurara dam phase II, northwestern Nigeria

December 2013

Seismic refraction study has been carried out on Gurara Dam Phase II proposed axis with the aim of determining its feasibility for the founding of a dam. The field techniques involved off-end/reverse and split spread shootings on five profiles. The study site is situated on the Precambrian Crystalline Basement Complex rocks of North Central Nigeria. Velocity values obtained from the shots vary between 183 ms-1 in...

Author(s): Oladapo Michael Ilesanmi, Adeoye Oladapo, Oluwakemi Olanike, Adebobuyi Foluwaso Steve, Badejo Oluseun and Ifarajimi William

Structural controls of Pb-Zn mineralization of Enyigba district, Abakaliki, Southeastern Nigeria

December 2013

The lead-zinc deposit of Enyigba and its environs are localized in the cretaceous sedimentary rocks of the Albian Asu River Group in the Lower Benue Trough, Southeastern Nigeria. The Albian Asu River Group is made up of shale, siltstone, sandstone and limestone. The deposits were formed epigenetically through the crystallization of hydrothermal solutions and are localized within the fractures, hence the need to study...

Author(s): Obarezi J. E. and Nwosu J. I.

Ocellar lamprophyre dyke bearing mineralization, Wadi Nugrus, Eastern Desert, Egypt: Geology, mineralogy and geochemical implications

September 2013

  Ocellar lamprophyre dyke (ENE-WSW) is recorded at Wadi Nugrus, Eastern Desert, Egypt. It cuts across porphyritic biotite granites and varies in thickness from 0.5 to 1.5 m and up to 3 km in length. The lamprophyre dyke is altered and it is characterized by porphyritic and panidiomorphic textures with plagioclase, olivine and augite, constituting the porphyritic phase in a fine groundmass of the same...

Author(s): Mohamed E. Ibrahim, Gehad M. Saleh, Nazar A. Dawood and Gehan M. Aly

Optimizing monitoring network of water table by geostatistical methods

September 2013

Data collection of alluvium aquifers is done by using quality-quantity networks because of their spread and continuity.In designing such a network, it is necessary to pay attention on distribution of variables all over the aquifer so that variables represent whole of aquifer correctly. This happens when the network is able to predict the affects of climatical, natural etc parameters on the aquifers. Besides it should...

Author(s): Hosein Abedian, Kourosh Mohammadi and Ramin Rafiee

A study of subsurface geological structure of Sumaje village, Nigeria

September 2013

  In this study, ground magnetic survey of Sumaje Village, Ogo Oluwa  area of Oyo State, Nigeria  using high resolution proton-precession geometric magnetometer model G-856AX measures total components of the ground magnetic. The field data was qualitatively and quantitatively interpreted. Profile 1 has the highest amplitude of 18.2 nT and profile 2 has the highest width of 32 m. The depth to the...

Author(s): Joshua Emmanuel Oluwagbemi, Adewuyi Sefiu Olakunle and Ojo Olalekan Lawrence

Structural failure investigation using electrical resistivity method: A case study of Amafor Ihuokpala, Enugu, Southeastern Nigeria

August 2013

  An electrical resistivity investigation was carried out within the vicinity of some failed building structures at Amafor Ihuokpala through Agbani, Enugu, Southeastern Nigeria. The aim of the survey was to determine the causes of the failure of the structures. Resistivity data were acquired by using PASI (16GL) digital earth resistivity meter. Interpretation of the vertical electrical sounding results...

Author(s): Fatoba J. O., Salami B. M. and Adesida A.

Chromite composition as evidence of metamorphism in komatiites, greenstone belt, Mozambique

August 2013

  Archaean komatiites of the greenstone belt in Manica area, western Mozambique contains accessory amount of disseminated chromite grains. The komatiite rocks comprise peridotitic and basaltic komtiite. These komatiites are affected by regional metamorphism as all of the studied area. It is observed that only chromian spinel is preserved as the primary mineral and that all the other primary minerals in the...

Author(s): Yaser M. Abdel-Aziz, Gamal Daud and Muchangos Amadeu

Processing and interpretation of 2d land seismic reflection survey over bishop wood Yorkshire, England

July 2013

  A seismic reflection survey was carried out in Bishop Wood, Yorkshire to determine the subsurface structure and the depth to the prospective gypsum and coal measures. Four 24-channel Geodes were used with a PEG40 accelerated weight drop and 10 Hz geophones at 3 m intervals to shot a 1099 m spread.  The final depth processed section shows some reflectors which are clearly visible and is geologically...

