Ontology: Techno Order

Class 0891 of International Standard Industrial Classifications of All Economic Activities (ISIC) Rev.4 .

This class includes:

  • mining of natural phosphates and natural potassium salts
  • mining of native sulphur
  • extraction and preparation of pyrites and pyrrhotite, except roasting
  • mining of natural barium sulphate and carbonate (barytes and witherite), natural borates, natural magnesium sulphates (kieserite)
  • mining of earth colours, fluorspar and other minerals valued chiefly as a source of chemicals

This class also includes:

  • guano mining

This class excludes:

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Children of #isic0891 - Mining of chemical and fertilizer minerals:

#isic0891 - Mining of chemical and fertilizer minerals in the tree of #isic08 - Other mining and quarrying: