open pit mining pros and con

Open Pit Mining Pros & Cons | Sciencing

Jun 25, 2018· Openpit mining is much safer than shaft mining In underground mining, the threat of a cavein or release of toxic gas is a constant concern When shaft mining was the most common method of ore extraction, thousands died in caveins, gas events and accidents involving equipment In 1907 alone, more than 3,200 deaths related to mining occurred

The Advantages of Open Pit Mining | Sciencing

Mar 13, 2018· 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 is the preferred

Advantages and disadvantages of open pit mining ~ LORECENTRAL

Apr 02, 2018· What is open pit mining Open pit mines are those mining operations that take place on the surface , unlike the underground mines This is possible when the reservoir sprouts on the surface or at a very small depth It began to be realized in the middle of the XVI century and it

Open pit mining pros & cons eHow

Jul 14, 2020· Openpit mining is a type of mineral or rock extraction that does not necessitate tunnelling into the earth When a desired mineral or rock is near the surface, companies typically opt for openpit mining due to its lower costs and increased efficiency

Essential Pros and Cons of Mining 2021 | Ablison Energy

Jun 09, 2020· Essential Pros and Cons of Mining by Jordon Layne Jun 9, 2020 Open pit mining — or stripmining — is an extraction process on the surface of a mining site for ore or fossil fuels According to Greenpeace International, 40% of mining worldwide occurs on the surface Surface mining is much more efficient than underground mining

What are the pros and cons of subsurface mining? Quora

Advantages of underground mining: *less surface disturbance *less environmental disturbance *less waste mined per tonne of ore *ability to mine resources that are not economic as a surface mine *cheaper to set up mine development for deep ore depo

What is subsurface mining?Jun 21, 2019What are the pros and cons of mining?Aug 28, 2018What is the advantage and disadvantage of surface mining What are the advantages of opencast mining? 查看更多结果

The Advantages of Open Pit Mining | Sciencing

Mar 13, 2018· 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

Open pit mining pros & cons eHow

Jul 14, 2020· Openpit mining is a type of mineral or rock extraction that does not necessitate tunnelling into the earth When a desired mineral or rock is near the surface, companies typically opt for openpit mining due to its lower costs and increased efficiency

Open Pit Mining Disadvantages | Mineral Production

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

ENVIRONMENT: THE PROS AND CONS OF MINING Edge Davao

Aug 09, 2018· Openpit mining may cheaper when compared to other methods, but it is not environmentallysound “Openpit mining clears the vegetation covering the deposits, exposing the soil and permanently changing the landscape and land use,” said Dr Daño, who was then the assistant director of the Ecosystems Research and Development Bureau (ERDB) of

Week3Open Pit Miningpptx Photo Credit Ekati 2019

Open pit mining pros and cons Retrieved from • Center for Biological Diversity 2019 Stopping the Rosemont copper mine Retrieved from • Davis, T September 2012 New study says building mine to cost $12B, profit almost $7B Retrieved from 385b08adbhtml • Singh, MM November 2009

advantages and disadvantages of open cast mining

open cast mining pros and cons Supply Open Cast Mining Advantages And Disadvantages good pay for workers it is a source of energy cons: open pit mining, open cast mining, placer mining Get price pros and cons of open cast line NewAge Solutions pros and cons of open cast mining (industry), biggest, gold,diagram open pit mining pros and cons open pit mining reclamation open

Pros and Cons of Mining Pros an Cons

Dec 08, 2018· Mining can either be surface mining or subsurface (underground) mining Mining not only beneficial to the surrounding community and public in general, but it can also pose a lot of risks to the surrounding community Let’s look at the pros and cons of mining in an area Pros: 1

What are the pros and cons of subsurface mining? Quora

Advantages of underground mining: *less surface disturbance *less environmental disturbance *less waste mined per tonne of ore *ability to mine resources that are not economic as a surface mine *cheaper to set up mine development for deep ore depo

Worse Than Fracking? Lithium Extraction For Batteries

Apr 27, 2017· The oil sands mining does intact dig up oil saturated sand that is in many cases unable to support vegetation, remove the oil and replace the sand with clean soil SAGD is the process of heating water and injecting steam 100s of metres below the surface to increase the mobility of the oil, does not intact involve mining

Argentineans Oppose OpenPit Mining Project in Chubut

15 小时前· On Jan 26, citizens published a letter outlining their social, scientific, and environmental arguments for rejecting the PL128/20 project which seeks to initiate openpit mining activities in the Chubut plateau's northcentral region

Open Pit Mining Disadvantages | Mineral Production

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

What are the pros and cons of open pit mining? THANK YOU

May 20, 2010· Openpit mining, also called stripmining: Pros It's easy and cheap for the mining companies, which does translate into a lower cost to you, the consumer Con It's devastating to the environment, not just in the physical removal of what is sometimes a mileswide, thousandfootdeep hole in the ground, but also the use of acid washes on

The Advantages And Disadvantages Of Surface 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

The many advantages of underground mining

Apr 27, 2015· Choosing between openpit mining and underground mining is a decision that every mining company makes, but it is not based on the miner’s whim and predilection Selection always depends on the geometry properties of the deposit, its position, location, and type Generally, startup explorers and miners begin with openpit mining because it is

Open Pit Mining by Madison Bangs Prezi

Opinion Open Pit Mining In my opinion I think Open Pit Mining should stop It causes a lot of harm to the environment and the communities that live nearby This type of mining pollutes water, air and ruins landscape It also harms people and animals that live relatively close to

The Actual Difference Between Surface and Underground Mining

Openpit Mining: Removing ore to leave a crater Quarrying: An openpit 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: Room and Pillar Mining: Removing ore, while leaving

Pros and Cons of Mining Genuine Pros~Cons Info

Jun 04, 2019· Mining is a process of extraction of valuable minerals or other geological minerals from the surface of the earth Surface mining is quite common in practice these days Both surface mining, as well as underground mining, has its own benefits as well as consequences to the surroundings Some pros and cons of mining are:

What are the advantages and disadvantages of underground

Feb 13, 2016· Shallow mineral or coal deposits can be economically mined by openpit 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 downside is that human health and safety are at greater

Pros and Cons of Strip Mining | APECSEC

Feb 25, 2015· The following is a closer examination of the pros and cons 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

5 Pros and Cons of Strip Mining | Flow Psychology

5 Pros and Cons of Strip Mining Materials such as coal and tar sand are located relatively near the surface of the earth The method to recover such materials is called strip mining, a form of surface mining where surface vegetation, soil and rocks are removed in strips and often times together with controlled explosions in order to make the

What are the advantages of opencast mining? Quora

Opencast 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

open pit mining of iron ore get2durban

Open pit mines The worlds biggest open pit iron mine can be found near Hibbing, Minnesota At its maximum, the area covered by the Hull Rust open pit mine is five miles (8km) long, 2 miles (3,2km) wide and 535 feet (180m) deep It looks like a manmade Grand Canyon of over 2,000 acres (8,1km) The first iron ore extractions were made here in

The Pros And Cons To Copper Mountain Mining Corp (OTCMKTS

Based on an evaluation on January 1st, 2017, the openpit mine has a useful life of 16 years, which is expected to last until 2031 There are three main pits on Copper Mountain Pros and Cons

Pro/Con: Can copper mining by done safely? | Duluth News

Pro/Con: Can copper mining by done safely? Wis Kennecott was the operator of this openpit copper sulfide mine that operated 140 feet from the Flambeau River in the 1990s During the mining