Zobrazeno 1 - 10
of 150
pro vyhledávání: '"metasomatites"'
Publikováno v:
Известия Томского политехнического университета: Инжиниринг георесурсов, Vol 333, Iss 4, Pp 53-65 (2022)
The relevance of the study is caused by the need to expand the mineral resource base of operating gold mining enterprises in Eastern Yakutia and the Magadan region. The main aim: to study the material composition of the ores of the Sokhatiny gold ore
Externí odkaz:
https://doaj.org/article/4473fe7c3c52443f92933c39b779089a
Autor:
Eleonora Y. Seitmuratova, Vera S. Goryaeva, Farida F. Saidasheva, Yalkunzhan K. Arshamov, Refat T. Baratov, Diyas O. Dautbekov, Nurgali S. Shadiyev, Moldir A. Mashrapova, Ansagan Dauletuly, Tauassar K. Karimbekov
Publikováno v:
Minerals, Vol 13, Iss 6, p 813 (2023)
In this paper, we outline a study conducted on altered rocks in Central Kazakhstan, in particular, focusing on secondary quartzites. The study reveals a connection between copper-porphyry deposits in Central Kazakhstan and secondary quartzites. Recen
Externí odkaz:
https://doaj.org/article/5fa7d8af6c2647b58a2ab1ccfd6e0a5c
Publikováno v:
Minerals, Vol 13, Iss 4, p 543 (2023)
The ore mineralogy of a new promising target of the Aldan–Stanovoy gold province—the Spokoininsky cluster—is considered. Gold mineralization is represented by a volumetric, nonlinear type, unconventional for the region; it is related to element
Externí odkaz:
https://doaj.org/article/115b45ca35f046508b48ffbb2f823f6c
Autor:
Володькова Т.В.
Publikováno v:
Вестник Камчатской региональной ассоциации "Учебно-научный центр". Серия: Науки о Земле, Vol 48, Iss 4, Pp 85-100 (2020)
Based on the airborne geophysical data, the anomalies of the natural radioactive element (NRE) ratio values above a background level are determined for different types of metasomatites in Priamurye. Three characteristics of the anomalies of the NRE r
Externí odkaz:
https://doaj.org/article/61d9a6bebcb14513b5745646592f1169
Autor:
G. A. Kalashnyk
Publikováno v:
Мінеральні ресурси України, Iss 2, Pp 3-12 (2020)
The article presents the results of the assessment of the prospects for discovery of industrial concentrations of rare and rare-earth elements in the Tymoshivsko-Znamianskyi potential rare-metal ore area of Inhulskyi megablock of the Ukrainian Shield
Externí odkaz:
https://doaj.org/article/8119ebaa1bf8451cb449d5259d3cff92
Publikováno v:
Геохімія техногенезу, Vol 3, Iss 31, Pp 16-22 (2020)
The article presents the results of the study of the mineral composition of ore albitites and the chemical composition of feldspars of the Par-tyzan thorium-uranium deposit of the Partyzan ore field of the Central Ukrainian uranium ore area of the Ki
Externí odkaz:
https://doaj.org/article/5b7da59037f846d7a78682e7d284bf23
Publikováno v:
Український антарктичний журнал, Iss 2(19), Pp 3-12 (2020)
Objective. The objective of our research was to search for manifestations of ore mineralization on the Roca and Cruls islands in the Argentine Islands, West Antarctica. Methods. Samples of rocks with the manifestation of ore mineralization were taken
Externí odkaz:
https://doaj.org/article/297e22f0b32e4433b1da9dc157179066
Autor:
G. A. Kalashnyk
Publikováno v:
Мінеральні ресурси України, Iss 3, Pp 3-10 (2019)
The article presents the results of the assessment of the prospects for discovery of industrial concentrations of rare and rare-earth elements in the Alekseevsko-Lysogorskiy uranium-ore area of Ingulskiy megablock of the Ukrainian Shield. General pat
Externí odkaz:
https://doaj.org/article/10a28041426f4e1790bae81918b8195d
Publikováno v:
Vestnik MGTU, Vol 22, Iss 1, Pp 23-35 (2019)
Alkaline-carbonate metasomatites of fault zones are widely distributed within all Precambrian shields. Their studying has attracted the close attention of researchers in connection with the confinement of various concentrations of ore-forming element
Externí odkaz:
https://doaj.org/article/5b157fb5b4b84590aa0b6050a04e1f8a
Autor:
Zinaida Nikiforova
Publikováno v:
Minerals, Vol 12, Iss 6, p 694 (2022)
Generalization of the results of the study of placer gold and the mechanisms of its distribution in the east of the Siberian Platform made it possible for the first time to reveal that the ore sources of gold-bearing placers were mainly mineralizatio
Externí odkaz:
https://doaj.org/article/97f7fd69e35049899b8d2a15866a0710