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Variograms and their role in interpretation of soft iron ore types

  • Indira Dutta
  • S. V. L. N. Rao
Article

Abstract

Difficulties are encountered in the interpretation of variograms from mixed populations. A case history study of a soft iron ore body capped by laterite demonstrates that the variations observed in variograms for different elements are caused mainly by intermixing of different lithologic units which are interstratified. In the case of soft iron ore, occasional bands of clay and blue dust affect significantly the variations observed for iron, silicon, and aluminum. In the future, it is recommended that the variograms produced reflect a single population.

Key words

autocorrelation kriging mineral exploration 

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Copyright information

© Plenum Publishing Corporation 1977

Authors and Affiliations

  • Indira Dutta
    • 1
  • S. V. L. N. Rao
    • 2
  1. 1.Geology and Geophysics DepartmentI.I.T.KharagpurIndia
  2. 2.Geology and Geophysics DepartmentI.I.T.KharagpurIndia

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