Quick Answer: What Are The Advantages And Disadvantages Of Open Pit Mining?

What are pros and cons of mining?

Top 10 Mining Pros & Cons – Summary ListMining ProsMining ConsHigher tax income for governmentsHabitat destructionMining is crucial for technological progressBiodiversity lossMining is a mature technologyEndangerment of speciesProcesses around mining are quite efficientMining can lead to ecological imbalance6 more rows.

What is the disadvantage of mining?

Across the world, mining contributes to erosion, sinkholes, deforestation, loss of biodiversity, significant use of water resources, dammed rivers and ponded waters, wastewater disposal issues, acid mine drainage and contamination of soil, ground and surface water, all of which can lead to health issues in local …

When would miners use an open pit mine?

4.2 Open-pit mining Open-pit mining is probably most advanced because of developments in mining low-grade copper deposits and iron ore. It is suitable for much of the resource if it is done on a large scale and will allow low-cost removal of most of the resource.

What are the disadvantages of open cut mining?

4. Disadvantages of open pit miningVery large amounts of waste rock are mined. … Major disruption of surface: pit footprint, waste dumps. … Very large volumes of overburden may need to be moved before reaching the orebody (e.g. coal) thus delaying return on capital expenditure;More items…

What are the advantages of open pit mining?

The main cost advantage of open-pit mining is that it allows mining with more efficient larger equipment. This means faster production and mining of lower grades of ore is possible. It also means potentially bigger revenues early as the mine prepares to go underground and mine the deeper parts of the orebody.

What is bad about open pit mining?

The effects of open-pit mining and mineral processing plants on the environment include land degradation, noise, dust, poisonous gases, pollution of water, etc.