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open cast mining for metal ores disadvantages

advantages and disadvantages of open cast mining method

Open Cast Mining For Metal Ores Disadvantages. Open Cast Mining Advantages Open Cast Mining Advantages And it’s here that surface mining affords the selectivity of what is processed and what is the waste at the time of the mining Examples of disseminated ore deposits are porphyry copper deposits.

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What Are the Disadvantages of Opencast Mining?

Aug 04, 2015· 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.

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What Are The Advantages And Disadvantages Of Open Cast Mining

What are the advantages and disadvantages of open-pit mining. advatages: · it would create more jobs· You can get a lot of limestone at once.· Limestone is a valuable natural resource, used to make things such as glass and...

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What are the negative effects of open-cast mining? Quora

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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Open Cast Mining For Metal Ores Disadvantages

advantages of open cast mining Crusher Center. advantages and disadvantages on open cast mining Gold Ore Crusher. Munich Personal RePEc Archive open cast mining for metal ores disadvantages Grinding Mill

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Open Pit Mining Disadvantages Mineral Production

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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open cast mining for metal ores disadvantages

open cast mining for metal ores disadvantages. What Are the Disadvantages of Opencast Mining? 25/03/2020 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.

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advantages and disadvantages of mining ores

advantages and disadvantages of mining metal ores . What are the advantages and disadvantages of mining ores. Advantages: 1)Mining of ores will enable people to get useful It is cheaper to extract the ore or metal than underground. What disadvantages or advantages are there »More detailed Open-cast mining has several advantages compared to

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Opencast Mining (Quarrying): Methods, Advantages

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.

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What are the advantages and disadvantages of mining ores

Advantages:1) Mining of ores will enable people to get useful elements with significant profit.2) Mining will give unemployed people to get at least the simplest job.3) Mining of ores might result

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advantages and disadvantages of open cast mining method

Open Cast Mining For Metal Ores Disadvantages. Open Cast Mining Advantages Open Cast Mining Advantages And it’s here that surface mining affords the selectivity of what is processed and what is the waste at the time of the mining Examples of disseminated ore deposits are porphyry copper deposits.

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advantages and disadvantages of opencast and deep mining

Apr 26, 2013· What Are the Disadvantages of Open Cast Mining . There are several disadvantages of open cast mining. Advantages Jobs will be available for the people of the are. Deep coal mines in the UK are located in Yorkshire and Warwickshire as well as open cast mines in England, Scotland and »More detailed

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advantages and disadvantages of mining ores

advantages and disadvantages of mining metal ores . What are the advantages and disadvantages of mining ores. Advantages: 1)Mining of ores will enable people to get useful It is cheaper to extract the ore or metal than underground. What disadvantages or advantages are there »More detailed Open-cast mining has several advantages compared to

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Opencast Mining (Quarrying): Methods, Advantages

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.

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Environmental Risks of Mining

Open pit mining. Open pit mining, where material is excavated from an open pit, is one of the most common forms of mining for strategic minerals. This type of mining is particularly damaging to the environment because strategic minerals are often only available in small concentrations, which increases the amount of ore needed to be mined.

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What are the advantages of open-cast mining? Quora

Open-cast mining has several advantages compared to underground mining, these are:- * Open-cast allows for high tonnages to be moved hence economies scale * Safe as workers are not working under disturbed roof * Open-cast trucks have higher payloa...

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