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Results 221 - 230 of 359 for Lead
  • 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...
  • 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.
  • Article - 16 Nov 2012
    Georgia has a total area of the country is 69,700 km2, and it has a population of 4.003 million as of July 2018. The country enjoys a warm climate.
  • Article - 7 Nov 2012
    Kate Blancato, CFO of Extracor Canada Mining, talks to AZoMining about environmentally friendly mining and the potential of mining in West Africa.

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