lead zinc deposits in ishiagu
Heavy metals concentration and distribution in soils …
ResultKeywords: Lead, zinc, Mining activities, Heavy metals, Soil pollution, Southeastern Nigeria. World Scientific News 158 (2021) 22-58 -23- 1. INTRODUCTION ... and pollution level in the arable soils around the lead – zinc mines of Oshiri and Ishiagu region of southeastern Nigeria using geochemical approach.
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(PDF) Environmental Pollution Levels of Lead and Zinc in Ishiagu …
ResultThe accumulation of lead and zinc in soil, water and vegetation in Ishiagu and Uburu communities of Ebonyi State, Nigeria has been reported (Oje et al., 2010) and this could have several health ...
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The world's lead-zinc mineral resources: Scarcity, data, issues …
ResultWe present a detailed assessment of world lead-zinc mineral resources, showing at least 226.1 Mt Pb and 610.3 Mt Zn. The dominant mineral deposit type is sediment-hosted Pb-Zn deposits, containing 141.6 Mt Pb and 345.1 Mt Zn. Companion metals, such as scandium, indium, tungsten and others can …
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The geologic setting of lead-zinc deposits at Ishiagu, …
ResultThe Ishiagu lead-zinc deposits of southeastern Nigeria are associated with folded shales of the Asu River Group. The Pb-Zn mineralization is restricted …
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The geologic setting of lead-zinc deposits at Ishiagu, …
ResultGeochemistry of Surface Waters, In Ishiagu, Ebonyi State, Nigeria. Ishiagu is one of the important lead-zinc mining districts in Nigeria. It is underlain by two …
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Risk Assessment of Environmental Pollution of Lead and Zinc in Ishiagu …
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Potentially harmful elements and their health implications …
ResultThe study area is located in Ugwu-Ejirija, Ihietutu of Ishiagu community in the southernmost part of the Lower Benue Rift, southeastern Nigeria (Latitudes 5° 54′ – 5° 57′ N and 7° 28′ – 7° 31′ E; Fig. 1).The study area is known for abundant lead-zinc mineralization and igneous activities (Chukwu and Obiora, 2014, …
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Geologic map of the Ishiagu Area showing …
ResultLead-zinc deposits are localized in Cretaceous sediments along a 600 km long belt within the Benue Trough, a sediment-filled intracratonic basin extending from Ishiagu (South of Abakaliki) …
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Geological setting of the Abakaliki basin showing …
ResultThe 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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(PDF) Preliminary investigations of acid mine drainage
ResultOpen-pit mining of lead/zinc in the Ishiagu region of Ebonyi State from 1965 to 1982 has exposed large volumes of previously unoxidized sulphides to weathering. Abandoned mine waste of shale ...
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Electrical and electromagnetic exploration of …
ResultThe Ishiagu lead-zinc deposits of southeastern Nigeria are associated with folded shales of the Asu River Group. The Pb-Zn mineralization is restricted to a series of closely …
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Environmental Pollution Levels of Lead and Zinc in Ishiagu …
ResultWater and soil samples from the area were therefore analyzed for their lead and zinc content. Computation of pollution statuses of lead and zinc revealed topsoil lead geoaccumulation indices of −0.143 and −0.069 and zinc geoaccumulation indices of 1.168 and 0.713 for Ishiagu and Uburu respectively. …
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[PDF] Assessment of selected metal levels in Ishiagu Pb-Zn …
ResultThe lead-zinc deposits of Nigeria occur, with few exceptions, in the main belt of lower Cretaceous formations in the Benue and Niger river region. ... The geologic setting of lead-zinc deposits at Ishiagu, southeastern Nigeria. M. Ezepue. Geology. 1984; 42. 3 Excerpts; Save. Chemical Analysis of Ecological Materials. …
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(PDF) Environmental Pollution Levels of Lead and Zinc in …
ResultThe accumulation of lead and zinc in soil, water and vegetation in Ishiagu and Uburu communities of Ebonyi State, Nigeria has been reported (Oje …
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Phytoremediation Potential of Some Plants in the Ishiagu Lead-Zinc
ResultThis study assessed phytoremediation potential of plant species in Ishiagu lead-zinc mining area of Eb-onyi State, Nigeria to determine the possibility of using them to extract, stabilize or ...
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(PDF) Environmental Pollution Levels of Lead and Zinc in Ishiagu …
ResultMining activities have long been recognized as a major source of environmental contamination associated with heavy metals and metalloids. This study evaluated the relationship between the occurrence and mining of lead-zinc sulphide ores at Ishiagu, Nigeria, and heavy metal and metalloid contamination.
