Gorniy vestnik Uzbekistana


The article presents the results of thermal analysis of samples of minerals – calcite (limestone), dolomite, magnesite and quartz, as well as their mixtures in the host rock of uranium ore. It has been established that thermal decomposition (dissociation) of calcite occurs in one stage at a temperature of 870°C, magnesite - in one stage at 6500° C, and dolomite - in two stages at 7300°C and at 9100°C. Thermal analysis of a sample of uranium ore showed that, as host rocks, it contains calcite, dolomite, and quartz.

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1. Petukhov O.F., Istomin V.P., Rudnev S.V., Khasanov A.S. Uranus. - Tashkent: “Turon Zamin - ziyo”. - 2015. - рp. 273-276. 2. Mamilov V.A., Petrov R.P., Vodolazov L.I. and others. Uranium mining by the method of underground leaching. - M .: Atomizdat. - 1980.– рp. 86-89. 3.Ivanova V.P., Kasatov B.K., Krasavina T.N., Rozinova E.L. Thermal analysis of minerals and rocks. -L., "Nedra", 1974. -399 p.



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