Results 1 to 10 of about 2,204,508 (267)
MINERAL FORMS OF TUNGSTEN AT THE POROKHOVSKOE AND YUGO-KONEVSKOE DEPOSITS (SOUTH URALS) [PDF]
Минералогия, 2023 The ore hand specimens and technological ore samples from the Porokhovskoe and Yugo-Konevskoe W greisen deposits in the South Urals are studied. The major W minerals of primary ores at both deposits include hübnerite and scheelite.
D.A. Rogov +5 more
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Ancient Mines of the South Urals
Vestnik of Saint Petersburg University. History, 2021 The article presents the intermediate results of a historical research, whose purpose is to determine the distribution of ancient mining operations (Chud mines) in the South Urals. Travel journals of the participants of academic expeditions of 1768–1774 — P. S. Pallas, I. I. Lepekhin, N. P. Rychkov and I. P.
Viacheslav M. Svistunov
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POLYAKOV LOG COARSE GARNET OCCURRENCE IN THE SOUTH URALS [PDF]
Минералогия, 2023 Ontogenic modeling of the origin of coarse garnet of the Polyakov log occurrence (South Urals) in a fine-grained schist sequence allowed the authors to conclude on its metasomatic growth with the replacement of chlorite aggregates.
V.A. Popov +2 more
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PRECIOUS METAL MINERALOGY OF THE MURTYKTY GOLD DEPOSIT, SOUTH URALS [PDF]
Минералогия, 2019 Ore mineralogy of the Murtykty gold deposit is presented in the paper and main attention is paid to the mode of occurrence of precious metals. Ores are pyrite-bearing quartz-chlorite (±sericite, ±carbonate of the dolomite-ankerite series) metasomatites ...
Yu.A. Paduchina +7 more
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ZEOLITES IN PEGMATITES AND LATE VEINLETS OF THE VISHNEVOGORSKY ALKALINE-CARBONATITE COMPLEX (SOUTH URALS) [PDF]
Минералогия, 2020 The paper summarizes the data on mineral assemblages, crystal morphology and chemical composition of zeolites (analcime, natrolite, gonnardite, paranatrolite, scolecite, mesolite, garroniteNa, phillipsite-K, harmotome, chabazite-Ca, heulandite-Ca ...
V.I. Popova +6 more
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Aeschynite Group Minerals from Vishnevye Mountains (South Urals)
МИНЕРАЛОГИЯ (MINERALOGY), 2019 The crystals morphology, mineral assemblages and chemical composition of aeschynite group minerals from the Vishnevye Mountains (South Urals, Russia) are presented. Some veins of syenitic pegmatites host aeschynite-(Ce) and «thoroaeschynite». The calcite-aegirine-feldspar pegmatites and quartz-arfvedsonite veins contain nioboaeschynite-(Ce) and ...
V.I. Popova +3 more
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Production of Pigments on the Basis of Titanium Tetrachloride [PDF]
MATEC Web of Conferences, 2021 The article describes the manufacture of titanium dioxide, or titania, on the basis of titanium tetrachloride. The main technological requirements for the production of titania are listed, the most prospective raw materials for the chlorination method ...
Vyboishchik Alexander, Popov Mikhail
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The Application of Plasma Processes during the Production of Pigments [PDF]
MATEC Web of Conferences, 2021 The article describes the application of plasma in the production of industrial pigments. Plasmatrons, or cooled electrodes, have found practical use in chemical, petrochemical, metallurgical, and other industries. Plasma-chemical methods with the use of
Vyboishchik Alexander, Popov Mikhail
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FEATURES OF MORPHOLOGY AND CHEMICAL COMPOSITION OF NATIVE GOLD FROM THE MURTYKTY DEPOSIT, SOUTH URALS [PDF]
Минералогия, 2021 The morphology and chemical composition of native gold from the Murtykty deposit (South Urals) are discussed in the paper. Native gold is subdivided into five types: 1) inclusions in sulfides, 2) grains in fractures and interstices of pyrite and other ...
N.S. Chukhareva +5 more
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MINERALOGY OF CHROMITITES OF MOUNT POKLONNAYA OF THE KARABASH MASSIF, SOUTH URALS [PDF]
Минералогия, 2022 Mineral composition of chromitites and host serpentinites from a quarry at Mt. Poklonnaya of the Karabash serpentinite massif is studied using optical and electron microscopy.
V.I. Popova +4 more
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