Author(s): Maunde A., Nur A., Raji A. S. and Dio. C. J.

Field and petrographic characterization of some building, ornamental and industrial raw materials of the Tertiary sedimentary succession of Haddat Ash Sham Area, West Central Arabian shield, Saudi Arabia

July 2013

  The present study has dealt with the field and microscopic description of different building, industrial and ornamental stones of the Tertiary sedimentary succession of Haddat Ash Sham area, Saudi Arabia. The described building and ornamental stones includes: quartz pebble conglomerates, sandstones, limestones, dolostones and clays. The stratigraphic setting, mega and microscopic description of the different...

Author(s): Abdullah Rasheed Sonbul

Hydrogeophysical investigation in selected parts of Irepodun/Ifelodun local government area of Ekiti State, Southwestern Nigeria

July 2013

  Hydrogeophysical studies have been undertaken at Irepodun/Ifelodun local government area of Ekiti State, Nigeria. The area is underlain by the Basement Complex rocks. The study involved very low frequency electromagnetic (VLF-EM) and electrical resistivity methods. The results are presented as profiles, sections, curves, charts and maps. VLF-EM anomalies were evaluated using geoelectric soundings. Geoelectric...

Author(s): Michael Ilesanmi Oladapo and Olayiwola Grace Ayeni

Superheated steam injection in North Кенкияк shallow heavy oil reservoir

June 2013

  This paper presents an integrated study on the superheated steam injection in the North Кенкияк Field, Kazakhstan. The methodologies cover investigation of mechanisms of superheated steam in recovery, lab experiment, and numerical simulation. The study indicates that the injection of superheated steam can cause rock wettability conversion which is favorable to recovery. The higher the heat enthalpy,...

Author(s): X. Zhao, P. Gao  and Y. Wu

Application of the mobile metal ion geochemical technique in the location of buried gold mineralization in Essase Concession, Eastern Region, Ghana

June 2013

  The principle of mobile metal ion geochemistry analysis for soil samples taken from Essase Concession in Nkawkaw of the Eastern Region Ghana, during geochemical survey had accurately and sharply delineated target gold mineralization. Observations suggested that preferentially most metals (Ni, Zn, Pb, Cu, and As) including gold (Au) were located in the top 22 cm of the profile below the interface giving...

Author(s): Chiri G. Amedjoe and Isaac T. Adjovu

Processing of an offshore new zealand complex tectonic environment taranaki basin, 2d seismic line

June 2013

  Norpac International crew #503 acquired 22.7 km of seismic line off the West coast of New Zealand’s North Island in the Taranaki basin for New Zealand Oil and Gas industry in order to evaluate the subsurface stratigraphy of the basin. The seismic line trends east-west crosses the Taranaki Fault, a basement overthrust that forms the eastern boundary of the Taranaki basin, New Zealand’s most...

Author(s): Maunde A., Haruna I. V., Raji A. S. and Halilu M.

Analysis of orientation of maximum horizontal tensional stress (sHmax) of the Gondwana Barapukuria coal basin, NW Bangladesh: by means of finite element modeling

May 2013

  This paper uses two-dimensional Finite Element Method (FEM) numerical modeling to analyze the orientation of maximum horizontal tensional stress of the Barapukuria coal basin in Bangladesh. An elastic plane stress model incorporating elastic rock physical properties for the coal basin area was used consisting of 2916 elements with a network of 1540 nodes. The stress field at any point of the model is assumed...

Author(s): Md. Rafiqul Islam

Unsteady equation for free recharge in a confined aquifer

May 2013

  Slug test solutions require instantaneous water column in the recharge well, and it consider well storage and well loss not appropriate for recharge cases. State of the art suggests recharge hydraulics, a phenomenon synonymous to mirror image of well pumping. In this background, the present paper derives fresh semi-analytical equations for confined aquifer, which simultaneously determine unsteady recharge...

