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FROM THE OPERATIONAL EXPERIENCE OF THE MINING COMPANIES AND THE ORGANIZATIONS
OJSC «IRGIREDMET»
ArticleName Fine gold alluvial deposits: problems of estimation and extraction
ArticleAuthor Zamyatin O. V., Man'kov V. M.
ArticleAuthorData

Zamyatin O. V., Member of Science and Engineering Board, Candidate of Engineering Sciences; Man'kov V. M., Head of Laboratory, Candidate of Engineering Sciences, e-mail: L2@irgiredmet.ru, IRGIREDMET
Abstract
The estimates of fine gold (grain size smaller than 250 and 100 μm) content in sands of alluvial deposits and its losses with dump waste products of beneficiation on dredges and sluice boxes have been  adduced. The possibility of effective extraction of fine gold at the stage of geological prospecting works and during industrial development of deposits using new technologies and devices has been shown.
keywords Alluvial deposits, technogenous accumulations, wastes, size of gold grain, fine gold, resource estimation, content, losses, extraction, beneficiation technologies, jigging machine, concentrators.
References

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2. Sinyugina E. Ya., Volarovich G. P., Yablokova S. V. O svyazi allyuvialnykh rossypey s korennymi istochnikom : nauchn. tr. TsNIGRI (On the relationship between alluvial placers and ore bodies. Research papers of the Central Research Geological Prospecting Institute of Nonferrous and Noble Metals). Moscow, 1967. Issue 76.

3. Sher L. S. K voprosu o svyazi zolotonosnykh rossypey s korennymi istochnikami : nauchn. tr. TsNIGRI (On the question of relationship between gold placers with ore bodies. Research papers of the Central Research Geological Prospecting Institute of Nonferrous and Noble Metals). Moscow, 1968. Issue 79.

4. Petrovskaya N. V. Samorodnoe zoloto (Natural Gold). Moscow, 1973.

5. Nesterenko G. V. Proiskhozhdenie rossypnykh mestorozhdeniy (Origin of Placer Deposits). Novosibirsk, 1977.

6. Fedorov S. G., Napovalov V. S. Nekotorye osobennosti raspredeleniya metalla v allyuvialnykh rossypyakh (Specificity of the metal distribution in alluvial placers). Kolyma. 1977. No. 9.

7. Zamyatin O. V., Mankov V. M. Sovremennye tekhnologii obogashcheniya zolotosoderzhashchikh peskov rossypnykh mestorozhdeniy (Modern technologies of gold-bearing sands of placer deposits beneficiation). Gornyi zhurnal - Mining Journal. 2001. No. 5.

8. Zamyatin O. V., Mankov V. M., Tomin V. S. Sovershenstvovanie bazovykh tekhnologiy obogashcheniya zolotosoderzhashchikh peskov na dragakh i prompriborakh (Improving the basic technologies of gold-bearing sands beneficiation on dredges and sluice boxes). Gornyi zhurnal - Mining Journal. 1994. No. 11.

9. Zamyatin O. V., Mankov V. M., Tarasova T. B. and etc. Sovershenstvovaniya tekhnologii obogashcheniya peskov na krupnolitrazhnoy drage No. 134 ZAO «GDK Lenzoloto» s ispolzovaniem otsadochnoy mashiny «Trud-12» (Improving the technology of sands beneficiation on large displacement dredge No. 134 of CJSC “GDK Lenzoloto” using jolting machine “Trud-12”). Tsvetnye metally - Non-ferrous Metals. 2010. No. 9.
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