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Results 211 - 220 of 324 for Copper
  • Article - 1 Aug 2018
    Since its introduction around 4,000 years ago, coal – a naturally occurring combustible solid – has been utilized as a fuel source for heating and cooking and, in more recent times, for the generation...
  • Article - 11 Jul 2018
    Gold is mined at about 4,850 meters above sea level at the Veladero Gold Mine owned by the Barrick Gold Corporation. It is located about 374 km from San Juan, Argentina, in the Frontier district which...
  • Article - 5 Jan 2018
    Researchers have studied global energy consumption due to friction and wear in the mining industry, to determine the tribological and economic impacts.
  • Article - 26 Oct 2017
    The environmentally disruptive nature of all phases of the mining process is evident in any area of the world where oil, gas, and mineral extraction occurs.
  • Article - 23 Oct 2017
    “Green mining” is described as the implementation of technologies and mining processes that are aimed at reducing any possible environmental impacts that can occur following the extraction and...
  • Article - 26 Feb 2015
    Developing atomic spectrometric methodologies for geochemical sample analysis presents a number of challenges to commercial laboratories.
  • Article - 23 Apr 2014
    Heap leaching is an industrial mining process of separating precious metals, copper and other minerals from ores. It involves a series of chemical processes through which the mineral ores are piled in...
  • 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...
  • 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...
  • Article - 10 Sep 2014
    As nearly 70% of the earth’s surface is made up of water and mineral resources are severely depleted on land, several mining companies are exploring the concept of deep sea mining.

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