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Underground v s Surface Coal Mines Is Deep Drilling

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

What Are the Disadvantages of Opencast Mining Reference com

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 pollution

The Advantages Of Open Pit Mining Parisienne

Advantages and disadvantages of open pit mining Open pit mining disadvantages jayveebandnl open pit mining by madison bangs on prezi open pit mining according to mine engineer is an excavation or cut made at the surface of the ground for the purpose of extracting ore and which is open

Pros and Cons of Strip Mining APECSEC org

Feb 25 2015 · The Pros of Strip Mining 1 High Recovery Rate Other forms of mining do not guarantee the same rate of return as strip mining does Materials are recovered at a rate of up to 90 percent during strip mining which is a much higher recovery rate than most forms of mining can promise

Handout 7 Advantages and Disadvantages of underground

handout advantages and disadvantages of underground mining advantages underground mining as compared to open pit exploitation allows mine operation to be Sign in Register Hide Description Advantages and Disadvantages of Underground Mining

What are the environmental impacts of open pit mining

Mining is widely regarded as having adverse effects on environment of both magnitude and diversity Some of these effects include erosion formation of sinkhole biodiversity loss and contamination of groundwater by chemical from the mining process in general and open pit mining in particular

Open Pit Mining Methods

Open pit mining methods are applicable to mining ore deposits that apex at or near the surface If the deposit apexes below the surface the overburden and barren capping overlying the ore must be removed in advance of open pit mining The removal of this material is known as stripping

Disadvantages of Open pit mining Answers

The advantages and disadvantages of mining can be determined based on facts uncovered by scientists and by personal opinions One definite advantage is the fact that it brings in large amount of

Open Pit Mining Methods

Jan 15 2018 · Open cast mining has several advantages compared to underground mining these are Open cast allows for high tonnages to be moved hence economies scale Safe as workers are not working under disturbed roof Open cast trucks have higher payloa

PDF Open pit or block caving A numerical ranking method

Hence this method grew rapidly and the majority of iron copper and gold production came from open pit mines Open pit mining method has many advantages such as increased safety higher

open pit mining disadvantages

Advantages and disadvantages of open pit mining 02 04 2018 Disadvantages of open pit mining One of the main disadvantages of this type of mining operation is the environmental impact it causes Since cyanide mercury and sulfuric acid are used to remove the wastewater groundwater and air are contaminated as toxic dust

Differences between underground mining and open pit mining

Apr 02 2018 · Advantages and disadvantages of open pit mining Best vitamins for blood circulation Lorecentral org is a participant in the Amazon Services LLC Associates Program an affiliate advertising program designed to provide a means for sites to earn advertising fees by

disadvantages of open cast mining on workers BINQ Mining

What are the advantages and disadvantages of surface mining The advantages of surface mining include the fact that it is relatively cheaper gets more Less chance of workers dying from toxic fumes therefore it is safer unlike With tunnel mining the surface is disturbed less than with open pit mining

What are the advantages and disadvantages of open pit

The Advantages of Open Pit Mining Open pit mining does offer some advantages over traditional deep shaft mining Pit mining is more cost effective than shaft mining because more ore can be extracted and more quickly The working conditions are safer for the miners because there is no risk of cave in or toxic gas

What are the advantages and disadvantages of underground

Feb 13 2016 · Economically a better option in some geological settings but human safety a major issue Shallow mineral or coal deposits can be economically mined by open pit or strip mines However with deeper mineral or coal deposits it becomes very costly to remove a great deal of overburden in these kinds of settings So in these cases underground mining is more cost effective

The advantages of open pit mining eHow

Open pit mining does offer some advantages over traditional deep shaft mining Pit mining is more cost effective than shaft mining because more ore can be extracted and more quickly The working conditions are safer for the miners because there is no risk of cave in or toxic gas

Open pit mining Wikipedia

Open pit open cast or open cut mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow This form of mining differs from extractive methods that require tunnelling into the earth such as long wall mining Open pit mines are used when deposits of commercially useful ore or

disadvantages of open pit mining

advantages and disadvantages of open pit mining Nov 17 2017 Open pit mining or strip mining is a method of extraction for ore or some energy resource that occurs at the surface of a mining site In contrast with underground mining surface mining is much more efficient and offers some advantages over deep shaft or underground mining

What are the advantages of open cast mining Quora

Jan 15 2018 · Open cast mining has several advantages compared to underground mining these are Open cast allows for high tonnages to be moved hence economies scale Safe as workers are not working under disturbed roof Open cast trucks have higher payloa

