Zobrazeno 1 - 10
of 5 219
pro vyhledávání: '"placer"'
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 25, Iss 3, Pp 198-207 (2024)
The gold-placer deposit of Pokrovsky-Verny streams is formed on the southern slope of Belaya Gora (Khabarovsk Krai), where streams drain gold formations of the same-name deposit. The gold content in the waste dumps of past years often reaches commerc
Externí odkaz:
https://doaj.org/article/4bc680da6ccf487e934504fa00e2f53f
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:
E.D. Skilskaia, Sh.S. Kudaeva
Publikováno v:
Вестник Камчатской региональной ассоциации "Учебно-научный центр". Серия: Науки о Земле, Vol 60, Iss 4, Pp 35-47 (2023)
The paper presents the results of the study of typomorphic characteristics of placer gold of the tributaries of the Kengeveem River, Magadan region. Placer gold was studied by optical and scanning electron microscopy at the Institute of Volcanology a
Externí odkaz:
https://doaj.org/article/76bae5d30289430dab0fe4e0d0f7ecd2
Publikováno v:
Taxation in Australia. Feb2019, Vol. 53 Issue 7, p387-389. 3p.
Autor:
PRESTON, KEITH
Publikováno v:
Journal of Australasian Mining History. Oct2018, Vol. 16, p148-170. 23p.
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.