Author(s): P. K. Majumdar, K. Sridharan, G. C. Mishra and M. Sekhar

Sr-Nd-Pb isotopic studies of lavas of Mt. Oku volcano, North West Cameroon: A case involving HIMU, depleted and enriched mantle sources

May 2013

  Sr-Nd-Pb isotopic studies have been carried out on the lavas of Mt. Oku, the central part of the continental sector of the Cameroon volcanic line (CVL). The lavas define a considerable range of Sr-Nd-Pb isotopic compositions characterized by 143Nd/144Nd = 0.512626 – 0.512937,87Sr/86Sr = 0.699411 - 0.704279 and more radiogenic isotopic ratios 206Pb/204Pb = 18.3800 –...

Author(s): NJILAH I. Konfor, MOUNDI Amidou, TEMDJIM Robert and NTIECHE Benjamin

Geochemical modeling of uranium speciation in the subsurface aquatic environment of Punjab State in India

May 2013

Author(s):  D. P. S. RATHORE

Instrumentation for in-situ foundation investigation in Lagos, South West (SW) Nigeria

April 2013

  In areas underlain by stratified rocks, it is difficult to obtain undisturbed samples at depth for satisfactory geotechnical results when analysed in the laboratory. Considering the complexity of its subsurface geology, a study on in-situ geotechnical exploration tool for foundation investigation in Lagos was conducted. Layer apparent resistivity (ra) was measured with ABEM SAS 300 Terrameter using...

Author(s): Adebisi N. O. and Fatoba J. O.

Tunnels stability analysis using binary and multinomial logistic regression (LR)

April 2013

  One of the most serious problems in tunneling projects are falling rock blocks. By considering this fact, the importance of stability predicting using some input parameters can be obviously understood. Among the existing rock mass classification systems for underground structures, rock mass rating (RMR) and Q are probably the most widely used ones this is rather unlikely to change, at least in the near...

Author(s): R. Rafiee, M. Ataei and M. Kamali

Fluid inclusions and mineral chemistry of some detrital heavy minerals of alluvium sediments from Meluli-Namuhuca area, Mozambique

March 2013

  Geochemistry and fluid inclusions studies were carried out on garnet and beryl from Quaternary alluvium deposits of Meluli-Namuhuca area, Mozambique. Garnet occurs as euhedral large crystals and is commonly brownish red, with a moderate brown hue in transmitted light. Apatite and ilmenite are the common inclusions. Geochemically, garnet is characterized by nearly homogenous chemical composition with...

Author(s): M. Yaser Abdel-Aziz, M. A. Mohamed, H. A. Mohamed and Muchangos Amadeu

Suitability of soils as bearing media at a freshwater swamp terrain in the Niger Delta

March 2013

  This study evaluates the subsurface lithologies as well as examines the properties of the soils at a University location within the fresh water swamp terrain in the Niger Delta. Borings for subsurface exploration in the area were made at five well spaced locations with a hand auger to a maximum depth of 4.00 m in each borehole. Soil samples were retrieved at 0.5 m interval and at positions where changes in...

Author(s): P. O. Youdeowei and H. O. Nwankwoala

Geological and geophysical mapping of fracture anisotropy at Aiyegunle and environs, Igarra area South western Nigeria

March 2013

  Characterization of fracture anisotropy in Aiyegunle area of Igarra Southwestern Nigeria was done by geologic mapping of exposed outcrops and azimuthal resistivity survey (ARS) at three vertical electrical sounding (VES) stations. Rose diagrams, stereographic projections, and resistivity anisotropy polygons were used to delineate and integrate surface and subsurface structural trend. Dominant joints...

Author(s): Kehinde I. O., Ukaegbu V. U., Omosanya K. O., Ideozu R. U. and Mosuro G. O.

Preliminary interpretation of gravity mapping over the Njaba sub-basin of southeastern Nigeria: An implication to petroleum potential

March 2013

  Gravity data were acquired along two profiles in some parts of the Njaba River sub-basin. Profile A-A’ and B-B’ run for about 30 and 12 km respectively with the end of the two profiles meeting at Oguta Lake. The Bouguer gravity anomaly along Profile A-A’ revealed initial positive gravity values to a wavelength of about 21 km and then followed by a sudden drop of the observed gravity showing...

Author(s): Ezekiel J. C., Onu N. N., Akaolisa C. Z. and Opara A. I.

