Assessment of Potentially Toxic Metals from Mine Tailings …
Igwe et al. were of the view that within the Oshiri-Ishiagu axis, open-pit mining is practiced, with the subsequent removal of topsoil and overburden, as well as blasting of ore, drilling, and transportation of mined Pb–Zn by haul trucks and excavators. Mining process has been known to generate two byproducts: waste rocks (non-mineralized or ...
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In Search of Portable Water Supplies within a Brine and Mine …
While the salt lake at Okposi is the main source of brine intrusion in the study area, the Pb/Zn mine at Ishiagu is the main source of mine-water pollution in the study area. Most chemical parameters, (especially Cl -, Na +, Ca 2+, Mg 2+, SO 4 2-, HCO 3 - ) maintain high concentrations within the salt lake area, with the values de clin ing ...
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Assessment of Ambient Air Quality around Ihetutu …
This study assessed the levels of physicochemical characteristics and heavy metals in ambient air around Ihetutu community in Ishiagu, Nigeria, to evaluate the impact of prolonged Pb-Zn mining and ...
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(PDF) Heavy metals concentration and distribution in soils …
Co, Cr, Ni, Pb and Zn show deficiency to minimal enrichment while Cd recorded very high enrichment 23.95-37.48 and 25.66-34.21 mk/kg in the Oshiri and Ishiagu areas respectively.
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(PDF) Effect of Mine-water on Agricultural Soil …
The results showed that Ishiagu Pb/Zn mine is slightly acidic with moderate levels of dissolved metal constituents. Seasonal variation observed in the parameters indicate higher levels for pH (6.7 ...
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Heavy Metal Analysis of Soil Around Mine Sites in Ameri, …
In this study, eight (8) homogenous soil samples were collected from mining sites in Enyigba, Ameri and Ishiagu in Ebonyi State, southeastern Nigeria and analyzed for Pb, Zn, Ni, Co, Mn, and Ag ...
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Geo-environmental Hazards Associated with Lead-Zinc …
Mela et al. (2015) investigated structural orientation of the lead-zinc deposit in Ishiagu and reported that the Pb-Zn deposits appear to be in the southern limit of …
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Characterization and Pollution Assessment of Potentially …
The Boudoukha mining field located at the North-East of Algeria, was mainly exploited for Pb, Zn and Cu, which provided nearly 30,000 tons of concentrate containing 45–50% Zn, and 5000 tons of concentrate containing 55–75% Pb. However extraction method, treatment, and enrichment process for this type of ore have allowed release and anarchic storage of …
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(PDF) Groundwater occurrence and flow patterns in the Ishiagu mining …
The Ishiagu area is a water scarce region and has played host to mining activities for more than four decades. Mining-related activities have become a threat to potable water supply in the area.
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LEAD (Pb) MINING IN EBONYI STATE, NIGERIA: …
Unregulated mining in Ebonyi State started with the mining of lead-zinc (Pb-Zn) ore in 1925 (2) and since then Pb mining has progressed tremendously because of its high demand. ... mine were selected from Ebonyi North while Ohankwu mine and Ishiagu mine were selected from Ebonyi Central and Ebonyi South respectively (Figure 3). Figure 1: Miners ...
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Physicochemical properties of pit-water from ishiagu …
Open-pit mining involves the excavation of large quantities of waste rock in order to extract the desired mineral ore. This was the predominant mining method employed in the extraction of …
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The world's lead-zinc mineral resources: Scarcity, data, …
The country data given in Table 4 indicates that the country with the largest Pb-Zn resources is Australia at 59.5–95.4 Mt Pb-Zn, followed by Russia with 28.0–62.9 Mt Pb-Zn, Canada with 22.8–76.8 Mt Pb-Zn and Peru at 11.7–52.7 Mt Pb-Zn, although Peru also has substantial Cu within their Pb-Zn resources at 39.7 Mt Cu (Canada and ...
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(PDF) Effect of Mine-water on Agricultural Soil Quality in Ishiagu
The effects of mine water from Pb and Zn mines on agricultural soil in Ishiagu, Ebonyi State, Nigeria was investigated using standard analytical methods. The soil was observed to be acidic with loss of SO4 PO4 NO3 and total organic matter (TOM) with
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(PDF) Assessment of selected metal levels in …
The Pb-Zn mineralization is restricted to a series of closely spaced, steeply dipping subparallel fractures which trend NW-SE and typically form en-echelon patterns.
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Assessment of Potentially Toxic Metals from Mine …
Potentially toxic metals concentration and pollution in mining areas have become a major environmental concern. Predicting the toxic metals (Pb, Cd, Ni, Co, Zn, Mn, Fe, and Cu) in waste rocks and ...
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Effect of Lead–Zinc Mining on Socio-Economic and Health …
This study summarizes findings of researches in active/abandoned lead–zinc mines in Enyigba and Ishiagu mining districts including social surveys in the localities surrounding the mines in order to ascertain the effects on the inhabitants. ... water, and plants contamination by Pb, Zn, Cd, and Mn in these mining communities. The mining ...
