All over the world there is a realization that quarrying activities has evolved over time to mining industry that has the potential to provide hither to unparalleled services to management in their efforts to reduce effects of quarrying risks to the human being and the surroundings This potentially has been turned into a challenge and embodied in the new
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Quarrying is a process which remove stones or construction materials from the land and riverbanks There are two types of quarrying that is mountain quarrying and river quarrying Both of them have substantial negative environmental effects Issues on quarrying is still going on and were discussed in media
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— The first site was an old abandoned stone quarrying site; the second was where quarrying work was actively going on at the time of the study; and the third was an area never before exposed to
— 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 an
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— 2 Location and the Geology of the Area Surrounding land use includes a natural ridge and valley to the south and west of the site grazing and subsistence agriculture to the north and the historical plant and stockpile area to the east see Figure 1 The only major infrastructure in proximity to the site is the N2 highway which at its closest point is
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— Quarrying of Stones Definition Stones occur in the form of natural rock masses or layers on the surface The process of extraction of suitable stones from their natural rock beds or layers is commonly called Quarrying of It differs from the mining of ores of metals in that whereas quarrying is an operation carried out entirely on
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— Gunn and Bailey report that crushed stone quarrying has removed an entire karst hill and large portions of other nearby karst hills in the Mendip Hills UK Impacts Due to Blasting Blasting is a technique where large amount of explosives is used in crushed site operations to obtain approximate size rubble of limestone
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— This study was carried out in quarry site at Ogbere town located at Ijebu North Local Government Area of Ogun State; with main aim of assessing the impact of the quarry activity on bio diversity
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— Abstract Stone is a useful natural resource but its extraction has sustainability implications for the environment and livelihoods This study examined the impacts of stone quarrying activities on sustainable livelihoods and the environment and the implications of the impacts for the Sustainable Development Goals SDGs in selected
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— Small scall quarrying of stone and sand pits is rampant across major river Basins and Highlands of Cameroon The Sanaga River Basin is well known for its richness in sand popularly known as the
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— This study investigated the effect of stone quarry activities and seasonal variation on the concentration of air pollutants Higher concentration of particulate matter was observed in the dry
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— The soil was observed to be more acidic during the rainy season as the pH values increased Compared to the dry season the analysis indicates that the effect is more evident at the quarrying point The negative environmental effect is more prevalent in the older quarry due to the length of operation
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— It is on these bases that the study was conducted to unearth the effects of dimension stone quarrying activities in consideration to legal frame works in Ndarugo area in Kiambu County Kenya
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— Increasing gold and mineral mining activity in rivers across the global tropics has degraded ecosystems and threatened human health1 2 Such river mineral mining involves intensive excavation and
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— The first site was an old abandoned stone quarrying site; the second was where quarrying work was actively going on at the time of the study; and the third was an area never before exposed to
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— Mining and quarrying for minor minerals impart significant economic environmental and social impacts in and around the affected areas The problem is severe in the small river catchments as the effective area available for assimilating negative impacts of the activity is minimal compared to large river basins To address these issues an
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The effect of stone quarrying in Bangladesh is a topical subject in the fields of development studies geography environment and social science Among different stone quarrying sites the situation of Jaflong in Sylhet is more vulnerable to environmental and social effects The Jaflong area is known as the Khasi people area
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— The accumulated microforms of quarry floors formed as a result of quarrying are larger heaps and boulders dissecting the approximately flat ground surface Planation Activity Quarrying does not only construct landforms but it can also result in planation With the spreading of dump material over natural or artificial features slopes
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— Erosion of banks drop in the streambed level and overall channel instability are the physical effects associated with river sand extraction Lee et al 1993 Surian and Rinaldi 2003 Kim 2005
— Dimension stones are natural stones that have standard dimensions and shapes and are used in various construction fields such as building facades interior parts of buildings structures
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نحن نقدم للعملاء مجموعة متنوعة من معدات التكسير عالية الجودة، ومعدات صنع الرمل، والكسارات المتنقلة، ونعمل على تحسين مجموعة الأنواع المختلفة من المعدات لتلبية احتياجات العمليات المختلفة.
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