·Figure 9 Child labours working in stone crusher in Chandipur village Figure 10 Tribal people engaged in various allied activities of stone quarrying Socio economic impact of stone quarrying Mitrapur is primarily a tribal area of Balasore district Now a days stone quarrying is one of the major source of livelihood for many tribal people
·The present study focused on environmental impact assessment EIA due to aggregate quarrying and crushing activities at four selected mining/crusher clusters in the middle catchment of Dwarka river basin of Eastern India EIA is done both spatially and cluster wise considering the impacts of 10 number of influencing factors on 12 number of
·A crusher also known as a stone crusher is a machine that uses mechanical action to break large rocks ores or other raw materials into gravel or rock powder Different crushers have various crushing methods and different stages of crushing require different types of crushers Two main ways of crushing Crushers reduce
·Impact crushers are most commonly used in stone quarrying industry for making fine grained stones used in road and building materials The impact crusher as shown in Fig 6 feed the material into the crushing chamber where a rotating disc containing hammer is working The rotating action of the hammer apply heavy blow over the feed
·Excessive demand for stones due to rapid infrastructure development led to uncontrolled stone quarrying in Mitrapur panchayat of Balasore district causing serious environmental degradation and
·Format of Mining Lease Agreement for quarrying stones Mining lease is a legal contract for the right to work a mine and extract the mineral or other valuable deposits from it under prescribed conditions of time price rental or royalties A mining lease gives the holder the exclusive right to conduct mining operations and sell the minerals
·Galetakis et al [3] used limestone powder and marble stone sludge for the production of building elements The addition of stone sludge and quarry sand has improved physical and mechanical properties Compressive strength higher than 20 MPa has increased and water absorption lower than 10% has decreased Weathering tests 30
Though socioeconomically stone crushing and quarrying is an important industrial sector engaged in the production of crushed stones used as raw material for various constructional purposes but at the same time it has become the cause of concern everywhere in the world 1 Like many other man made activities it also cause significant impact on
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