Thank you for your interests in Liming Heavy Industry. Please feel free to submit your inquiry information to us. our sales manager will contact with you as soon as possible.
25/3/2020 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.
Opencast mining, otherwise known as surface mining consist of three different Read more advantages and disadvantages of open pit mining mining crusher Apr 15, 2013 Open pit mining does offer some advantages over traditional deep shaft mining
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.
Advantages of opencast mining There is no problem of ventilation Gestation period is less ISN ; Disadvantages of opencast mining •Work is affected by weather. »More detailed
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...
The disadvantages are comparatively few 1. Acquisition of large surface right for open pit mining. 2. The land owners, often tribal population, and contractual farmers living within the Mining Lease area are rehabilitated and compensated by cash, separate housing
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
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 causes changes to vegetation, soil, and bedrock, which ultimately contributes to changes in surface hydrology, groundwater levels, and flow paths. Additionally, open-pit produces harmful pollutants depending on the type of mineral being mined
Disadvantages Of Shaft Mining Crusher USA About disadvantages of shaft mining-related information:open pit mining, open cut mining or opencast mining is a method of extracting rock or minerals from the earthWhat are the advantages of open cast mining