The geologic setting of lead-zinc deposits at Ishiagu, …

The 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 …

Application of integrated geophysical techniques in

The 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, between the Ishiagu and the Ameka prospects …

‪Smart Obiora‬

Potentially harmful elements and their health implications in cultivable soils and food crops around lead-zinc mines in Ishiagu, Southeastern Nigeria. ... 2019: Contamination of the potable water supply in the lead–zinc mining communities of Enyigba, Southeastern Nigeria. SC Obiora, A Chukwu, TC Davies. Mine water and the environment 38 (1 ...

Effect of Lead–Zinc Mining on Socio-Economic and

Lead–zinc mining in Enyigba and Ishiagu, southeastern Nigeria has lasted for decades and has affected the socio-economic well-being of the host communities. There are evidences of soil, water ...

Assessment of Environmental Geochemistry of Lead …

Combined 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 ...

(PDF) Physicochemical Properties Of Pit-water From Ishiagu Lead/ Zinc

This study evaluated the relationship between the occurrence and mining of lead-zinc sulphide ores at Ishiagu, Nigeria, and heavy metal and metalloid contamination. A comparative study of two zones in the area, with and without mining activities was also made Water, soil, stream sediment and ore samples were analyzed, after acid digestion ...

EXPERIMENTAL LEACHING OF COPPER MINERALS FROM …

The Ishiagu lead-zinc ore is the third largest metallic ore deposit in Nigeria after iron ore and cassiterite. But the ore is been sold as-mined as ores Of lead and zinc whereas it

(PDF) Physicochemical Properties Of Pit-water …

Open-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 ...

Potentially harmful elements and their health implications in

Lead–zinc mining in Enyigba and Ishiagu, southeastern Nigeria has lasted for decades and has affected the socio-economic well-being of the host communities. There are evidences of soil, water ...

(PDF) Harnessing Nigeria's Abundant Lead Ore Deposits …

The 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 spaced, steeply ...

Effect of Lead–Zinc Mining on Socio-Economic and Health …

Lead–zinc mining in Enyigba and Ishiagu, southeastern Nigeria has lasted for decades and has affected the socio-economic well-being of the host communities. There are evidences of soil, water, and plants contamination by Pb, Zn, Cd, and Mn in these mining communities. The mining activities also affect the overall social development of the ...

The geologic setting of lead-zinc deposits at Ishiagu, …

Ishiagu is one of the important lead-zinc mining districts in Nigeria. It is underlain by two sedimentary formations, Abakaliki and Ezeaku Formations. The Abakaliki Formation …

Geo-environmental Hazards Associated with Lead-Zinc …

NE-SW fractures are barren. 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 mineralization of the Benue Trough. They continued

Oxidative stress potential of Lead-Zinc mining on selected …

Public Health Implication of Heavy Metal Contamination of Plants Growing in the Lead Zinc Mining Area of Ishiagu, Nigeria. International Journal of Biodiversity and Environmental Science, 7(4): 76-86. Oncel, I., Keles, Y. and Ustun, A.S. (2000). Interactive Effects of Temperature and Heavy Metal Stress on the Growth and Some Biochemical ...

RE-APPRAISAL OF THE GENESIS OF ISHIAGU LEAD-ZINC ORE DEPOSITS, SOUTHERN

Describing the occurrence of lead-zinc ore in Ishiagu, Oha et al, (2017), stated that the Lower Benue Trough of South-eastern Nigeria, lead-zinc-barium mineralization occurs as …

Assessment of Environmental Geochemistry of Lead-Zinc Mining at Ishiagu

Mining 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. A comparative study of two zones in the area, with and without …

(PDF) Lead-Zinc-Barytes mineralization in the Benue Trough, …

Nigeria's most important lead-zinc deposit is the Abakal iki field which is made up of primarily four lodes namely Ishiagu, Enyigba, Ameki and Ameri in t he Lower Benue Trou gh. The best known ...

Geologic map of the Ishiagu Area showing locations of lead-zinc …

Lead-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) north ...