Alteration of σ3 field during the evolution of a polycyclic basement complex

February 2013

  The polycyclic nature of the Migmatized gneiss basement complex of South-western Nigeria is depicted by several tectonic imprints oriented in different manner; such setting is characterized by temporal adjustment of the minimum stress field. Attitude (strike and dip), length, width, average perpendicular distance and aspect ratios were taken for foliations, joints, veins, intrusions and boudinages. These...

Author(s): Omosanya, K. O., Akinbodewa, E. A., Mosuro, G. O. and Kaigama, U.

Interpretation of aeromagnetic anomalies and electrical resistivity mapping around Iwaraja area Southwestern Nigeria

February 2013

  Aeromagnetic, ground magnetic and vertical electrical sounding (VES) methods were used to delineate the basement structures around Iwaraja area, southwestern Nigeria. In doing this, an aeromagnetic sheet 264 of the Geological Survey of Nigeria (GSN) and digitized aeromagnetic map from Nigeria Geological Survey Agency (NGSA, 2008) were interpreted. Also sixteen ground magnetic profiling were  carried out,...

Author(s): Adelusi A. O., Kayode J. S. and Akinlalu A. A.

Chronological development in coal pillar design for bord and pillar workings: A critical appraisal

January 2013

  In this study, proper design of coal pillar has ever remained a difficult and challenging task because of two conflicting objectives, namely the conservation of coal on one hand that requires coal pillars to be of minimum size and stability of pillars, and on the other hand that ensures safety of working. The complex loading conditions, the occurrence of seams in close succession and geological abnormalities...

Author(s): M. Jawed, R. K. Sinha and S. Sengupta

Performance simulaton of surface miners with varied machine parameters and rock conditions: Some investigations

January 2013

  Application of surface miners is gaining popularity in different surface mines of India due to the wide range of advantages offered by them. More than 100 surface miners are operating in India in different coal, limestone and bauxite mines today. For new start-ups, however, it is imperative to select appropriate specifications of surface miner considering the rock/rockmass properties for a given production...

Author(s): Prakash Amar, Murthy Vemavarapu Mallika Sita Ramachandra and Singh Kalendra Bahadur

Geology and tectono-sedimentary disposition of the Bima sandstone of the Upper Benue Trough (Nigeria): Implications for sandstone-hosted Uranium deposits

December 2012

  The Bima sandstone is the oldest, thickest, and most extensive formation in the Upper Benue Trough, located in north-eastern Nigeria, and it is included in a region known for its Uranium mineralisation. The sandstone has been subdivided into three siliciclastic members: B1, B2, and B3. Sedimentological and structural factors necessary for uranium precipitation are recognised within the members. B1 consists of...

Author(s): I. V. Haruna, H. A. Ahmed and A. S. Ahmed

Geological control of geomorphologic units in the Southwest (SW) Cameroon (Central Africa)

December 2012

Author(s): Sébastien Owona, Simon Pierre Mbola Ndzana, Joseph Mvondo Ondoa, Moussa Nsangou Ngapna, Claudine Nkabsaah, Lothar Ratschbacher and Georges Emmanuel Ekodeck

Evaluating optimal well placement in horizontal drilling using geosteering: A case study of Agbada Field, Niger Delta

November 2012

  This study focuses on the use of geosteering technology in the optimal placement of wellbore path in Agbada 61 reservoir formation, where geological or subsurface target is far less than 100 m and where conventional approach could not be applicable. This was achieved by the formulation of a predrilled formation model from existing nearby or offset well by invertion of the resistivity log use in Agbada well...

Author(s): Ichenwo, John Lander and Dosunmu Adewale

A geographic information system (GIS)-based modified erosion potential method (EPM) model for evaluation of sediment production

November 2012

This research is aimed to modify erosion potential method (EPM) so that its dependency reduces to engineering judgment as well as broadly watershed visit by applying geographic information System (GIS). This study was carried out within acceptance of existing structure and framework of EPM model. In EPM model, the sediment production is evaluated in terms of four parameters including soil and rock resistance to erosion,...

