- منطقة بودونغ الجديدة ، شنغهاي ، الصين .
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Quarrying of rock for construction purposes is a significant industry in Nigeria thus enhancing the development of economy activities. This study examined the physicochemical characteristics of water bodies around the quarry sites in Ogun State.
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Objective: To determine the prevalence of respiratory problems and lung function impairment among quarry workers in Ebonyi State, Nigeria. Methods: Respiratory problems and lung function were studied in 403 quarry workers aged 10-60 years. Respiratory problems were investigated with a questionnaire based on international …
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Among the quarries, rocks from AGI (Saje quarry) have the highest concentration of all the radionuclides (238 U, 232 Th and 40 K) while the values are lower in the samples from Colonial quarry (Adigbe). However, 40 K has the highest concentration in the rocks of the abandoned quarry sites, followed by 238 U and least for 232 Th. This trend is ...
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The soil samples were collected from twenty quarry sites across four Local government areas of Ogun state, Nigeria. The impacts of particle size distribution, organic carbon and matter as well as pH values of the soil samples, on the concentration of the radionuclides were determined using Pearson correlation and analysis of variance ...
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The insatiable demand for rock supplies has enticed numerous building and construction enterprises to participate in stone quarrying. However, this has had an environmental impact on air quality. This paper examines the environmental impact of quarrying on air quality in Ebonyi State, Nigeria. To achieve the main aim of the study, …
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Note that there are other regulations applicable in the quarry business in Nigeria. Is there any mandatory share capital for a company seeking to engage into quarry business in Nigeria? Yes, the minimum share capital for a company seeking to undertake a quarry business in Nigeria must be N5,000.000.00 (Five Million Naira).
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Study area: The studied quarry sites comprise of Associated Granite Industry (AGI), Saje and Colonial Quarry (CQ) opposite Navy School, Adigbe (the two of which are abandoned) and the non-quary site (NQS), Alabata. The quarries and Alabata (i.e., the control site)fall within latitude 7°9'N and 7°14'N and longitude 3°26'E and 3°40'E on the map of Ogun …
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Quarrying of rocks and minerals has contributed to the economic development of many nations. However, dusts generated from these quarries have caused environmental and health challenges. Health risk assessment of the environments around quarries in southwestern Nigeria was, therefore, carried out to delineate the effects of …
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At least 52% of studies from North-central of Nigeria reported NORMs in water and food crops around the mining sites in Nigeria. 50, 45, 50, and 38% of these studies had activity concentrations of 232 Th, 40 K, 238 U and 226 Ra that exceed permissible limits.
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Gravel & Stonedust Production Hot-mix Asphalt Production Ready Mix Concrete NIGERIA MARKET LEADERZeberced Group invested in the mining industry in 2007, leveraging technical expertise and experience garnered over the years in the quarry business. Today, the company operates two quarries located in Abuja and Kaduna…
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1.Monitoring of Mine closure and Rehabilitation 2.Review and Monitoring of mines emissions and effluents discharge reports 3pliance monitoring of mines, borrow pits and quarries. 4pliance monitoring and certification of rehabilitated and remediated mines sites. 5.Geo-environmental mapping. 6.Environmental monitoring of Acid Mine …
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