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ASSESSMENT OF SELECTED METAL LEVELS IN ISHIAGU …
ASSESSMENT OF SELECTED METAL LEVELS IN ISHIAGU Pb -Zn MINE DISTRICT SOILS AND Oryza sativa, SOUTHEAST, NIGERIA 11 1 . Table 1: Metal analysis of soil samples from Ishiagu Sample no. Location Concentration (mgkg-1) Cu Zn Cd Pb Se As L1 Ugwutangele 1.34 8.24 1.70 5.21 1.08 1.58 ...
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Exploration of Lead-Zinc (Pb-Zn) Mineralization …
The Pb-Zn deposits in Ishiagu area appear to be the southern limit of mineralization in the Benue Trough and the Pb-Zn mineralized zone extends over a distance of 500 km in a narrow belt from ...
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Assessment of selected metal levels in Ishiagu Pb-Zn mine …
We examined availability of metals by subjecting soil and rice plant samples from Ishiagu mining district to a sequential extraction procedure and subsequently analyzed the …
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Assessment of Potentially Toxic Metals from Mine …
portation of mined Pb–Zn by haul trucks and excavators. Mining process has been known to generate two byprod-ucts: waste rocks (non-mineralized or mineralized rock with insucient Pb–Zn to process economically) and tailings (the slurry that remains after the Pb–Zn has been extracted from the crushed ore at the processing plant) (Manyele 2017).
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Potentially toxic metals enrichment in soils of ishiagu mining
The soil enrichment varied considerably between mining and non-mining areas with mining area being extremely enriched with Pb, Zn and Cd, and significantly enriched with Co, Cu, Ni and …
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Field Measurement of Radionuclide Concentrations in …
The Nkaliki Pb-Zn mine is located in Nkaliki Echara point to another along the profile. Measurement time for Unuhu, Abakaliki L.G.A., along Nkaliki-Orieuzor road. each point ranged from 2 mins. in areas with high The Pb-Zn minerals in this location are hosted by the Asu concentration of radiations, to 5 mins. in areas of low
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Assessment of Potentially Toxic Metals from Mine …
(2005), three Pb–Zn mines were investigated and the results showed signicant levels of Cd, Cu, Pb, and Zn in mine tail- ... Ishiagu mining districts. 2 Location and Geologic Setting
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The geologic map of Ishagu Pb -Zn deposit (Ezepue, 1985).
Pb in soil at various distance and depths was assessed at Pb and Zn mining site in Ishiagu Ebonyi State, Nigeria to determine the furthest distance travelled so far and the concentration at the ...
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The geologic setting of lead-zinc deposits at Ishiagu, …
The AmalHE Pb-Zn deposits at Ishiagu in the Imo State of gamated Tin Mines of Nigeria Ltd. drilled several holes Nigeria are located in the southwestern tip of the in the area between 1949 and 1952 to determine ore Abakaliki anticlinorium (Fig. …
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Small scale mining and heavy metals pollution of …
This research assesses the distribution of Pb, Zn, Cu, Cd, Co and Ni in soils in Ishiagu. Mining has become prominent in this area because of existence of Pb – Zn lodes, veins and veinlets. ... the mine dumps, the Asu River Shales and the minor basic intrusive. Mining of the Pb-Zn ores is responsible for the mobilisation of these metals into ...
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Potentially toxic metals enrichment in soils of ishiagu mining
This Study was carried out to evaluate potentially toxic metals enrichment, pollution and potential ecological risk in the soils of Ishiagu. The concentrations of Cadmium (Cd), Chromium (Cr), Cobalt (Co), Copper (Cu), Lead (Pb), Manganese (Mn), Nickel (Ni), Zinc (Zn), Aluminum (Al) and Iron (Fe) in soil samples from the area were analyzed by Bureau Veritas Laboratory, …
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Assessment Environmental Geochemistry Lead Zinc …
zinc (Pb-Zn) sulphide mining activities in the Ishiagu area in the lower Benue Trough, southeastern Nigeria have a potential significant impact on the quality of soil and water resources and, by extension, animal health and agricultural produce within the environment. Mining activities date back to the 1960s (NGSA, 2010).
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Effect of Lead–Zinc Mining on Socio-Economic and Health
This study summarizes findings of researches in active/abandoned lead–zinc mines in Enyigba and Ishiagu mining districts including social surveys in the localities surrounding the mines in order to ascertain the effects on the inhabitants. ... (2016) Heavy metals and health risk assessment of arable soils and food crops around Pb-Zn mining ...
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Heavy Metal Analysis of Soil Around Mine Sites in Ameri, …
CONCLUSION The total concentration of all the mobile heavy metals in soil revealed that mining activities in the Pb-Zn mineralization regions of Ameri, Enyigba and Ishiagu in Ebonyi State, South-East Nigeria, were above the normal soil composition based on Bowen (1979), and in the order Mn> Zn>Pb>Ni>Ag>Co.
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