Conclusions
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1.
Artificial control of the magnetic properties of rocks (ferromagnetics) is efficient and can be used in industry after suitable development.
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2.
Cooling of rocks (ferrimagnetics) can be used in magnetic separation both to extract the useful product and for complete separation of ferrimagnetic minerals from the main product when iron is an undesirable impurity.
Literature Cited
V. V. Rzhevskii and G. Ya. Novik, Principles of Rock Physics [in Russian], Izd. MIRGÉM, Moscow (1964).
Low Temperature Physics [Russian translation, from English], Izd. Inostr. Lit., Moscow (1959).
S. V. Vonsovskii and Ya. S. Shur, Ferromagnetism [in Russian], Gostekhizdat, Moscow (1948).
Additional information
Moscow Mining Institute. Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, No. 1, pp. 130–131, January–February, 1969.
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Dobretsov, V.B., Nosov, V.V., Sukhanov, A.E. et al. A new method of increasing the efficiency of dry magnetic separation. Soviet Mining Science 5, 105–106 (1969). https://doi.org/10.1007/BF02501721
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DOI: https://doi.org/10.1007/BF02501721