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Results 4421 - 4430 of 4599 for Lead
  • Pitchblende - Mining Fundamentals
    Article - 21 Apr 2014
    Pitchblende is an amorphous form of the crystalline uranium oxide mineral known as uraninite.
  • Native Metal - Mining Fundamentals
    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...
  • Golden Star Resources Q3 Gold Sales Decreases
    News - 9 Nov 2010
    Golden Star Resources Ltd. (TSX:GSC)(NYSE Amex:GSS)(GSE:GSR) has reported its third quarter financial and operational results for 2010. SUMMARY Operating cash flow of $35.4 million or $0.137...
  • AccuPyc: Gas Pycnometer for True Density of Solids
    Equipment
    The AccuPyc gas pycnometer is ideal for true density of solids.
  • What is the London Metal Exchange?
    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.
  • Fold - Mining Fundamentals
    Article - 6 Jun 2014
    Fold is a geological bend or flexure in stratified rocks resulting from the permanent deformation of sedimentary strata.
  • Electrolytic Refining - Mining Fundamentals
    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...
  • 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...
  • Acid Mine Drainage - Mining Fundamentals
    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...
  • Deep Sea Mining: An Introduction to Underwater Mining
    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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