E3S Web Conf.
Volume 192, 2020VIII International Scientific Conference “Problems of Complex Development of Georesources” (PCDG 2020)
|Number of page(s)||7|
|Section||Problems of Complex Processing of Mineral Raw Materials and New Technologies of Mineral Processing|
|Published online||30 September 2020|
Features of choosing the schemes for selective mining of ores and justifying their rational parameters while using heap leaching schemes for processing
Mining Institute FEB RAS, 51 Turgenev st., Khabarovsk, 680000, Russia;
2 Transbaikal State University, 672039, Russia, Chita, Aleksandro-Zavodskaya street 30;
3 Kyrgyz State University named after I. Razzakov, 720044, Kyrgyzstan, Bishkek, prospect Mira, 66
* Corresponding author: firstname.lastname@example.org
The article presents data from theoretical and experimental studies related to the search for a solution to an urgent geotechnological problem - selective mining of standard quality ore, substandard and diluted ores, taking into account the peculiarities of their processing by heap leaching. For complex-structural large-scale ore deposits of the stockwork morphological-structural type, multilevel heterogeneity is typical. The morphology and structure of the objects of direct extraction - ore bodies within the production blocks - vary significantly. The expediency of selective mining and separate heap leaching (or heap oxidation and leaching) of gold and copper from conditioned ores of various geological and technological types and grades is justified. In addition, it is advisable to selectively extract and separately process by heap leaching or flux in a controlled manner before it off-balance and diluted ores, as well as mineralized overburden and tailings of high-grade ores.
Key words: selective mining / cut-off grade ore / diluted ore / heap leaching parameters and modes / heap oxidation / activated solutions / staged heap leaching / fine gold / copper leaching / oxidative preparation
© The Authors, published by EDP Sciences, 2020
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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