Dependence of the systematic error of calculation of reserves by ore grades on the density of the exploration network
Abstract
When comparing the data of exploration and exploitation at the sites of Sarbaisky and Sokolovskoye mining pits, it was found that operational exploration on a network of 50x25 m does not clarify the data of detailed exploration, carried out on a network of 100x50 m. At the same time at the sites of both quarries at detailed and operational exploration slightly underestimated ore reserves and iron content in them.
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References
- Bastan P. P., Ivchenko A. N., Medovshchikova N. A. Opportunities of geologic forecasting in the conditions of Sarbaiskoye deposit. Proc. Sverdlovsk, Mining Institute, vol. 46, 1966.
- Lal S. S. About variability of geological and industrial parameters at the Sokolovskoye cagnetite deposit. - In the collection: New Research in Geology. PH LMI, 1969.
- Salimbaev A. S. et al. Comparison of exploration and production data on Sokolovskoye open pit. Proc. of the Academy of Sciences of Kaz. SSR, 1969, No. 1.
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