disadvantage open pit mining

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 .
What are some pros and cons of mining? | Socratic Jun 09, 2017· List of major aspects below: In a nutshell, although it is an undeniable fact that mining affects our world enormously, we ought not to demonize its practice while its benefits are constantly enjoyed by the large majority of people PROS: I Economic incom enormous earnings by exportation, private contracts II Job offers/opportunities for locals
Advantage And Disadvantage Of Open Pit Mining 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 Read more The Advantages of Open Pit Mining ,
Surface Mining Methods and Equipment UNESCO – EOLSS SAMPLE CHAPTERS CIVIL ENGINEERING – Vol II - Surface Mining Methods and Equipment - J Yamatomi and S Okubo ©Encyclopedia of Life Support Systems (EOLSS) Figure 2 Change in production and productivity of US coal mines The higher productivity for open pit mining equipment also lowers costs
Underground vs 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 ,
Open Cut or Underground Mining - Which is better? - Bend , Oct 21, 2017· Open-cut gets its name because that’s exactly what this type of mining looks like, a big open pit This type of mining allows for the extraction of minerals that aren’t very far under the surface The process keeps the activity from going deep underground This has many advantag Yet, it’s only viable when the materials are reachable .
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.
Disadvantage Open Pit Mining - ludotecahappytimeit Advantages and disadvantages of open pit mining - LORECENTRAL 02/04/2018 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
disadvantage of open pit mining - edelsmidse-morinl 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
The many advantages of underground mining - born2invest Apr 27, 2015· Enhancing its opencast operations with an underground mining could potentially increase the Kun-Manie mine site by at least 19 percent Choosing between open-pit mining and underground mining is a decision that every mining company makes, ,
What Is Open-Pit Mining? (with picture) - wisegeek Jul 01, 2019· It differs from other types of mining processes that may require the digging of underground tunnels a long distance from the surface in order to reach the material One of the advantages of the open-pit mining system is the fact that it is not as capital or labor intensive as the underground method of mineral or precious metal and stone extraction
Open Pit Mining Pros & Cons | Sciencing Open-pit mining is much safer than shaft mining In underground mining, the threat of a cave-in or release of toxic gas is a constant concern When shaft mining was the most common method of ore extraction, thousands died in cave-ins, gas events and accidents involving equipment In 1907 alone, more than 3,200 deaths related to mining occurred
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 sourc
disadvantage of open pit mining - ekhayawhiterivercoza 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 ,
Environmental Science Land Use Review Flashcards | Quizlet Compare and contrast the economic and environmental advantages and disadvantages of 3 types of surface mining and subsurface mining Surface mining (strip mining, 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
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 .
The effects of mining industry in the Philippines , Here are the list of effects of mining industry in the Philippin , Open-pit mining also leaves behind large craters that can be seen from outer-space , though it has its advantages yet the disadvantages far outweigh the advantages of its existence
Dragline excavator - Wikipedia Page 725 dragline at Turkish Coal Association - Yenikoy Open Pit Coal Mine, Milas A dragline excavator is a piece of heavy equipment used in civil engineering and Surface mining Draglines fall into two broad categories: those that are based on standard, lifting cranes, and the heavy units which have to be built on-site .
Environmental Consequences of Open Pit Mining - Blogger Mar 14, 2012· Environmental Consequences of Open Pit Mining An open pit mine is a type of excavation where surface and subsurface materials (soil and rock) are removed, typically through use of explosives and mechanical mining and hauling equipment, to gain access to commercially valuable ores or other buried natural resources, including coal and gemstones .
Underground versus Open Pit Mining - Blogger As its name indicates, open pit mining is a method of extracting rock or minerals from open pits, like quarries and burrows This ancient form of mining requires no tunneling and is utilized when substances are fairly close to the surface These mines are not just big open hol
Open-pit mining - Wikipedia Open-pit mining is to be considered one of the most dangerous sectors in the industrial world It causes significant effects to miners health, as well as damage to the ecological land Open-pit mining causes changes to vegetation, soil, and bedrock, which ultimately contributes to changes in surface hydrology, groundwater levels, and flow paths
advantages of open-pit mining - cateringdiromait advantages and disadvantages of open cast mining method Advantages of open-pit mining include a lower cost compared with other methods and a higher safety level Open-pit mining is also better suited to quarries containing smaller amounts of the substance being mined Free Quote The many advantages of underground mining - Born2Invest
Advantages and disadvantages of open pit mining - LORECENTRAL Apr 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 ,
advantages and disadvantages on open pit mining? ? | Yahoo , Jan 19, 2009· Best Answer: 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 .
What are the Advantages and Disadvantages of underground , Apr 12, 2009· Advantages Underground mining (as compared to open pit exploitation) allows a mine operation to be largely 'hidden' having only adits or headframes protruding above the surface This enables the land above the zone of mining to be reclaimed for other uses, after the mining has ceased, so much easier than in the case of an open pit
Open Cast Mining Advantages - 911metallurgist In 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 advantag And finally, the ultimate decision to mine from the surface or from underground comes down to the specific characteristics of the deposit
The advantages of open pit mining - ehowcouk 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 .
Disadvantages Of Open Pit Mining Disadvantages Of Open Pit Mining disadvantages of open pit mining THE AMERICAN PIT BULL TERRIER ORIGINS By Mariano Peinado What always it has been an absolute priority for all the breeders of authentic American Pit Bull Terrier, since this breed dog was originated 500 years ago, the selection went from A P B T with good disposition toward the human being, eliminating radically of ,
What is a disadvantage for open pit mining - answers An open pit mine is essentially a big hole in the ground Dust is created in mining activities, and any moisture falling into the mine can dissolve minerals and convey them into ground water