Author(s): Eisa Bozorgzadeh and Nemat Kamani

An application of 2D electrical resistivity tomography in geotechnical investigations of foundation defects: A case study

November 2012

  The high spate of differential settling and/or sudden collapse of buildings in Lagos has necessitated a holistic approach to foundation investigation prior to the erection of such structures as a panacea to environmental and engineering tragedy of our time, which we try to address in this work. In this paper, a 2D electrical resistivity tomography (ERT) and geotechnical investigation were carried out at Ogudu...

Author(s): Ayolabi Elijah A., Folorunso Adetayo F. and Jegede Olubunmi E.

Uranium mineralizations of Wadi Sikait mylonites, Southeastern Desert, Egypt

August 2012

  This article deals with mineralizations and spectrometric study as well as geology and geochemistry of the late Pan-African cataclastic rocks (mylonites) of Wadi Sikait area. The area is composed of metagabbros, ophiolitic mélange, metasediments, mylonitic rocks, porphyritic biotite granites, leucogranites and lamprophyre dykes. The mineralogical study of the mylonitic samples revealed the presence of...

Author(s): G. M. Saleh, S. A. Abdallah, A. A. Abbas, N. A. Dawood and M. A. Rashed

Combination of geological mapping and geophysical surveys for surface-subsurface structures imaging in Mini-Campus and Methodist Ago-Iwoye NE Areas, Southwestern Nigeria

August 2012

  Electrical resistivity imaging and geological mapping were used to study the geology and delineate geologic structures at the Northeastern part of Ago Iwoye, Southwestern Nigeria. Two areas which include Mini-Campus Olabisi Onabanjo University (MCOOU) and Methodist Comprehensive High School (MCHS), Ago-Iwoye were studied. Electrical resistivity tomography (ERT) survey with Wenner configuration was done to...

Author(s): Omosanya, K. O., Mosuro, G. O., and Azeez, L.

Acoustic velocity properties of Danian limestone section exposed at the Curfs quarry, Southeastern Netherlands

May 2012

  In order to establish the relationship existing between the seismic velocity and petrophysical properties of limestone, ultrasonic pulse transmission technique under simulated pressure of 2.5 to 10 Mpa and at a frequency of 300 to 800 kHz was used in the determination of both compressional-wave and shear- wave velocities. The measurements were carried out for both dry and fluid saturated limestone obtained...

Author(s): Ohwoghere Asuma, Oghenero

Geological and environmental issues of the proposed link canal (Inchampalli to Nagarjunasagar) of Godavari to Krishna Rivers adopting remote sensing and geographical information system (GIS)

May 2012

  Extremely erratic rainfall, unevenly distributed and very heavy precipitation in short time resulting in flash floods and inundation in India became a usual phenomena in recent years. At every event, a huge quantity of water is being wasted into the sea as run-off quite frequently due to inadequate harvesting structures. This huge run-off / surplus water can be harvested through the proposed linking of river...

Author(s): B. Surya Prakasa Rao, N. Srinivas, N. Bhaskara Rao, S. V. J. S. S. Rajesh and  P. Pernaidu

Geochemistry of phosphorite deposits around Hirapur-Mardeora area in Chhatarpur and Sagar Districts, Madhya Pradesh, India

April 2012

  The Hirapur-Mardeora phosphorite deposits are found to occur in Bijawar group of Gangau iron formations over the basement of Bundelkhand granite complex in the Archean period. There are four distinct units of phosphorites which include shale-phosphorite, secondary-phosphorite, ironstone-phosphorite and quartz-breccia phosphorite. Chemical analysis of 24 representative samples of these different units was...

Author(s): K. F. Khan, Saif A. Khan, Shamim A. Dar and Z. Husain

Study of fractured rock masses deformation in Boukhadra (Tebessa) underground mine empirical and numerical approach (N-E Algeria)

March 2012

  The purpose of this paper is to assess the engineering geological characteristics of Boukhadra’s iron mine rock mass. Several problems of deformation and stability were frequently encountered during the progress of the exploitation. This phenomenon affects seriously the safety of the miners and the progress of the work. In this research project, we try to estimate the behavior of the host rock mass, its...

