iron pyrites การใช้

• This bed ranged from to thick and contained iron pyrite as well.
• One of his most distinctive motifs-the cube-directly developed from his use of square-shaped iron pyrites.
• However, it proved to be valueless iron pyrite and was eventually salvaged for road metalling.
• This rarely encountered solid is structurally similar to that of iron pyrite ( FeS 2 ).
• She was carrying iron pyrites and a general cargo and was bound for Leith and Hull.
• Aznalcollar Mines, an iron pyrite mining company, used the lake to hold water laden with metal residues.
• The iron pyrite then preserved the fossil.
• There are indications that the " Iceman " called 謙zi may have used iron pyrite to make fire.
• The iron pyrites in the clay can heat up when exposed to the air and occasionally ignite the shales.
• Iron pyrite was heaped up and allowed to weather ( an example of an early form of heap leaching ).
• Minerals with the formula MAsS and MAs 2 ( M = S ), which is structurally related to iron pyrite.
• Iron is scarce outside of HokkaidM
  and northwest Honshk
  , and iron pyrite has been discovered in Honshk
  , Shikoku and Karafuto.
• When the officer guarding Pike is shot, Sugarfoot finds the sniper, a prospector in an abandoned mine shaft of iron pyrites.
• In prehistoric caves dating back 40, 000 years, archaeologists have discovered strange curios, including shells and oddly shaped lumps of iron pyrite.
• "As bacteria ate the tissues of the animals, " he says, " they deposited a mineral called iron pyrite over the animal.
• Sulfur dioxide, which in turn is produced by the burning of sulfur or iron pyrite ( a sulfide ore of iron ).
• It was caused when spontaneous combustion, the natural reaction of oxygen and iron pyrite, or fool's gold, sparked an accumulation of coal dust.
• Mining operations yielded silver, copper, lead, zinc, platinum, nickel, cobalt, tungsten, iron, and iron pyrite ( " fool s gold " ), as well.
• The short-lived Breakneck Valley Gold Rush ended with the results of an assay of the deposits in London, showing that they were iron pyrites.
• Not all of the residents worked in the mine, some of them were prospectors in search of the gold, silver, copper and iron pyrite.