International Journal of
Physical Sciences

  • Abbreviation: Int. J. Phys. Sci.
  • Language: English
  • ISSN: 1992-1950
  • DOI: 10.5897/IJPS
  • Start Year: 2006
  • Published Articles: 2577

Full Length Research Paper

Examination of cutoff grade parameters in magnesite mineral deposit

Suheyla Yerel1* and Adnan Konuk2
1Civil Engineering Department, Bilecik University, Bilecik, Turkey. 2Mining Engineering Department, Eskisehir Osmangazi University Eskisehir, Turkey.
Email: [email protected]

  •  Accepted: 25 May 2010
  •  Published: 30 June 2010

Abstract

One important critical value in mineral deposits is cutoff grade. The cutoff grade is defined as the value which discriminates between ore and waste with a given mineral deposit. In this study, the cutoff grade parameters such as SiO2 and CaO% are examined by statistical distribution model. This paper shows a procedure for using the bivariate lognormal statistical distribution model with two uncorrelated samples to describe the SiO2 and CaO % of Beylikova magnesite mineral deposit in Eskisehir, Turkey. After, it was determined that there are mean of SiO2 and mean of CaO% involves the cutoff SiO2 and cutoff CaO%, respectively. Finally, the bivariate lognormal distribution model with two uncorrelated samples is help to analysis in the cutoff grade parameters of mineral deposits.

 

Key words: Cutoff grade parameters, statistical distribution, magnesite, Turkey.

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This article is published under the terms of the Creative Commons Attribution License 4.0

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