Author(s): Gadri Larbi, Boumazbeur Abderrahmen, Nouioua Ismail, Boukeloul Mohammed-laid, Hamdane ali, Mouici Ridha, Mebrouk Faouzi and Ibrahim Hammoud

Vertical electrical sounding (VES) methods to delineate potential groundwater aquifers in Akobo area, Ibadan, South-western, Nigeria

March 2012

  Vertical electrical resistivity soundings were conducted in order to delineate groundwater potential aquifers in Akobo area, Ibadan, South western, Nigeria. Twenty-one vertical electrical soundings were conducted using the Schlumberger configuration, covering the area. The data were interpreted with the help of Abaque (master) curve. The geoelectrical sections for the study area were: the topsoil, the clayey...

Author(s): Joseph Olakunle Coker,

Rehabilitation of artisanal gold mining land in West Lombok, Indonesia: Characterization of overburden and the surrounding soils

January 2012

  This study was carried out to characterize the overburden materials and soil properties of artisanal mining at Sekotong, West Lombok, Indonesia to suggest an appropriate rehabilitation technology.  The results of the study showed that the properties of overburden materials from Sekotong artisanal mining has a relative neutral acidity (pH about 6.4), however, with time together with the formation of...

Author(s): B. Siswanto, B. D. Krisnayani, W. H. Utomo, C. W. N. Anderson

Application of characteristics method for flood routing (Case study: Karun River)

January 2012

  Open channel flows often come in investigation and intervention scope of the environment engineering. Very often, the water layer depth is weak compared to the horizontal extension of the observed phenomena. This is the case for flows in rivers or channels and of the ground run off. The transition from turbulent Navier-Stokes equations tackled by using the Leibnitz formula. A series of approximation allowing...

Author(s): Mehdi Delphi

Rainwater harvesting of Wadi Al-Kassab catchment's area by weir construction, West of Mosul City, North of Iraq

December 2011

  Surface and ground waters are scarce in semi-arid and arid regions. Therefore, attempts are made in these regions to collect and preserve rainwater to the maximum possible extent. In arid and semi-arid areas where rainfall pattern is irregular, much of these are lost as surface runoff, and as a result, there is a scarcity of water which results to risk for human beings. Under such conditions, the water...

Author(s): Taha Hussein Al-Salim

Geoelectric investigation of Owuruwuru Dam site, Ikere Ekiti, Southwestern Nigeria

December 2011

  Geophysical investigation involving the electrical resistivity method has been undertaken along three proposed dam axes trending NNW-SSE (335° WCB) across ENE to WSW flowing Owuruwuru River at Ikere Ekiti Southwestern Nigeria. The study is aimed at evaluating the feasibility of the area for establishing a small earth dam and reservoir. The electrical resistivity method involving the Wenner and...

Author(s): Oluwakemi Olanike Adeoye-Oladapo and Michael Ilesanmi Oladapo

Groundwater system evaluation and protective capacity of overburden material at Ile-olujI, Southwestern Nigeria

November 2011

  Forty (40) Schlumberger depth soundings and inventory of fifty-five (55) hand-dug wells were carried out in Ile-Oluji area, South-western Nigeria, aimed at assessing the groundwater prospect and aquifer vulnerability. The area is characterized by the crystalline basement rocks, mostly of granite gneiss lithology. Major challenges in this area are inadequate municipal water supply coupled with the...

Author(s): K. A. Mogaji, G. O. Omosuyi and G. M. Olayanju

Influence of various factors on the fluctuation of groundwater level in hard rock terrain and its importance in the assessment of groundwater

November 2011

  A vast terrain, nearly 65% of the total area of India is occupied by hard rocks, more predominantly in the area of peninsular shield covering southern part of India. The peninsular shield is mostly constituted of granites, gneisses, basaltic rocks of volcanic origin and metamorphic complexes. In basaltic rock, the main aquifer horizons are in vesicular, fractured and weathered zone. These basaltic rocks are...

Author(s): Bhagyashri C. Maggirwar and Bhavana N. Umrikar 

Determination of aquifer potentials of Abia State University, Uturu (ABSU) and its environs using vertical electrical sounding (VES)

October 2011

  Resistivity soundings have been carried out around the Abia State University, Uturu (ABSU) and its environs, using the Schlumberger configuration. The major aim is to delineate potential aquifer zones for regional groundwater harvesting and further development. The geologic formations in the study area consist of a sequence of underlying Lower Coal Measures (Mamu), the Ajali formation and the upper coal...

Author(s): M. U. Igboekwe and Akpan, C. B.

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