Leaf epidermal analysis of some plants in the …

Oxidative 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 …

Process mineralogy of the Ishiagu lead-zinc deposit, Nigeria

A study was performed to characterize the Ishiagu lead-zinc deposit prior to beneficiation. The study included the use of XRD, SEM and both reflected- and transmitted-light microscopy. The …

Geologic map of the Ishiagu Area showing …

In 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 –...

(PDF) Preliminary investigations of acid mine drainage …

Open-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 ...

Sediment-Hosted Zinc-Lead Deposits of the World— …

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The world's lead-zinc mineral resources: Scarcity, data, issues …

Lead and zinc keep humanity powered and sheltered, yet a comprehensive understanding of Pb-Zn resources in known mineral deposits has been lacking, leading to uncertainty over when we might expect the supply of these metals to face potential constraints. Addressing this, we compile an extensive database of the world's known Pb-Zn mineral …

Phytoremediation Potential of Some Plants in the Ishiagu Lead-Zinc

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 extract, stabilize or ...

Geochemistry of Surface Waters, In Ishiagu, Ebonyi …

Key words: Ishiagu; surface waters; Odu River and Ihetutu streamsnickel; lead; wetlands INTRODUCTION Ishiagu is one of the economically important towns in Ebonyi State, southeastern Nigeria. Its economic relevance is basically due to agricultural and mining activities in the area. Lead/Zinc deposits were discovered inthe area in the 1950s

(PDF) Petrography and Geochemical Studies of Eyingba Lead-zinc …

A tectonic model. Geological Magazine., 112, pp 575- 1982. Olade, M. A. (1976). On genesis of lead-zinc deposits in Nigerian's Benue Rift (Aulalgen) a reinterpretation, Journal of Mining and Geology, 13, pp 20 -27. Orajaka, S. (1965). The Geology of Enyigba. Ameri and Ameka lead-zinc lodes Abakaliki Eastern Nigeria. A reconnaissance.

(PDF) Geology and mineral resources of Ebonyi State, …

The work of Oha and Onuoha (2013) and Fatoye et. al., (2014), showed that lead-zinc-barytes deposit in the Abakaliki field is made up of four lodes which include Ishiagu, Enyigba, Ameki and Ameri. The mineralization are restricted to NW-SE and N-S fractures and the NE-SW fractures are barren (Oha and Onuoha, 2013).

Heavy metal concentration and physicochemical …

In Ishiagu, Southeastern Nigeria, lead and zinc mining has been going on for over fifty years, and in recent times its exploration has been intensified.

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. ... Central) on February 28, 2015, ten samples were collected from Ishiagu Ihetutu mining site (Ebonyi South) on March 8, 2015 and ten samples were collected from Achara ...

The geologic setting of lead-zinc deposits at Ishiagu, …

The 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 spaced, steeply dipping subparallel fractures which trend NW-SE and typically form en-echelon patterns. Along a second set of fissures, oriented NE-SW and of an earlier ...

Effect of Lead–Zinc Mining on Socio-Economic and Health

(PDF) Heavy metals concentration and distribution in soils …

HEAVY METALS CONCENTRATION AND DISTRIBUTION IN SOILS AROUND OSHIRI AND ISHIAGU LEAD – ZINC MINING AREAS,SOUTHEASTERN NIGERIA.pdf. Content uploaded by Moses Oghenenyoreme Eyankware.

RE-APPRAISAL OF THE GENESIS OF ISHIAGU LEAD …

Lead-Zinc ore deposits. The objectives were to map the study area showing the Lead-Zinc veins, collect samples of ores and rocks associated with the deposit and carry out stable isotope and geochemical studies in order to create a genetic model for the Ishiagu Lead-Zinc deposits.

Assessment of Environmental Geochemistry of Lead-Zinc Mining at Ishiagu

Mining 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.

Environmental and Socio-Economic Impacts of Lead and …

background, the paper investigated environmental and socio-economic effects of Lead and Zinc Ores mining in Ishaiagu Community in Ivo Local Government Area of Ebonyi State Nigeria. Results obtained ... of this paper to examine the environmental and social conflicts of lead and Zinc Ores Mining in Ishiagu ...