Technology of Blasting of Strong Valuable Ores with Ring Borehole Pattern

The ores of non-ferrous and precious metals, represented by hard rocks, has a peculiar feature, that is the effect of segregation, that is the tendency of ore minerals to break down into small size classes, which in the underground mining method accumulate in significant quantities on uneven surface...

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Bibliographic Details
Main Authors: I. V. Sokolov, A. A. Smirnov, A. A. Rozhkov
Format: Article
Language:English
Published: Saint-Petersburg Mining University 2019-06-01
Series:Записки Горного института
Online Access:https://pmi.spmi.ru/index.php/pmi/article/view/13197?setLocale=en_US