- What is open cut mining used for?
- Is Mining good or bad?
- What are the pros and cons of mining?
- What are the disadvantages of open cut mining?
- What are the advantages and disadvantages of open pit mining?
- What is the environmental impact of open pit mining?
- What are the issues with open cast mining?
- What is the disadvantage of mining?
- What does it mean to reclaim a mine?
- How do open pit mines work?
- What are the advantages of open cast mining?
- Is open cut mining safe?
What is open cut mining used for?
Open cut is sometimes referred to as ‘strip mining’.
It is commonly used in shallow, near surface coal and mineral mines.
It uses very large machinery (draglines, shovels, dump trucks) to move soil, extract coal or other minerals, and transport them for processing..
Is Mining good or bad?
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 …
What are the 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 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 and disadvantages of open pit mining?
Open Pit Mining Pros & ConsEfficient Operations. One of the major benefits to open pit mining is the increase in efficiency over deep-shaft mining techniques. … Greater Safety. Open-pit mining is much safer than shaft mining. … Loss of Ecosystem. … Pollution and Drainage.
What is the environmental impact of open pit mining?
The environmental impact of mining operations. The effects of open-pit mining and mineral processing plants on the environment include land degradation, noise, dust, poisonous gases, pollution of water, etc.
What are the issues with open cast mining?
Open-cast mining changes geological, hydrological and geotechnical conditions. It influences the existing ecological system and landscape. The dust and noise affect not only the atmosphere and soil, but also the whole human living space in the exploited territories.
What is the disadvantage of mining?
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.
What does it mean to reclaim a mine?
Reclamation is the combined process by which adverse environmental effects of surface mining are minimized and mined lands are returned to a beneficial end use. End uses may be open space, wildlife habitat, agriculture, or residential and commercial development.
How do open pit mines work?
Open-pit mining, or open-cast 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 tunneling into the earth, such as long wall mining.
What are the advantages of open cast 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.
Is open cut mining safe?
After the mineral deposits have been exposed, the area is drilled, fractured and the mineral extracted. This method has a high recovery rate when compared to the underground, as 90 percent of mineral deposits are recovered. Overall when compared to other methods, open-cut is much safer.