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Results 231 - 240 of 377 for Lead
  • Article - 10 Mar 2017
    Dazzling, cutting-edge mining industry technology was recently on display at the Prospectors & Developers Association of Canada (PDAC) conference in Toronto.
  • Article - 4 May 2016
    German physicist Wilhelm Conrad Roentgen is noted for his accidental discovery of X-rays in 1895 during his analysis of cathode rays in high voltage, gaseous discharge tubes.
  • Article - 8 Jan 2015
    The profitability of mining firms depends on assays, which are run on concentrates, exploration samples, reference materials, and internal standards. Even a small bias relating to the total iron...
  • Article - 21 Apr 2014
    Pitchblende is an amorphous form of the crystalline uranium oxide mineral known as uraninite.
  • Article - 25 May 2014
    Native metal is the uncombined form of metal that occurs in nature. It is the pure, metallic form that does not occur in combination with other elements. Native metals are either found as native...
  • Article - 8 Oct 2014
    The London Metal Exchange (LME), founded in 1877, is the world’s largest trading center of industrial metals. It provides futures contracts and options on a number of base and other metals.
  • Article - 6 Jun 2014
    Fold is a geological bend or flexure in stratified rocks resulting from the permanent deformation of sedimentary strata.
  • Article - 23 Apr 2014
    Electrolysis or electrolytic refining is a technique used for extraction as well as purification of metals obtained by any refining method. In the electro- refining process, a block of impure metal is...
  • 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 - 24 Apr 2014
    Acid mine drainage (AMD), also referred to as acid and metalliferous drainage and acid rock drainage, can be defined as outflow of acidic water from metal mines or coal mines that have in most cases...

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