What Are the Disadvantages of Opencast Mining Opencast mining also known as surface mining or strip mining has disadvantages that include disturbance of the environment and local ecosystems exposure of radioactive elements and contamination of freshwater sources The use of heavy machinery and blasting techniques also create environmental
Chat OnlineIn the previous topic we saw which are some of the advantages that can make the surface open pit mining methods superior method compared to the underground mining However underground mining has its own advantages And finally the ultimate decision to mine from the surface or from underground comes down to the specific characteristics of the deposit In particular mineral deposits can
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Get PriceOpencast mining or quarrying of minerals is easier than mining by underground methods During quarrying the alluvium and rocks below which the minerals lie are removed and dumped in the initial stages in a place which is not required in future for quarrying residential or other purposes
Get PriceOpencast mining has several advantages compared to underground mining these are Opencast allows for high tonnages to be moved hence economies scale Safe as workers are not working under disturbed roof Opencast trucks have higher payloa
Get PriceAdvantages of open cast mining Advantages and disadvantages of having open cast mining may 05 2013 open cast mining advantages and disadvantag open cast mining advantages and disadvantag spoil heaps are overburden near more advantage and disadvantage of open pit mining control View All Dis advantages of open cast mining
Get PriceThe benefits and disadvantages of an Open cast mine Quarry to a village in Derbyshire Introduction Geography is the study of places the physical and human processes that shape them and the people who live in them This essay is going to be about the benefits and disadvantages of an open cast mine quarry to a village in Derbyshire
Get PriceApr 02 2018 · Advantages and disadvantages of open pit mining Open pit mining is profitable when the deposit is not very deep or when the terrain is sandy or delicate so that underground mining is not possible Labor costs are lower both in excavation and transportation and allow the use of
Get PriceOpen pit mining or strip mining is an extraction process for ore or fossil fuels that takes place at the surface of a mining site Worldwide 40 percent of mining occurs at the surface according to Greenpeace International Compared with underground mining surface mining is much more efficient The Advantages of Open Pit Mining
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Get PriceThe Advantages of Open Pit Mining Sciencing 24 Apr 2017 The cost advantage of open pit mining to investors is a matter of scale According to the Delta Mine Training Center an open pit mine is
Get Price4 Disadvantages of open pit mining However disadvantages when compared to Underground Mining also exist Very large amounts of waste rock are mined This creates costs as well as environmental issues with waste rock disposal Major disruption of surface pit footprint waste dumps High visual impact especially strip mining
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Get PriceAdvantages Of An Open Cast Mining Open Cast Mining Method Advantages Disadvantages open pit mining may be used when very large quantities of material are mined such as gold mining copper ore etc it permits removal of a much gr
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Get PriceA major part of iron ore nonferrous metals brown coal building materials and minerals for industry is being excavated in opencast mines This type of mining has a deep impact on the natural strata Opencast mining changes geological hydrological and geotechnical conditions It influences the existing ecological system and landscape
Get PriceSep 24 2015 · This kind of mining is particularly useful when the minerals are located very close to the surface as it’s more feasible and much easier and quicker to remove the overburden in order to get them Usually strip mining is employed in mining tar sand and coal It’s a method referred to as open cast open cut or stripping
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