Zobrazeno 1 - 10
of 84
pro vyhledávání: '"ПИРИТ"'
Publikováno v:
Vestnik Permskogo Universiteta: Seriâ Geologiâ, Vol 22, Iss 1, Pp 51-79 (2023)
Приводятся данные по петрографическим и минералогическим исследованиям исходных золотосурьмяных руд Удерейского месторождения и про
Externí odkaz:
https://doaj.org/article/29fd37a1dc3743b1938e154ece7f60db
Autor:
D. A. Petrochenkov, A. V. Petrov
Publikováno v:
Известия высших учебных заведений: Геология и разведка, Vol 0, Iss 4, Pp 18-25 (2019)
For the first time, the mineral composition and structural features of jewelry ammonite from mine OJSC «Mikhailovcement» in Ryazan Region are studied in detail. Ammonites are associated with sediments of Callovian and Oxfordian stages. Ammonites ha
Externí odkaz:
https://doaj.org/article/41fa48d8d48249069c1a78cea70ea1cb
Publikováno v:
Vestnik Permskogo Universiteta: Seriâ Geologiâ, Vol 18, Iss 2, Pp 152-164 (2019)
Carbonate mineralization of ore-bearing rocks of the Safianovskoe massive copper sulphide deposit (Middle Urals) is presented by calcite, Fe-magnesite, dolomite and siderite. The types of carbonate mineralization and their spatial distribution in vic
Externí odkaz:
https://doaj.org/article/bcc2263695db43a3a0a228b5de7fe2f6
Publikováno v:
Литосфера, Vol 0, Iss 4, Pp 66-82 (2019)
Современная структура Гайского месторождения определяется надвигом, по которому рудовмещающая андезидацит-риодацит-дацитовая вулкан
Externí odkaz:
https://doaj.org/article/072be69c3cb54a428e6ee5d6b015b515
Publikováno v:
Литосфера, Vol 0, Iss 2, Pp 135-147 (2019)
Методами химической термодинамики исследованы закономерности подводного сульфидного рудоотложения в зависимости от температуры, дав
Externí odkaz:
https://doaj.org/article/ae12d7808d4a4f6da27e444b113b835b
Publikováno v:
Литосфера, Vol 0, Iss 6, Pp 112-119 (2019)
Глиноземистые породы с алунитом, каолинитом, серицитом, пирофиллитом встречаются в приконтактовой зоне сплошных медноколчеданных руд
Externí odkaz:
https://doaj.org/article/b64b65484d3647b79ac7ecd065514fa8
Publikováno v:
Vestnik Naučnogo Centra po Bezopasnosti Rabot v Ugolʹnoj Promyšlennosti, Iss 1-2018, Pp 54-58 (2018)
More than 70% of the assortment is occupied by emulsion industrial explosives. This type BB has both a wide range of advantages and disadvantages, for example, their limited use in sulphide ores.The aim of this work was to investigate the effect of t
Externí odkaz:
https://doaj.org/article/4e3898b5ee314d9198a84b8878fdec6d
Autor:
Sergei V. Michurin, Aisylu A. Sharipova, Мikhail Т. Krupenin, Dmitrii A. Zamyatin, Аlsu М. Musina, Vladimir А. Popov
Publikováno v:
Литосфера, Vol 18, Iss 1, Pp 61-81 (2018)
In the Avzyan ore-bearing region the sulfides from the low-sulfide gold-quartz deposits (Ulyuk-Bar, Kurgashly) are characterized by higher concentrations of As, Co, Ni, Cu, Pb in comparison with sulfides from sediments outside of ore-bearing zones. T
Externí odkaz:
https://doaj.org/article/e4891b1489024e7b81d71a8b1f020f0d
Autor:
D. A. Petrochenkov
Publikováno v:
Известия высших учебных заведений: Геология и разведка, Vol 0, Iss 2, Pp 22-27 (2017)
Detailed mineralogical examination of ammonites of jewelry quality has been carried out by means of radiographical, X-ray microanalyses and electronic microscopy. The ammonites consist mainly of calcite, apatite and some cells are constituted of phos
Externí odkaz:
https://doaj.org/article/d0bfbd30533147f4a5e62e6ff5b7f438
Autor:
A E Vorob’ev, Honore Tcharo
Publikováno v:
RUDN Journal of Engineering Research, Vol 0, Iss 1, Pp 78-84 (2016)
The results of a comparative analysis of the different properties of nanorelief gold sulfides are presented. The morphology and microtopography of auriferous pyrite and arsenopyrite are described. The mechanism of adsorption of gold on the surface of
Externí odkaz:
https://doaj.org/article/3f63d3b3d95f4d3f95d8f9c21be954da