Mar 25, 2020· 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.
Type of Mining, Advantages, Disadvantages. Open Cast Mining Read more. Download 2 Mining Congress. CRUSHING & CONVEYING IN OPEN PIT MINES. THE APPLICATION OF . PIT MINES. CONVEYING ADVANTAGES AND DISADVANTAGES. • Advantages. Read more. XtremePapers (ii) The mining company in Cuba limited its output between 2008 and 2011.
Opencast mining is also known as open-put mining, open-cut mining, surface mining and also as strip mining, the later term being commonly used in the U.S.A. for opencast mining of coal. The overburden and the mineral, coal, are excavated in long strips of a few metres thickness and hence the operations are termed strip mining.
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.
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Jun 19, 2020· 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...
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Type of Mining, Advantages, Disadvantages. Open Cast Mining Read more. Download 2 Mining Congress. CRUSHING & CONVEYING IN OPEN PIT MINES. THE APPLICATION OF . PIT MINES. CONVEYING ADVANTAGES AND DISADVANTAGES. • Advantages. Read more. XtremePapers (ii) The mining company in Cuba limited its output between 2008 and 2011.
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Mar 25 2020 · 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 presence of pits and ponds around mines contributes to
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The open pit or open cast mining method is the obvious choice for a property with a wide area of mineralization exposed or existing close to the surface and continuing to greater depths. The open pit exposes the orebody from the surface by separate removal of ore and associated waste rocks.
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The open pit or open cast mining method is the obvious choice for a property with a wide area of mineralization exposed or existing close to the surface and continuing to greater depths. The open pit exposes the orebody from the surface by separate removal of ore and associated waste rocks.
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Keywords: Mining method, surface mining, open pit mining, open cast mining, placer mining, solution mining, leaching, stripping rati o, mining machinery, excavation, cutting, 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
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Open Cast Mining Disadvantages 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. disadvantages of open cast mining wikipedia What are the advantages of open cast mining.
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Underground mining has the potential for tunnel collapses and land subsidence (Betournay, 2011). It involves large-scale movements of waste rock and vegetation, similar to open pit mining. Additionally, like most traditional forms of mining, underground mining
Keywords: Mining method, surface mining, open pit mining, open cast mining, placer mining, solution mining, leaching, stripping rati o, mining machinery, excavation, cutting, 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
quarrying and open cast extraction of construction materials, stone and rock. (The processing of ore after extraction is covered in the Mineral Processing guideline as this is common to both open cast and underground mining operations.) Open cast mining involves the removal of ore from seams relatively near the surface by means of an open pit
3. The advantages of open pit mining. There are a number of advantages of open pit mining when compared to Underground Mining: Open pits can sometimes be brought into production quickly. Underground mining requires development (shaft sinking, adits, declines etc.) which might take years before production can start.
Jan 07, 2009· open cast mining . the impacts which it causes on the local area. BOTH advantages and disadvantages.
Jul 14, 2020· 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.
disadvantages of mining in india verwenbakker.nl. open cast mining define advantages and disadvantages Aug 11 2009 Best Answer Mining advantages well you get the minerals you need to make the stuff we need and it employs many people disadvantages runoff causes a lot of pollution open pit mines are an eyesore and can remain polluted for years Open cast or open pit mining