disadvantages of open pit strip mining

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. Compared with underground mining, surface mining is much more efficient.

2/25/2015· 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.

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 5 types of mining are "sub-surface mining, surface mining, open-pit mining, dredging, and strip mining" please like :) Asked in Geology, Mining What are the advantages and disadvantages of ...

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-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 rocks are found near the surface.

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. Destruction of Animal Habitats. Mining also has disadvantages for plants and ...

Advantages of surface mining include economic and financial benefits for miners and communities and a safer alternative to pit mining, but its disadvantages include environmental impacts, such as erosion and contamination. Surface mining, also called strip mining, delivers economically vital supplies of coal, which powers transportation and ...

9/24/2015· Usually, strip mining is employed in mining tar sand and coal. It's a method referred to as open cast, open cut or stripping. First, the trees, shrubs and other structures in the area to be mined are removed – a task accomplished with heavy duty bulldozers.

Disadvantages of Open-pit mining ... Subsurface mining is less disruptive to the environment that strip mining, however the danger to the miners is greater ... The advantages and disadvantages of ...

4/2/2018· 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 . This is absorbed by animals and plants.

disadvantages of open pit mining. Open Cast Mining Advantages And Disadvantages XSM Open pit mining or strip mining is an extraction process for ore or fossil fuels that takes place at Contact US Open pit mining Wikipedia Open pit, open cast or open cut mining is a surface mining technique of extracting rock or surface of the active pit, or in previously mined pits...

Advantages and disadvantages of open pit mining. Apr 02 2018 · Table of Contents What is open pit miningAdvantages and disadvantages of open pit miningTypes of opencast minesDisadvantages of open pit mining 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 …

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.

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. compared with underground mining, surface mining is much more efficient.

Open-pit mining. Terrace mining. Strip mining. Contour strip mining. Auger Mining. Glory Holing. Hydraulic Mining. Heap Leaching. In-situ leaching (ISL) Prof. Dr. H.Z ...

Mining, process of extracting useful minerals from the surface of the Earth, including the seas. A mineral, with a few exceptions, is an inorganic substance occurring in nature that has a definite chemical composition and distinctive physical properties or molecular structure. (One organic

2/27/2017· Depends on the nature of the orebody and mineral assemblage. 1. Huge hole left in the ground. It might be useful though for something. I.e hydro pumpstorage in Queensland 2. Acid generation and toxicity 3. Lower level access potentially for mining...

Strip mining is a form of resource collection that involves dirt removal from a very large area to sift through it. Instead of working underground, a pit is created deep in the ground and all work is accomplished on the surface. Here are the pros and cons of strip mining to consider. Strip Mining Pros to Consider . 1. It is very cost effective.

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 - like strip mining open-pit mining involves removing the surfacelayer of soil. Miners then use explosives to break up …

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.

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.

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.

List of Pros of Strip Mining. 1. It is much more efficient compared to underground mining techniques. Supporters of strip mining are lauding the efficiency of the process compared to the more traditional underground mining. For them, the cost and safety for this kind of …

Nova Mining Wealthy Information for Healthy MiningThe basic concept behind making of Novamining website is to assimilate all relevant information of Indian mining industry at a single platform &advantages and disadvantages on open pit mining

Disadvantages of openpit mining - gent1913-1918be disadvantages of openpit mining advantages and disadvantages open pitstrip mining, open pit mining pros cons open pit mining -- or strip mining -- is an extraction process for ore or fossil fuels that ta...

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 …