advantages and disadvantages on open pit mining madagascar

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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 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 Disadvantages It provides you with a valuable The pollution left behind from rock that is expensive and therefore the machines used in the worth a lot and can easily be turned mining

An open pit mining operation virtually eliminates any biologic life at the surface Vegetation is stripped and the surface at the dig site is left completely barren Without replanting and restoring the ecosystem a strip mining site can take decades to recover Abandoned mining pits can also pose extreme risks

Previous Next Open Cast Mining Advantages 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 advantages And finally the ultimate decision to mine from the surface or from underground comes down to the specific characteristics of

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

Jan 15 2018 · The cost of open pit mining is generally 50 75 lower than the cost of underground mining which is conducive to largescale exploitation of lowgrade ore The main drawbacks of open pit mining arethe occupation of land the surface is destroyed the environment is contaminated

The disadvantages of mining include harm to air pollution water pollution loss of usable land destruction of animal habitat and harm to local communities and the miners themselves

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