What are the Advantages and Disadvantages of underground

Apr 12 2009 · Advantages 1 Mining of ores will enable people to get useful elements with significant profit 2 Mining will give unemployed people to get at least the simplest job 3 Mining of ores might result in finding something new and valuable since we are digging Disadvantages 1 Since mining sites are usually in the forest areas trees will be cut while people are getting to these places 2 Workers

The Disadvantages Of Open pit Mining

Open Pit Mining Pros Cons eHow Open Pit Mining Pros Cons Open pit mining or strip mining is an extraction process for ore or fossil fuels that takes place at the surface of a mining site

kolkata the disadvantages of open pit mining MC Machinery

Advantages and disadvantages of open pit mining 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 large machinery

Handout 7 Advantages and Disadvantages of underground

handout advantages and disadvantages of underground mining advantages underground mining as compared to open pit exploitation allows mine operation to be

Other Open Pit Mining Advantages Disadvantages

Advantages And Disadvantages Of Open Pit Mining Advantages and disadvantages of open pit mining Our Purpose And Belief LM Heavy Industry is committed to provide the global customers with the firstclass products and superior service striving to maximie and optimie the interests and values of the customers and build bright future with high quality

Disadvantages Of Open Pit Mining

disadvantages of open pit mining While open pit mining poses some danger to mine workers there are some safety advantages over shaft mining Workers in an open pit mine are not subject to death from mine cave in accidents

Advantages And Disadvantages Of Nickel Mining

advantages and disadvantages of nickel mining Can somebody tell me the advantages and disadvantages of with nickel based batteries that involve caused by nickel mining thats Advantages and Disadvantages of Data Mining ZenTut Data mining brings a lot of benefits to businesses society governments as well as individual

disadvantages of open cast mining

The many advantages of underground mining Born2Invest Choosing between open pit mining and underground mining is a decision that every mining company makes but it is not based on the miner s whim and predilection

Open Pit Mining Methods

Open pit mining methods are applicable to mining ore deposits that apex at or near the surface If the deposit apexes below the surface the overburden and barren capping overlying the ore must be removed in advance of open pit mining The removal of this material is known as stripping The stripping pit limits must be extended beyond the limits of the ore pit to provide a bench and the pit

Surface Mining Methods and Equipment

open pit mining followed by underground methods Here a brief comparison is made with respect to the advantages and disadvantages of various mining methods Figures 1a and 1b show histograms of production sizes for metal mines operated during between 1988 and 1997 in the western world Open pit mining is the most common

advantages and disadvantages on open pit mining Yahoo

Jan 19 2009 · Adavantages Easier access to materials Easier to transport materials to the destination Less hazards in regards to mining in tunnels or underground Disadvantages Alot more disel fuel burned to transport goods Blasting is also required making it highly dangerous to anyone around and the atmosphere All of the ones i can think of

placer mining advantages and disadvantages

Open Pit Mining Pros Cons Sciencing Open 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 24 7 online gold mining advantages and disadvantages agemobe

Basics of open pit mining YouTube

Jul 10 2016 · Basics of open pit mining Mining presentations Informative presentation you came across to know about Open Pit mining Open Pit mining advantages and disadvantages Duration 6 06 mining

Open Pit Mining Disadvantages Mineral Production

4 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

Advantages And Disadvantages Of Open Pit Mining

Advantages And Disadvantages Of Open Pit Mining Advantages 1mining of ores will enable people to get useful elements with significant profit 2mining will give unemployed people to get at least the simplest job 3mining of ores might result in finding something new and valuable since we are digging disadvantages 1since mining sites are usually in the forest areas trees will be cut while people

What Are the Disadvantages of Mining Reference com

What Are the Disadvantages of Mining Mining especially open pit mining destroys land that can be used for farming houses and other human purposes often permanently Entire mountains and rivers can be destroyed Loss of soil and deep underground excavation can also make land unstable and collapse Advantages and Disadvantages of

disadvantages mining equipment

Advantages and disadvantages of open pit mining LORECENTRAL Apr 02 20180183 32 Disadvantages of open pit mining One of the main disadvantages of this type of mining operation is the environmental impact it causes Since cyanide mercury and sulfuric acid are used to remove the wastewater groundwater and air are contaminated as toxic dust

What Are the Disadvantages of Opencast Mining

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

What is Open Pit Mining Arizona Daily Register

Nov 19 2018 · Advantages Disadvantages of Open Pit Mining The open – pit mining is profitable when the site is not very deep or when the soil is sandy or delicate so that underground mining is not possible Labour costs are lower both in excavation and transportation and allow the use of large machinery It does not require artificial lighting as