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DEVELOPMENT OF DEPOSITS
ArticleName Technical and economic assessment of efficiency of block underground uranium leaching from the poor ores of Streltsovskoe ore field
ArticleAuthor Morozov A. A., Smagin A. P., Beznosov G. F., Yurtaev A. N.
ArticleAuthorData

“Priargunsky Industrial Mining and Chemical Union” JSC (Krasnokamensk, Russia):

Morozov A. A., Head of Central Research Laboratory, Candidate of Engineering Sciences, e-mail: MorozovAA@ppgho.ru


Leading Design and Survey and Scientific Research Institute of Manufacturing Technologies (Moscow, Russia):

Smagin A. P., Head of Mining Technologies Laboratory, Candidate of Engineering Sciences

Beznosov G. F., Head of Feasibility Reports Department, Candidate of Economic Sciences

Yurtaev A. N., Engineer of Mining Technologies Laboratory

Abstract

Rich ores have been being excavated in the course of more than 40-year-old exploitation of Streltsovskoe ore field deposits. Nowadays, the rest reserves of deposits include crude and poor ores. Physical and chemical geotechnology (method of block underground leaching) can be the prospective direction, making possible to carry out the efficient development of poor ores at the created situation. By the example of development of certain block of «Glubokiy» mine, there were carried out the calculations, which show, that during the block underground leaching, the cost price of obtaining of final products is by 30% lower in comparison with the traditional technology: horizontal layers with solid stowing with 70% of uranium extraction from the stored ore in underground leaching block.

keywords Streltsovskoe uranium deposit, development by horizontal layers with stowing, block underground leaching of uranium, poor and off-balance reserves, financial and economic model, conditions and criteria of profitable mastering
References

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