Zobrazeno 1 - 10
of 464
pro vyhledávání: '"placer deposits"'
Autor:
Evgenievich, Kislyakov Viktor1, Andreevich, Zubov Pavel2, Aleksandrovich, Tsimbalyuk Nikolay3
Publikováno v:
German International Journal of Modern Science / Deutsche Internationale Zeitschrift für Zeitgenössische Wissenschaft. May2023, Issue 56, p6-10. 5p.
Publikováno v:
Journal of Degraded and Mining Lands Management, Vol 12, Iss 1, Pp 6729-6735 (2024)
The global demand for gold was considered, as well as the ratio of placer gold to ore. It is revealed that there is an increase in the cost of gold mining. This is due to the fact that deposits with simple mining and geological conditions are current
Externí odkaz:
https://doaj.org/article/577d58e0482c40099945de1a82eef91b
Publikováno v:
Georesursy, Vol 23, Iss 3, Pp 143-148 (2024)
Chromium is a strategic metal, but more than a half of Russia’s needs are met by imports, so new deposits of chromites, including unconventional placer deposits, are of industrial and scientific interest. Previous studies and current works of the a
Externí odkaz:
https://doaj.org/article/c1de17e17ed244a6ae50f06a5ca64c2a
Autor:
Elmaleh, Emilie, Schmidt, Susanne Theodora1, Karampelas, Stefanos2, Link, Klemens3, Kiefert, Lore4, Süssenberger, Annette5, Paul, André6
Publikováno v:
Gems & Gemology. Spring2019, Vol. 55 Issue 1, p18-28. 11p.
Autor:
Mochalov, A. G.1 mag1950@mail.ru, Yakubovich, O. V.1 cubiko@mail.ru, Zolotarev, A. A.2 aazolotarev@gmail.com
Publikováno v:
Doklady Earth Sciences. May2018, Vol. 480 Issue 1, p591-594. 4p.
Publikováno v:
Doklady Earth Sciences. Feb2018, Vol. 478 Issue 2, p143-147. 5p.
Publikováno v:
Rudarsko-geološko-naftni Zbornik, Vol 38, Iss 2, Pp 99-107 (2023)
Massive tailings have resulted from the extensive use of placer deposits in Central Kalimantan, Indonesia, by artisanal and small-scale gold mining (ASGM) activities. Recently, the placer deposits and their tailings have been exploited for heavy mine
Externí odkaz:
https://doaj.org/article/aa871e8d4142400eb42847796519b3f7
Akademický článek
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Autor:
Derin, Mary Thomas1 (AUTHOR), Vijayagopal, Perumal2 (AUTHOR), Venkatraman, Balasubramaniam2 (AUTHOR), Chaubey, Ramesh Chandra3 (AUTHOR), Gopinathan, Anilkumar1 (AUTHOR) ganilkumar@vit.ac.in
Publikováno v:
PLoS ONE. Nov2012, Vol. 7 Issue 11, p1-8. 8p.
Publikováno v:
Journal of Hydraulic Engineering. Oct2011, Vol. 137 Issue 10, p1283-1286. 4p. 1 Chart, 5 Graphs.