Two Methods of Calculation of Bulk Weight of Silvinite Ore Using its Chemical Content: Talitskiy Field, Verkhnekamskoye Deposit

V. I. Nabiullin

Abstract


Two methods of calculation of bulk weight of sylvinite ore using information about their chemical composition are discussed in this article. The first method is based on recalculation of the chemical to the mineral content of sylvinite ore and uses the formula of bulk weight calculation that incorporates theoretical density of the ore minerals. Disadvantages of this method are: 1) complexity of calculations of bulk weight, 2) significant excess of calculated values over those obtained by laboratory tests and following need of multiplication on reducing constant coefficient К, 3) coefficient К does not correct completely a systematic difference in experimental and calculated data. The second method, proposed by author, is based on use of multiple regression. The method allows working out a formula of bulk weight computation directly from chemical composition data without recalculations of chemical into mineral content. It is especially important that method does not require the correction between experimental and calculation data.

Keywords


bulk weight; sylvinite ore; chemical composition; experimental and calculated data; multiple regression

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DOI: http://dx.doi.org/10.17072/psu.geol.27.63

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