Jun 13 2021The main objective of this work is to investigate the risk associated with quarrying of rocks and the deposition of heavy metals at the sampled locations by determining the concentrations of heavy metals in the environment using ICP OES and calculate the pollution indexes This will help determine the sources of the pollution if any
Get PriceThe quarrying operation cuts a block of stone free from the bedrock mass by fi rst sep arating the block on all four vertical sides and then undercutting or breaking the block away from the bedrock fi g 7 Two of the oldest methods for quar rying are channel cutting and drilling and broaching
Get Priceareas in Ogun State Nigeria are characterized by agri cultural and stone quarrying activities while hand dug wells streams and boreholes are the major sources of water for drinking and other domestic activities Metal pollution has been reported in shallow well water sam ples in the neighboring town Ago Iwoye has been re
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Get PriceMachine Quarrying of Stones Machine quarrying is done by using channeling machines in the site This type of machine is driven by steam compressed air or electricity A groove is made using this machine around the rock and the horizontal holes are drilled underneath the block Hence the block gets separated from its bed
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Get Pricemixes incorporating limestone or quarry dust were compared It was found that the quarry dust as supplied could be used successfully in the production of SCC However due to its shape and particle size distribution mixes with quarry dust required a higher dosage of super plasticizer to achieve similar flow properties
Get PriceThe increase in the demand for sand and gravel for construction and other purposes such as flood control has placed immense pressure on the environment where sand and gravel resources occur This study was carried out to determine the environmental effects of sand and gravel mining in Luku North central Nigeria using field observations and laboratory analysis of soil samples
Get PriceLimestone mining can affect ground water conditions Limestone deposits often occur in association with karst a topography where limestone slowly dissolves away underground The deposits result in sinkholes caves and areas of rock fractures that form underground drainage areas When mining occurs in karst disruption to natural aquifers or
Get PriceJul 6 2022They tend to be more expensive and in higher demand than the other sources because carting away such enormous amount of sand from rivers are prohibited in some localities or counties 2 Quarry or Manufactured sand These are artificial sands gotten during crushing of stones to produce fine aggregates of uniform grain shapes
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Get Price5 Sand Mining Adversely Affects Tourism Sand mining destroys the aesthetic beauty of beaches and river banks and also makes the ecological system in these areas unstable If such beaches and riverside areas are popular tourist destinations then the tourism potential of such areas will be lost Share
Get Priceand river siltation [4] Quarry noise and vibration can lead to formation of micro cracks that could turn to mega cracks with time causing failure of nearby structures [5] According to Stehouwer et al [6] quarry activities exert tremendous pressure on limited soil and water resources thus increasing the rate of
Get PriceThis paper presents a review on previous activities of mining on water resources around active and abandoned mines/quarries across Ebonyi State South Eastern Nigeria As high demand for water increases due to population growth and rapid development across the state it is of upmost importance to periodically review water quality and also
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Get PriceLimestone scenery above ground karst scenery includes Swallow hole Surface water passes over an impermeable rock until it reaches permeable limestone The water passes over the limestone and erodes vertical joints to form swallow holes Over time the swallow hole increases in size as the result of erosion often by solution when slightly
Get PriceFracture characterization of rocks in Supare Ondo State South western Nigeria was examined in respect to their suitability for dimension stones Detailed geological mapping of the area carried out on scale of 1 12 500 indicated that the dominant
Get PriceRegarding the effect of quarries and stone cutting industries on fruit trees the results indicated that olive was the most affected one with average respondents of 31%; whereas 8 6% of respondents indicate that all olives and almonds were extinct
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Get PriceThe river sand used in this work was obtained from Otamiri River in Owerri Imo state Nigeria the quarry dust and the coarse aggregate were obtained from Abakaliki in Ebonyi state Nigeria the cement used was Dangote cement bought from the cement shop and the water used was obtained from pipe borne water from the Federal Polytechnic
Get Pricethe environmental effect of stone quarrying activities on the soil water and Air quality within the communities Stone quarrying activities has resulted in environment issues in Nigeria and Ebonyi State inclusive This activities has affected Air Water and Soil quality around the host communities
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