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  • Differences between underground mining and open pit mining ,
    Differences between underground mining and open pit mining ,

    Apr 02, 2018· The Witwatersrand gold mine in South Africa is an excellent example of underground mining that exploits gold from ancient rocks at depths of up to 4 km underground What is open pit mining On the other hand, open-pit mining is the most common mining and ranges from very low-priced minerals to finely disseminated gold deposits

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  • 2 Mining Methods - Copper
    2 Mining Methods - Copper

    Open pit mining is a technique used to extract copper ore near the earth's surface Open pit mining is the most widely used technique of mining copper today It is accomplished by creating and using benches or terraces to gradually reach deeper under the earth's surface Underground mining is used when the copper ore is not near the earth's .

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  • Underground versus Open Pit Mining - Firwin Corp's Blog
    Underground versus Open Pit Mining - Firwin Corp's Blog

    Underground versus Open Pit Mining , Unlike open pit, underground mining requires that you take into account a wide variety of added requirements These include complex ventilation systems, area and local ground support, and of course finding a consistent, safe, and cost-effective way to get your materials to the surface .

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  • Open-pit mining - Wikipedia
    Open-pit mining - Wikipedia

    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, and the type of mining ,

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  • The Mining Life: Open Pit vs Underground - MICROMINE
    The Mining Life: Open Pit vs Underground - MICROMINE

    Aug 22, 2017· The Mining Life: Open Pit vs Underground August 22, 2017 The mining life is not for everyone Miners work long hours, often far from home, in one of the most physically-demanding positions out there While it’s up to the executives, the managers, and the other stakeholders to install the best designs for an underground or open pit mine .

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  • The Advantages of Open Pit Mining | Sciencing
    The Advantages of Open Pit Mining | Sciencing

    Mar 13, 2018· 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 Open pit mining is the preferred .

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  • Open Cut or Underground Mining - Which is better? - Bend ,
    Open Cut or Underground Mining - Which is better? - Bend ,

    Oct 21, 2017· Both open-cut and underground mining is used in modern mining The approaches are different, and there are advantages to each Open-cut mining Open-cut gets its name because that’s exactly what this type of mining looks like, a big open pit This type of mining allows for the extraction of minerals that aren’t very far under the surface

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  • Types of Australian mine: Open Pit or Underground Mine ,
    Types of Australian mine: Open Pit or Underground Mine ,

    Underground Mining Underground Mining is generally used for areas where the mineral seam is too far underground for open cut mining to be of use A tunnel, called a decline, is created to allow workers and machinery to reach the location of the minerals Stope mining is used for most hard rock mining of minerals such as copper, silver, lead .

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