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Results 391 - 400 of 887 for Mining
  • Block Caving - Mining Fundamentals
    Article - 12 Feb 2014
    Block caving is a gravity-based underground mining method that involves breaking up the rock mass located at depth into pieces. This method is particularly suitable for low-grade minerals or with...
  • Bioleaching Process - Mining Fundamentals
    Article - 24 Apr 2014
    Bioleaching or microbial ore leaching is a process used to extract metals from their ores using bacterial microorganisms. The bacteria feed on nutrients in the minerals causing the metal to separate...
  • Autogenous Grinding - Mining Fundamentals
    Article - 24 Apr 2014
    Autogenous grinding is a process of grinding ore in a rotating cylinder using large pieces of the same ore. Autogenous mills operate mechanically like the ball mills; however, the media used for...
  • Anthracite - Mining Fundamentals
    Article - 24 Apr 2014
    Anthracite is a hard, lustrous black coal that contains a high percentage of fixed carbon and a low percentage of volatile substance. It is the most metamorphosed type of coal with carbon content...
  • Where Can You Mine for Gold?
    Article - 24 Apr 2014
    Gold is an extremely rare ore. Geological survey reports state that the average concentration of gold in the Earth’s crust is only 0.005 ppm. It is found in rocks at very low concentrations.
  • Electric Vehicles For Mining: An Interview With Erik Svedlund
    Article - 12 Jul 2013
    Erik Svedlund, product manager for underground electric loaders and trucks at Atlas Copco URE, talks to AZoMining about the innovative new green line from Atlas Copco and the potential economic and...
  • Hungary: Mining, Minerals and Fuel Resources
    Article - 20 Nov 2012
    The mining sector of Hungary is small scale and does not play a significant role in the country’s economy. Currently, the labor market is seeing a transition towards a focus on high skill employment....
  • Slovakia: Mining, Minerals and Fuel Resources
    Article - 20 Nov 2012
    Slovakia is located in the south of Poland in Central Europe.
  • Serbia: Mining, Minerals and Fuel Resources
    Article - 19 Nov 2012
    Serbia has a total area of the country is 77,474 km2. The country’s climate varies from continental to the Mediterranean according to the regions.
  • Antarctica: Mining, Minerals and Fuel Resources
    Article - 19 Nov 2012
    Antarctica is a frozen desert continent located south of the Antarctic Circle. It is mostly uninhabitable with a total land area of 14 million km2 of which only 280,000 km2 is ice-free.

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