Minerals and Mining

1 ensp 0183 ensp III Mining Methods and their Impacts A Strip mining removes surface layers of soil and rock 1 When a resource sits in shallow horizontal deposits near the surface the most effective mining method is often strip mining whereby layers of surface soil and rock are


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What Is Surface Mining Convergence Training

Strip mining is the process of removing a thin strip of overburden earth or soil above a desired deposit dumping the removed overburden behind the deposit extracting the desired deposit creating a second parallel strip in the same manner and depositing the waste materials from that second new strip onto the first strip


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Chapter 2 The Environmental Effects of Strip Mining

7 ensp 0183 ensp THE ENVIRONMENTAL EFFECTS OF STRIP MINING A ll mining operations have a disruptive effect on the environment but the sheer volume of material involved in strip mining makes the impact on the environment especially acute Surface mining another name for quot strip mining quot can severely erode the soil or reduce its fertility pollute waters or drain underground water reserves scar


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What is the difference between surface and

Surface mining is safer and easier than subsurface mining Surface mining does more damage to the environment than subsurface Surface mining creates more of a mess then subsurface or open cut mining


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How does strip mining differ from subsurface mining

But briefly strip mining is economically quot necessary quot to extract some mineral resources such as coal when the overburden is not too thick In such cases an underground mine would be


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What is Surface Mining with pictures

1 ensp 0183 ensp Surface mining is a method of mining used to extract minerals and metals which are near the surface of the Earth There are three basic types of surface mining open pit mining strip mining and quarry mining These methods are much more economical than underground mining yet they can have a more significant impact on the surrounding environment unless efforts are taken to reclaim the land


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How do surface and subsurface mining differ and how

There is a lots of difference between surface mining and subsurface mining here i am starting with the basic definition below SURFACE MINING When the ore or mineral is present on near surface or shallow depth then excavation is carried out on th


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Surface Mining Industry of Metals Minerals Precious

Surface mining is a form of mining in which the soil and the rock covering the mineral deposits are removed It is the other way of underground mining in which the overlying rock is left behind and the required mineral deposits are removed through shafts or tunnels Surface mining is basically employed when deposits of commercially viable minerals or rock are found closer to the surface


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The Environmental Science of Surface Mining

21 ensp 0183 ensp Strip mining Strip mining as the name describes is a process of removing rock and soil in strips to get to the valuable mineral ores below After miners extract the resources they put back the leftover rock and soil called mining spoils or tailings to fill in the hole One way to replace tailings is to simply dump them luckily U S regulations require mining companies to replace


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mining Flashcards Quizlet

A power shovel cuts a series of terraces into the side of a hill An earthmover removes the overburden and a power shovel extracts the coal with the overburden from each new terrace dumped onto the one below Compare area strip mining dredging mountaintop removal open pit mining subsurface mining


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strip mining vs subsurface mining environmental impact

Strip mining and subsurface mining Strip mining or surface mining is performed when surface soil and rock are stripped off to reach the mineral of concern When such operations are done surface water bodies lakes streams etc gets acidity Acid mine drainage


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Compare surface and subsurface mining

Surface mining is safer and easier than subsurface mining Surface mining does more damage to the environment than subsurface Surface mining creates more of a mess then subsurface or open cut mining


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Strip mining Britannica

28 ensp 0183 ensp Strip mining removal of soil and rock overburden above a layer or seam particularly coal followed by the removal of the exposed mineral The common strip mining techniques are classified as area mining or contour mining on the basis of the deposit geometry and type The cycle of operations for both techniques consists of vegetation clearing soil removal drilling and blasting of


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STRIP MINING definition in the Cambridge English

strip mining meaning 1 a method of obtaining substances such as coal from the ground that involves removing the top Learn more


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A Brief Introduction to the Types of Surface Mining

Dredging is a method of obtaining mineral deposits from the bottom of rivers oceans harbors and streams As compared to other mining methods where the ore has to be accessed by removing material above it in this case the river makes the job easier by directly transporting minerals from


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Pros and Cons of Strip Mining APECSEC org

Strip mining can have unwanted effects on the natural ecosystem of the area where the mining is taking place Plant and animal life is often killed off taking years to regenerate In addition to the death of plants and animals the land also experiences increased susceptibility to erosion and flooding


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strip mining vs subsurface mining types

Strip Mining Open pit Mining Surface Mining Mining Strip Mining Strip mining is a kind of surface mining The ore is very near to the surface of the land but has one or more layers of rock and filth on top of it To mine the ore these layers have to be removed The steps in strip mining are similar to open pit mining


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The Actual Difference Between Surface and

Surface mining can be accomplished by the following main methods Open pit Mining Removing ore to leave a crater Quarrying An open pit mine for construction materials Strip Mining Ore is removed in parallel strips Mountaintop Removal Top of a mountain is blasted to remove deep ore Dredging Ore is removed from a river bottom The main methods of underground mining are


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Mining

13 ensp 0183 ensp Strip Mining When resources are available close to the surface a strip mine is the most efficient method of extraction The layers of regolith covering the resource are taken away and the exposed ore is mined This method is also called open pit mining or regolith harvesting depending on the depth of the work Subsurface Mining Methods


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chapter 12 Mineral and soil resources

1 ensp 0183 ensp Strip mining is where a trench is dug to obtain the materials c Shaft mining and slope mining area from of subsurface mining Shaft mining is a direct vertical shaft that breaks through the ore or hard stone and hoists it up so we may find the materials we ever so desire that is trapped in it


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Underground v s Surface Coal Mines Is

23 ensp 0183 ensp Strip mining is sensible when the ore body is near the surface The practice includes some of the largest machines on earth removing long strips of overlying soil and rock and then removing coal deposits Open pit mining utilizes blasting and mineral removing digger deeper into the earth causing a crater like result


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Strip Mining Open pit Mining Surface Mining Mining

Strip Mining Strip mining is a kind of surface mining The ore is very near to the surface of the land but has one or more layers of rock and filth on top of it To mine the ore these layers have to be removed The steps in strip mining are similar to open pit mining


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Surface mining

SURFACE MINING Surface mining is done by removing stripping surface vegetation dirt and if necessary layers of bedrock in order to reach buried ore deposits or surface mining is the process of extraction of minerals by removal of overburden Overburden is the rock or waste material which is lying on the mineral to be owned


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strip mining vs subsurface mining environmental impact

Strip Mining Strip mining is a kind of surface mining The ore is very near to the surface of the land but has one or more layers of rock and filth on top of it To mine the ore these layers have to be removed The steps in strip mining are similar to open pit mining


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distinguish between surface mining and subsurface

Distinguish between surface and subsurface mining between open pit and strip mines between shaft and slope min Surface mining is the extraction of mineral and energy resources near Earth s surface by first removing the soil subsoil and over lying rock strata Subsurface mining is the extraction of mineral and energy resources from deep


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subsurface mining

Mining examples body used water process Earth life Surface mining When an ore bed has been located relatively close to Earth s surface it can be mined by surface techniques Surface mining is generally a much preferred approach to mining because it is less expensive and safer than subsurface mining Get More


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An Introduction To Surface Mining

Mining could be classified in two forms mining at the earth s surface surface mining and mining underground subsurface mining This article will concentrate on the former Surface mining is predominantly used in obtaining sand gravel crushed stone phosphates coal


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