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Contrasting styles of lead-zinc-barium mineralization in the …
ResultIn the Lower Benue Trough of Southeastern Nigeria, lead-zinc-barium mineralization occurs as widely distributed epigenetic fracture-controlled vein deposits which are restricted to Albian – Turonian sediments. Detailed field studies carried out in Ishiagu, Enyigba-Ameki-Ameri, Wanikande-Wanakom, and Gabu …
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Lead
ResultThe major mining areas in Ebonyi State include Ishiagu, Ameri, Ameka, Uburu, and Enyigba. Benue State: Benue State, located in central Nigeria, is another significant hub for lead-zinc ore deposits. Key mining sites in Benue State include Gboko, Ado, and Makurdi. ... Lead-zinc ore deposits in Nigeria are …
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Exploration of Lead-Zinc (Pb-Zn) Mineralization Using Very …
ResultVery low frequency Electromagnetic (VLF-EM) exploration over the Ishiagu area of Abakaliki Basin, Lower Benue Trough, Nigeria was carried out to determine the Pb-Zn mineralization in the sedimentary bedrock. The conductivity contrast between the conductive mineralized veins and the host rock as generated …
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Phytoremediation Potential of Some Plants in the Ishiagu Lead-Zinc
ResultAbstract and Figures. This study assessed phytoremediation potential of plant species in Ishiagu lead-zinc mining area of Eb-onyi State, Nigeria to determine the possibility of using them to ...
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Origin of lead-zinc mineralization in the southern …
Resultibukun ogundipe. The Benue Trough is a metallogenic province consisting of numerous occurrences of lead-zinc, barite-fluorite deposits distributed in three principal districts at the upper, …
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Application of integrated geophysical techniques in
ResultAbstract. The Abakaliki Lead–Zinc province is associated with four lodes, namely Ishiagu, Enyigba, Ameri and Ameka, as documented by the …
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Sediment-Hosted Zinc-Lead Deposits of the World— …
ResultLead in the SHig group is also significantly different than lognormal due to about a quarter of deposits with lower grades than the main group. Table 2. —Grade and tonnage models of sediment-hosted Zn-Pb deposits by type. [Tonnage reported in millions of metric tons, zinc, lead, and copper grades in percent.
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(PDF) Physico-chemical Properties of Plants in an Abandoned Lead-Zinc …
ResultMetal mining in Ishiagu area is mainly of the open cast method, involving large scale excavation and has been de-scribed by Nwaugo et al. (2007) as crude and environmentally damaging.
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Origin of lead-zinc mineralization in the southern …
ResultThe main objective of this study is therefore to Abakaliki and Ishiagu orebodies (Fig. 2) were studied to determine the nature of the ore-forming fluids and to obtain data on temperature, salinity and …
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Ishiagu lead-zinc deposit, Nkanu East, Enugu, Nigeria
ResultIshiagu lead-zinc deposit, Nkanu East, Enugu, Nigeria : Seven open pits up to 40m deep.
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Application of integrated geophysical techniques in
ResultThe Abakaliki Lead–Zinc province is associated with four lodes, namely Ishiagu, Enyigba, Ameri and Ameka, as documented by the Nigerian Geological Survey Agency. Speculative mining activities in between and outside these lodes often result in abrupt termination of ore veins. The present study is at Ukawu, …
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The geology of the Zawar lead-zinc mine, Rajasthan, India
ResultAbstract. The lead-zinc ores occur in a shear zone in Precambrian metasediments. The shear zone is later than the two recognized generations of folds, and contemporaneous with wall-rock alteration and subsequent mineralization. Flow directions of mineralizing solutions are deduced from the mineral zoning pattern; …
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Leaf epidermal analysis of some plants in the Ishiagu lead–zinc mining
ResultOxidative stress plants growing in a lead- zinc mining area of Ishiagu is caused by high heavy metal load which stimulates to evaluate the effects heavy metals may have on plant the formation of free radicals and reactive oxygen physiological status within the mining environment. species (Dietz, et al. 1999).
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Assessment of Environmental Geochemistry of Lead …
ResultCombined lead plus zinc grades in Ishiagu deposits may constitute up to 15 % of the veins, while siderite may be present up to 80% and quartz 5% (Olubambi et al., 2008, Okafor & Uwadiale, 1997 ...
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